BU4913

Voltage Detector ICs Low Voltage Standard CMOS Voltage Detector ICs BU48□□G Series, BU48□□F Series, BU48□□FVE Series, BU49□□G Series, BU49□□F Series, BU49□□FVE Series No.11006EDT01 ●Description ROHM standard CMOS reset IC series is a high-accuracy low current consumption reset IC series. The lineup was established with two output types (Nch open drain and CMOS output) and detection voltage range from 0.9V to 4.8V in increments of 0.1V, so that the series may be selected according to the application at hand. ●Features 1) Detection voltage from 0.9V to 4.8V in 0.1V increments 2) Highly accurate detection voltage: ±1.0% 3) Ultra-low current consumption 4) Nch open drain output (BU48□□G/F/FVE)and CMOS output (BU49□□G/F/FVE) 5) Small surface package SSOP5: BU48□□G, BU49□□G SOP4: BU48□□F, BU49□□F VSOF5: BU48□□FVE, BU49□□FVE ●Applications All electronics devices that use microcontrollers and logic circuits. ●Selection Guide No. Specifications Output Circuit Format Detection Voltage Package Description 8:Open Drain Output, 9:CMOS Output Example VDET: Represented as 0.1V steps in the range from 0.9V to 4.8V (Displayed as 0.9 in the case of 0.9V) G:SSOP5(SMP5C2)/ F :SOP4/ FVE:VSOF5(EMP5) Part Number : BU4 1 2 3 ① ② ③ ●Lineup Making Detection voltage Part Number Making Detection voltage Part Number Making Detection voltage Part Number Making Detection voltage Part Number JR JQ JP JN JM JL JK JJ JH JG JF JE JD JO JB JA HZ HY HX HW 4.8V 4.7V 4.6V 4.5V 4.4V 4.3V 4.2V 4.1V 4.0V 3.9V 3.8V 3.7V 3.6V 3.5V 3.4V 3.3V 3.2V 3.1V 3.0V 2.9V BU4848 BU4847 BU4846 BU4845 BU4844 BU4843 BU4842 BU4841 BU4840 BU4839 BU4838 BU4837 BU4836 BU4835 BU4834 BU4833 BU4832 BU4831 BU4830 BU4829 HV HU HT HS HR HQ HP HN HM HL HK HJ HH HG HF HE HD HC HB HA 2.8V 2.7V 2.6V 2.5V 2.4V 2.3V 2.2V 2.1V 2.0V 1.9V 1.8V 1.7V 1.6V 1.5V 1.4V 1.3V 1.2V 1.1V 1.0V 0.9V BU4828 BU4827 BU4826 BU4825 BU4824 BU4823 BU4822 BU4821 BU4820 BU4819 BU4818 BU4817 BU4816 BU4815 BU4814 BU4813 BU4812 BU4811 BU4810 BU4809 LH LG LF LE LD LC LB LA KZ KY KX KW KV KU KT KS KR KQ KP KN 4.8V 4.7V 4.6V 4.5V 4.4V 4.3V 4.2V 4.1V 4.0V 3.9V 3.8V 3.7V 3.6V 3.5V 3.4V 3.3V 3.2V 3.1V 3.0V 2.9V BU4948 BU4947 BU4946 BU4945 BU4944 BU4943 BU4942 BU4941 BU4940 BU4939 BU4938 BU4937 BU4936 BU4935 BU4934 BU4933 BU4932 BU4931 BU4930 BU4929 KM KL KK KJ KH KG KF KE KD KC KB KA JZ JY JX JW JV JU JT JS 2.8V 2.7V 2.6V 2.5V 2.4V 2.3V 2.2V 2.1V 2.0V 1.9V 1.8V 1.7V 1.6V 1.5V 1.4V 1.3V 1.2V 1.1V 1.0V 0.9V BU4928 BU4927 BU4926 BU4925 BU4924 BU4923 BU4922 BU4921 BU4920 BU4919 BU4918 BU4917 BU4916 BU4915 BU4914 BU4913 BU4912 BU4911 BU4910 BU4909 www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved. 1/8 2011.03 - Rev.D BU48□□G Series, BU48□□F Series, BU48□□FVE Series, BU49□□G Series, BU49□□F Series, BU49□□FVE Series ●Absolute maximum ratings (Ta=25℃) Parameter Power Supply Voltage Nch Open Drain Output Output Voltage CMOS Output *1*4 SSOP5 Power *2*4 SOP4 Dissipation *3*4 VSOF5 Operating Temperature Ambient Storage Temperature *1 *2 *3 *4 Technical Note Symbol VDD-GND VOUT Pd Topr Tstg Limits -0.3 ~ +7 GND-0.3 ~ +7 GND-0.3 ~ VDD+0.3 540 400 210 -40 ~ +125 -55 ~ +125 Unit V V mW ℃ ℃ When used at temperatures higher than Ta=25℃, the power is reduced by 5.4mW per 1℃ above 25℃. When used at temperatures higher than Ta=25℃, the power is reduced by 4.0mW per 1℃ above 25℃. When used at temperatures higher than Ta=25℃, the power is reduced by 2.1mW per 1℃ above 25℃. When a ROHM standard circuit board (70mm×70mm×1.6mm, glass