M74HC182

M 54HC182 M74HC182 FUNCTION LOOK AHEAD CARRY GENERATOR . . . . . . . . HIGH SPEED tPD = 14 ns (TYP.) at VCC = 5 V LOW POWER DISSIPATION ICC = 4 µA (MAX.) at TA = 25 °C HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.) OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS SYMMETRICAL OUTPUT IMPEDANCE IOH = IOL = 4 mA (MIN.) BALANCED PROPAGATION DELAYS tPLH = tPHL WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V to 6 V PIN AND FUNCTION COMPATIBLE WITH 54/74LS182 B1R (Plastic Package) F1R (Ceramic Package) M1R (Micro Package) C1R (Chip Carrier) DESCRIPTION The M54/74HC182 is a high speed CMOS FUNCTION LOOK AHEAD CARRY GENERATOR 2 fabricated in silicon gate C MOS technology. It has the same high speed performance of LSTTL combined with true CMOS low power consumption. These circuit are capable of anticipating a carry across four binary adders or group of adders. They are cascadable to perform full look-ahead across nbit adders. Carry, generate-carry, and propagate-carry functions are provided as shown in the pin connection table. When used in conjunction with the HC181 arithmetic logic unit, these generators provide high-speed carry look-ahead capability for any word length. Each HC182 generates the look-ahead (anticipated carry) across a group of four ALU’s and, in addition, other carry lookahead circuits may be employed to anticipate carry across sections of four look-ahead packages up to n-bits. The method of cascading circuits to perform multi-level look-ahead is illustrated under typical application data. Carry input and output of the ALUs are in their true form, and the carry propagate (P) and carry generate (G) are in negated form ; therefore, the carry functions (inputs, outputs, generate, and propagate) of the look-ahead generators are implemented in the compatible forms for direct connection to the ALU. Reinterpretation of carry functions as explained on the HC181 data sheet are also applicable to and compatible with the look-ahead generator. All inputs are equipped with protection circuits against static discharge and transient excess voltage. ORDER CODES : M54HC182F1R M74HC182M1R M74HC182B1R M74HC182C1R PIN CONNECTIONS (top view) NC = No Internal Connection March 1993 1/12 M54/M74HC182 F UNCTION TABLES FOR G OUTPUT G3 L X X X G2 X L X X G1 X X L X INPUTS G0 X X X L P3 X L L L P2 X X L L P1 X X X L OUTPUT G L L L L H ALL OTHER COMBINATIONS FOR P OUTPUT INPUTS P3 L P2 L P1 L P0 L OUTPUT P L H ALL OTHER COMBINATIONS FOR Cn+x OUTPUT INPUTS G0 L X P0 X L ALL OTHER COMBINATIONS Cn X H OUTPUT Cn+x H H L FOR Cn+y OUTPUT INPUTS G1 L X X G0 X L X P1 X L L ALL OTHER COMBINATIONS P0 X X L Cn X X H OUTPUT Cn+y H H H L FOR Cn+z OUTPUT INPUTS G2 L X X X Cn+x Cn+y Cn+z G P or Cn+x Cn+y Cn+z G P OUTPUT P1 X X L P0 X X X L Cn X X X H Cn+z H H H H L G1 X L X X G0 X X L P2 X L L X L L ALL OTHER COMBINATIONS = G0 + P0Cn = G1 + P1G0 + P1P0Cn = G2 + P2G1 + P2P1G0 + P2P1P0Cn = G3 + G3 + P3G2 + P3P2G1 + P3P2P1G0 = P3P2P1P0 = Y0 + (X0 + Cn) = Y1 + [X1 + Y0(X0 + Cn)] = Y2 + {X2 + Y1[X1 + Y0(X0 +Cn)]} = Y3 + (X3 + Y2)(X3 + X2 + Y1)(X3 + X2 + X1 + Y0) = X3 + X2 + X1 + X0 2/12 M54/M74HC182 LOGIC DIAGRAM 3/12 M54/M74HC182 I NPUT AND OUTPUT EQUIVALENT CIRCUIT PIN DESCRIPTION PIN No 3, 1, 14, 5 4, 2, 15, 6 7 9 10 11 12 13 8 16 SYMBOL G0 to G3 P0 to P3 P Cn+z G Cn+y Cn+x Cn GND VCC NAME AND FUNCTION Carry Generate Inputs (Active LOW) Carry Propagate Inputs (Active LOW) Carry Propagate Output (Active LOW) Function Output Carry Generate Output (Active LOW) Function Output Function Output Ground (0V) Positive Supply Voltage IEC LOGIC SYMBOLS ABSOLUTE MAXIMUM RATINGS Symbol VCC VI VO IIK IOK ICC IO or IGND PD Tstg TL Supply Voltage DC Input Voltage DC Output Voltage DC Input Diode Current DC Output Diode Current DC Output Source Sink Current Per Output Pin DC VCC or Ground Current Power Dissipation Storage Temperature Lead Temperature (10 sec) Parameter