epoxy board)is mounted. ●Electrical characteristics Parameter Symbol Condition BU4848 BU4847 BU4846 BU4845 BU4844 BU4843 BU4842 BU4841 BU4840 BU4839 BU4838 BU4837 BU4836 BU4835 BU4834 BU4833 BU4832 BU4831 BU4830 BU4829 BU4828 BU4827 BU4826 BU4825 BU4824 BU4823 BU4822 BU4821 BU4820 BU4819 BU4818 BU4817 BU4816 BU4815 BU4814 BU4813 BU4812 BU4811 BU4810 BU4809 Min. 4.752 4.653 4.554 4.455 4.356 4.257 4.158 4.059 3.960 3.861 3.762 3.663 3.564 3.465 3.366 3.267 3.168 3.069 2.970 2.871 2.772 2.673 2.574 2.475 2.376 2.277 2.178 2.079 1.980 1.881 1.782 1.683 1.584 1.485 1.386 1.287 1.188 1.089 0.990 0.891 VDET≤1.0V VDET≥1.1V VDET ×0.03 VDET ×0.03 Limit Typ. 4.800 4.700 4.600 4.500 4.400 4.300 4.200 4.100 4.000 3.900 3.800 3.700 3.600 3.500 3.400 3.300 3.200 3.100 3.000 2.900 2.800 2.700 2.600 2.500 2.400 2.300 2.200 2.100 2.000 1.900 1.800 1.700 1.600 1.500 1.400 1.300 1.200 1.100 1.000 0.900 ±30 VDET ×0.05 VDET ×0.05 Max. 4.848 4.747 4.646 4.545 4.444 4.343 4.242 4.141 4.040 3.939 3.838 3.737 3.636 3.535 3.434 3.333 3.232 3.131 3.030 2.929 2.828 2.727 2.626 2.525 2.424 2.323 2.222 2.121 2.020 1.919 1.818 1.717 1.616 1.515 1.414 1.313 1.212 1.111 1.010 0.909 VDET ×0.08 VDET ×0.07 Unit Detection Voltage VDET VDD=HL , Ta=25℃ RL=470kΩ V Detection Voltage Temperature Coefficient Hysteresis Voltage *1 * VDET/∆T Ta=-40℃~125℃ VDD=LHL Ta=-40℃~125℃ RL=470kΩ *1 ppm/℃ ∆VDET V Designed Guarantee.(Outgoing inspection is not done on all products.) This product is not designed for protection against radioactive rays. www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved. 2/8 2011.03 - Rev.D BU48□□G Series, BU48□□F Series, BU48□□FVE Series, BU49□□G Series, BU49□□F Series, BU49□□FVE Series ●Electrical characteristics (Unless Otherwise Specified Ta=-25 to 125℃) Parameter Symbol Condition VDET =0.9-1.3V VDET =1.4-2.1V VDET =2.2-2.7V VDD=VDET-0.2V VDET =2.8-3.3V VDET =3.4-4.2V VDET =4.3-4.8V VDET =0.9-1.3V VDET =1.4-2.1V VDET =2.2-2.7V VDD=VDET+2.0V VDET =2.8-3.3V VDET =3.4-4.2V VDET =4.3-4.8V VOL≤0.4V, Ta=25~125℃, RL=470kΩ VOL≤0.4V, Ta=-40~25℃, RL=470kΩ VDS=0.05V VDD=0.85V VDS=0.5V VDD=1.5V VDET=1.7-4.8V VDS=0.5V VDD=2.4V VDET=2.7-4.8V VDS=0.5V VDD=4.8V VDET=0.9-3.9V VDS=0.5V VDD=6.0V VDET=4.0-4.8V VDD=VDS=7V Ta=-40℃~85℃ VDD=VDS=7V Ta=85℃~125℃ Min. 0.70 0.90 20 1.0 3.6 1.7 2.0 Limit Typ. 0.15 0.20 0.25 0.30 0.35 0.40 0.30 0.35 0.40 0.45 0.50 0.55 100 3.3 6.5 3.4 4.0 0 0 Technical Note Circuit Current when ON IDD1 Circuit Current when OFF IDD2 Operating Voltage Range VOPL ‘Low’ Output Current (Nch) ‘High’ Output Current (Pch) (only BU49□□G/F/FVE) Output Leak Current when OFF (only BU48□□G/F/FVE) IOL IOH Max. 0.88 1.05 1.23 1.40 1.58 1.75 1.40 1.58 1.75 1.93 2.10 2.28 0.1 Unit µA µA V µA mA mA Ileak µA 1 * This product is not designed for protection against radioactive rays. ●Block Diagrams BU48□□G/F/FVE VDD BU49□□G/F/FVE VDD VOUT VOUT Vref Vref GND GND Fig.1 TOP VIEW TOP VIEW Fig.2 TOP VIEW SSOP5 PIN No. 1 2 3 4 5 Symbol VOUT VDD GND N.C. N.C. Function Reset output Power supply voltage GND Unconnected terminal Unconnected terminal PIN No. 1 2 3 4 SOP4 Symbol VOUT VDD N.C. GND Function Reset output Power supply voltage Unconnected terminal GND PIN No. 1 2 3 4 5 VSOF5 Symbol VOUT SUB N.C. VDD GND Function Reset output Substrate* Unconnected terminal Power supply voltage GND *Connect the substrate to VDD www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved. 3/8 2011.03 - Rev.D BU48□□G Series, BU48□□F Series, BU48□□FVE Series, BU49□□G Series, BU49□□F Series, BU49□□FVE Series ●Reference Data (Unless specified otherwise, Ta=25℃) 0.6 ： IDD [μA] 0.5 0.4 0.3 0.2 0.1 0.0 0 1 2 3 4 5 6 7 VDD SUPPLY VOLTAGE ：VDD [V] 【BU4816F】 5 4 3 2 1 0 0.0 VDD =1.2V Technical Note "LOW" OUTPUT CURRENT ： IOL [mA] 25 ： 【BU4816F】 【BU4916F】 20 15 VDD =4.8V 10 5 0 0 1 2 3 4 5 6 VDD =6.0V 0.5 1.0 1.5 2.0 2.5 DRAIN-SOURCE VOLTAGE ： VDS[V] "HIGH" OUTPUT CURRENT I OH [mA] DETECTION VOLTAGE： VDET[V] CIRCUIT CURRENT DRAIN-SOURCE VOLTAGE ： VDS[V] Fig.3 Circuit Current Fig.4 “LOW” Output Current Fig.5 “High” Output Current 7 OUTPUT VOLTAGE： VOUT [V] OUTPUT VOLTAGE： VOUT [V] 6 5 4 3 2 1 0 0 1 2 3 4 5 6 7 【BU4816F】 1.0 【BU4816F】 0.8 0.6 0.4 0.2 0.0 0.0 2.0 Low to high(VDET+ ΔVDET) 1.5 High to low(VDET) 【BU4816F】 1.0 -40 0 40 80 120 0.5 1.0 1.5 2.0 2.5 VDD SUPPLY VOLTAGE ：VDD [V] VDD SUPPLY VOLTAGE ： VDD [V] TEMPERATURE ： Ta[℃] Fig.6 I/O Characteristics Fig.7 Operating Limit Voltage Fig.8 Detecting Voltage Release Voltage CIRCUIT CURRENT WHEN ON ： IDD1 [μA] CIRCUIT CURRENT WHEN OFF ： IDD2 [μA] 0.5 【BU4816F】 0.4 0.3 0.2 0.1 0.0 -40 1.0 【BU4816F】 0.8 0.6 0.4 0.2 0.0 -40 ： V OPL [V] 1.0 【BU4816F】 0.8 0.6 0.4 0.2 0.0 -40 0 40 80 120 0 40 80 120 MINIMUM OPERATING VOLTAGE 0 40 80 120 TEMPERATURE ： Ta[℃] TEMPERATURE ： Ta[℃] TEMPERATURE ： Ta[℃] Fig.9 Circuit Current when ON Fig.10 Circuit Current when OFF Fig.11 Operating Limit Voltage www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved. 4/8 2011.03 - Rev.D BU48□□G Series, BU48□□F Series, BU48□□FVE Series, BU49□□G Series, BU49□□F Series, BU49□□FVE Series ●Reference Data Examples of Output rising value(TPLH)and Output falling value(TPHL) Part Number TPLH[µs] TPHL[µs] BU4845G/F/FVE 23.3 275.9 BU4945G/F/FVE 3.5 354.3 VDD=4.3V5.1V VDD=5.1V4.3V * This data is for reference only. This figure will vary with the application, so please confirm actual operation conditions before use. Technical Note ●Explanation of Operation For both the open drain type(Fig.12)and the CMOS output type(Fig.13), the detection and release voltages are used as threshold voltages. When the voltage applied to the VDD pins reaches the applicable threshold voltage, the Vout terminal voltage switches from either “High” to “Low” or from “Low” to “High”. Because the BU48□□G/F/FVE series uses an open drain output type, it is possible to connect a pull-up resistor to VDD or another power supply [The output “High” voltage (VOUT) in this case becomes VDD or the voltage of the other power supply]. VDD VDD VDD R1 Vref RL RESET R2 Vref R1 Q2 R2 VOUT Q1 Q1 VOUT RESET R3 R3 GND GND Fig.12 (BU48□□ type internal block diagram) Fig.13 (BU49□□ type internal block diagram) ●Timing Waveforms Example:The following shows the relationship between the input voltage VDD, the CT Terminal Voltage VCT and the output voltage VOUT when the input power supply voltage VDD is made to sweep up and sweep down (The circuits are those in Fig.12 and 13). ①When the power supply is turned on, the output is unsettled from after over the operating limit voltage (VOPL) until TPHL. Therefore it is possible that the reset signal is not outputted VDD when the rise time of VDD is faster than TPHL. VDET+ΔVDET ⑤ ②When VDD is greater than VOPL but less than the reset release DET V voltage (VDET + VDET), output (VOUT) voltages will switch to L. VOPL ③If VDD exceeds the reset release voltage (VDET + VDET), then 0V VOUT switches from L to H (with a delay of TPLH). ④ If VDD drops below the detection voltage (VDET) when the VOUT power supply is powered down or when there is a power VOH supply fluctuation, VOUT switches to L (with a delay of TPHL). TPLH TPHL TPLH ⑤The potential deference between the detection voltage and the TPHL release voltage is known as the hysteresis width (VDET). The VOL system is designed such that the output does not flip-flop with power supply fluctuations within this hysteresis width, ① ③ ④ ② preventing malfunctions due to noise. Fig.14 www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved. 5/8 2011.03 - Rev.D BU48□□G Series, BU48□□F Series, BU48□□FVE Series, BU49□□G Series, BU49□□F Series, BU49□□FVE Series ●Circuit Applications 1) Examples of a common power supply detection reset circuit VDD1 RL Microcontroller Technical Note VDD2 Application examples of BU48□□G/F/FVE series (Open Drain output type) and BU49□□G/F/FVE series (CMOS output type) are shown below. BU48 □□□ CIN CL ( Capac it or for noise filtering) RST Fig.15 Open collector Output type V DD1 CASE1:The power supply of the microcontroller (VDD2) differs from the power supply of the reset detection (VDD1). Use the Open Drain Output Type (BU48□□G/FVE) attached a load resistance (RL) between the output and VDD2. (As shown Fig.15) G ND CASE2:The power supply of the microcontroller (VDD1) is same as the power supply of the reset detection (VDD1). Use CMOS output type (BU43□□G/FVE) or Open Drain Output Type (BU48□□G/FVE) attached a load resistance (RL) between the output and VDD1. Microcontroller (As shown Fig.16) RST BU49□□□ C IN CL ( Capacitor for nois e filtering) GN D When a capacitance CL for noise filtering or setting the output delay time is connected to the Vout pin (the reset signal input terminal of the microcontroller), please take into account the waveform of the rise and fall of the output voltage (Vout). Fig.16 CMOS Output type 2) Examples of the power supply with resistor dividers In applications where the power supply input terminal (VDD) of an IC with resistor dividers, it is possible that a through-current will momentarily flow into the circuit when the output logic switches, resulting in malfunctions (such as output oscillatory state).(Through-current is a current that momentarily flows from the power supply (VDD) to ground (GND) when the output level switches from “High” to “Low” or vice versa.) Consider the use of BD48□□ when the power supply input it with resistor dividers. V1 R2 I1 VDD R1 CIN BU48□□ BU49□□ CL GND VOUT Fig.17 www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved. 6/8 2011.03 - Rev.D BU48□□G Series, BU48□□F Series, BU48□□FVE Series, BU49□□G Series, BU49□□F Series, BU49□□FVE Series Technical Note ●Notes for use 1. Absolute maximum range Absolute Maximum Ratings are those values beyond which the life of a device may be destroyed. We cannot be defined the failure mode, such as short mode or open mode. Therefore a physical security countermeasure, like fuse, is to be given when a specific mode to be beyond absolute maximum ratings is considered. 2. GND potential GND terminal should be a lowest voltage potential every state. Please make sure all pins that are over ground even if include transient feature. Electrical Characteristics Be sure to check the electrical characteristics that are one the tentative specification will be changed by temperature, supply voltage, and external circuit. Bypass Capacitor for Noise Rejection Please put into the to reject noise between VDD pin and GND with 1uF over and between VOUT pin and GND with 1000pF. If extremely big capacitor is used, transient response might be late. Please confirm sufficiently for the point. Short Circuit between Terminal and Soldering Don’t short-circuit between Output pin and VDD pin, Output pin and GND pin, or VDD pin and GND pin. When soldering the IC on circuit board please is unusually cautious about the orientation and the position of the IC. When the orientation is mistaken the IC may be destroyed. Electromagnetic Field Mal-function may happen when the device is used in the strong electromagnetic field. The Vdd line inpedance might cause oscillation because of the detection current. A Vdd -GND capacitor (as close connection as possible) should be used in high Vdd line impedance condition. Lower than the mininum input voltage makes the Vout high impedance, and it must be Vdd in pull up (Vdd) condition. Recommended value of RL Resistar is over 10kΩ (VDET=1.5V~4.8V), over 100kΩ (VDET=0.9~1.4V). This IC has extremely high impedance terminals. Small leak current due to the uncleanness of PCB surface might cause unexpected operations. Application values in these conditions should be selected carefully. If 10MΩ leakage is assumed between the CT terminal and the GND terminal, 1MΩ connection between the CT terminal and the Vdd terminal would be recommended. Also, if the leakage is assumed between the Vout terminal and the GND terminal, the pull up resistor should be less than 1/10 of the assumed leak resistance. External parameters For Rl, the recommended range is 10kΩ~1MΩ. There are many factors (board layout, etc) that can affect characteristics. Please verify and confirm using practical applications. Power on reset operation Please note that the power on reset output varies with the Vcc rise up time. Please verify the actual operation. Precautions for board inspection Connecting low-impedance capacitors to run inspections with the board may produce stress on the IC. Therefore, be certain to use proper discharge procedure before each process of the test operation.To prevent electrostatic accumulation and discharge in the assembly process, thoroughly ground yourself and any equipment that could sustain ESD damage, and continue observing ESD-prevention procedures in all handing, transfer and storage operations. Before attempting to connect components to the test setup, make certain that the power supply is OFF. Likewise, be sure the power supply is OFF before removing any component connected to the test setup. When the power supply, is turned on because of incertain cases, momentary Rash-current flow into the IC at the logic unsettled, the couple capacitance, GND pattern of width and leading line must be considered. 3 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved. 7/8 2011.03 - Rev.D BU48□□G Series, BU48□□F Series, BU48□□FVE Series, BU49□□G Series, BU49□□F Series, BU49□□FVE Series ●Ordering part number Technical Note B U 4 8 0 9 F － T R BU48: Standard CMOS reset IC Open drain type BU49: Standard CMOS reset IC CMOS Output type Detection voltage 09 : 0.9V (0.1V step) 48 : 4.8V Package G: SSOP5 F: SOP4 FVE: VSOF5 Packaging and forming specification TR: Embossed tape and reel SSOP5 2.9±0.2 5 4 +6° 4° −4° Tape Quantity Direction of feed Embossed carrier tape 3000pcs TR The direction is the 1pin of product is at the upper right when you hold +0.2 1.6 −0.1 2.8±0.2 1 2 3 0.2Min. ( reel on the left hand and you pull out the tape on the right hand 1pin ) +0.05 0.13 −0.03 1.25Max. 1.1±0.05 0.05±0.05 +0.05 0.42 −0.04 0.95 0.1 Direction of feed (Unit : mm) Reel ∗ Order quantity needs to be multiple of the minimum quantity. SOP4 +0.2 1.25 –0.1 2.0±0.2 1.3 4 3 +6° 4° –4° Tape Quantity 0.27±0.15 Embossed carrier tape 3000pcs TR The direction is the 1pin of product is at the upper right when you hold 2.1±0.2 Direction of feed ( reel on the left hand and you pull out the tape on the right hand 1pin ) 0.9±0.05 1 2 0.05 +0.05 0.13 –0.03 S 1.05Max. 0.05±0.05 +0.05 0.42 –0.04 0.1 +0.05 0.32 –0.04 S Direction of feed (Unit : mm) Reel ∗ Order quantity needs to be multiple of the minimum quantity. VSOF5 0.2MAX 1.6 ± 0.05 1.0 ± 0.05 5 4 Tape Quantity Direction of feed Embossed carrier tape 3000pcs TR The direction is the 1pin of product is at the upper right when you hold (MAX 1.28 include BURR) 1.6 ± 0.05 1.2 ± 0.05 ( reel on the left hand and you pull out the tape on the right hand 1pin ) 1 2 3 0.13 ± 0.05 0.6MAX 0.5 0.22 ± 0.05 Direction of feed (Unit : mm) Reel ∗ Order quantity needs to be multiple of the minimum quantity. www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved. 8/8 2011.03 - Rev.D Notice Notes No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose of introducing ROHM's products (hereinafter "Products"). If you wish to use any such Product, please be sure to refer to the specifications, which can be obtained from ROHM upon request. Examples of application circuits, circuit constants and any other information contained herein illustrate the standard usage and operations of the Products. The peripheral conditions must be taken into account when designing circuits for mass production. Great care was taken in ensuring the accuracy of the information specified in this document. However, should you incur any damage arising from any inaccuracy or misprint of such information, ROHM shall bear no responsibility for such damage. The technical information specified herein is intended only to show the typical functions of and examples of application circuits for the Products. ROHM does not grant you, explicitly or implicitly, any license to use or exercise intellectual property or other rights held by ROHM and other parties. ROHM shall bear no responsibility whatsoever for any dispute arising from the use of such technical information. The Products specified in this document are intended to be used with general-use electronic equipment or devices (such as audio visual equipment, office-automation equipment, communication devices, electronic appliances and amusement devices). The Products specified in this document are not designed to be radiation tolerant. While ROHM always makes efforts to enhance the quality and reliability of its Products, a Product may fail or malfunction for a variety of reasons. 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If a Product is intended to be used for any such special purpose, please contact a ROHM sales representative before purchasing. If you intend to export or ship overseas any Product or technology specified herein that may be controlled under the Foreign Exchange and the Foreign Trade Law, you will be required to obtain a license or permit under the Law. Thank you for your accessing to ROHM product informations. More detail product informations and catalogs are available, please contact us. ROHM Customer Support System http://www.rohm.com/contact/ www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved. R1120A