Value -0.5 to +7 -0.5 to VCC + 0.5 -0.5 to VCC + 0.5 ± 20 ± 20 ± 25 ± 50 500 (*) -65 to +150 300 Unit V V V mA mA mA mA mW o o C C Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition isnotimplied. (*) 500 mW: ≅ 65 oC derate to 300 mW by 10mW/oC: 65 oC to 85 oC 4/12 M54/M74HC182 RECOMMENDED OPERATING CONDITIONS Symbol VCC VI VO Top tr, tf Supply Voltage Input Voltage Output Voltage Operating Temperature: M54HC Series M74HC Series Input Rise and Fall Time Parameter Value 2 to 6 0 to VCC 0 to VCC -55 to +125 -40 to +85 0 to 1000 0 to 500 0 to 400 Unit V V V C C ns o o VCC = 2 V VCC = 4.5 V VCC = 6 V D C SPECIFICATIONS Test Conditions Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 4.5 6.0 VOL Low Level Output Voltage 2.0 4.5 6.0 4.5 6.0 II IOZ ICC Input Leakage Current 3 State Output Off State Current Quiescent Supply Current 6.0 6.0 6.0 1.9 4.4 5.9 4.18 5.68 2.0 4.5 6.0 4.31 5.8 0.0 0.0 0.0 0.17 0.18 0.1 0.1 0.1 0.26 0.26 ±0.1 ±0.5 4 TA = 25 oC 54HC and 74HC Min. 1.5 3.15 4.2 0.5 1.35 1.8 VI = IO=-20 µA VIH or V IL IO=-6.0 mA IO=-7.8 mA VI = IO= 20 µA VIH or V IL IO= 6.0 mA IO= 7.8 mA VI = VCC or GND VI = VIH or VIL VO = VCC or GND VI = VCC or GND 1.9 4.4 5.9 4.13 5.63 0.1 0.1 0.1 0.37 0.37 ±1 ±5.0 40 Typ. Max. Value -40 to 85 oC -55 to 125 oC 74HC 54HC Min. 1.5 3.15 4.2 0.5 1.35 1.8 1.9 4.4 5.9 4.10 5.60 0.1 0.1 0.1 0.40 0.40 ±1 ±10 80 µA µA µA V V Max. Min. 1.5 3.15 4.2 0.5 1.35 1.8 V Max. V Unit VIH High Level Input Voltage Low Level Input Voltage High Level Output Voltage V IL V OH 5/12 M54/M74HC182 A C ELECTRICAL CHARACTERISTICS (C L = 50 pF, Input t r = tf = 6 ns) Test Conditions Symbol Parameter VCC (V) 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 2.0 4.5 6.0 TA = 25 C 54HC and 74HC Min. Typ. Max. 30 8 7 62 17 13 72 19 14 62 17 13 62 17 13 5 61 75 15 13 135 27 23 150 30 26 135 27 23 135 27 23 10 o Value -40 to 85 oC -55 to 125 oC 74HC 54HC Min. Max. Min. Max. 95 19 16 170 34 29 190 38 32 170 34 29 170 34 29 10 110 22 19 205 41 35 225 45 38 205 41 35 205 41 35 10 ns pF pF ns ns ns ns Unit tTLH tTHL tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPHL CIN CPD (*) Output Transition Time Propagation Delay Time (Gn, Pn - Cn+xyz) Propagation Delay Time (Gn, Pn - G) Propagation Delay Time (Pn - P) Propagation Delay Time (Cn - Cn+xyz) Input Capacitance Power Dissipation Capacitance (*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load. (Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD • VCC • fIN + ICC/2 (per FLIP/FLOP) 6/12 M54/M74HC182 SWITCHING CHARACTERISTICS TEST WAVEFORM TEST CIRCUIT ICC (Opr.) INPUT WAVEFORM IS THE SAME AS THAT IN CASE OF SWITCHING CHARACTERISTICS TEST. TYPICAL APPLICATION 64-BIT ALU, FULL-CARRY LOOK-AHEAD IN THREE LEVELS. 7/12 M54/M74HC182 Plastic DIP16 (0.25) MECHANICAL DATA mm MIN. a1 B b b1 D E e e3 F I L Z 3.3 1.27 8.5 2.54 17.78 7.1 5.1 0.130 0.050 0.51 0.77 0.5 0.25 20 0.335 0.100 0.700 0.280 0.201 1.65 TYP. MAX. MIN. 0.020 0.030 0.020 0.010 0.787 0.065 inch TYP. MAX. DIM. P001C 8/12 M54/M74HC182 Ceramic DIP16/1 MECHANICAL DATA mm MIN. A B D E e3 F G H L M N P Q 7.8 2.29 0.4 1.17 0.22 0.51 0.38 17.78 2.79 0.55 1.52 0.31 1.27 10.3 8.05 5.08 0.307 0.090 0.016 0.046 0.009 0.020 3.3 0.015 0.700 0.110 0.022 0.060 0.012 0.050 0.406 0.317 0.200 TYP. MAX. 20 7 0.130 MIN. inch TYP. MAX. 0.787 0.276 DIM. P053D 9/12 M54/M74HC182 SO16 (Narrow) MECHANICAL DATA DIM. MIN. A a1 a2 b b1 C c1 D E e e3 F G L M S 3.8 4.6 0.5 9.8 5.8 1.27 8.89 4.0 5.3 1.27 0.62 8° (max.) 0.149 0.181 0.019 10 6.2 0.35 0.19 0.5 45° (typ.) 0.385 0.228 0.050 0.350 0.157 0.208 0.050 0.024 0.393 0.244 0.1 mm TYP. MAX. 1.75 0.2 1.65 0.46 0.25 0.013 0.007 0.019 0.004 MIN. inch TYP. MAX. 0.068 0.007 0.064 0.018 0.010 P013H 10/12 M54/M74HC182 PLCC20 MECHANICAL DATA mm MIN. A B D d1 d2 E e e3 F G M M1 1.27 1.14 7.37 1.27 5.08 0.38 0.101 0.050 0.045 9.78 8.89 4.2 2.54 0.56 8.38 0.290 0.050 0.200 0.015 0.004 TYP. MAX. 10.03 9.04 4.57 MIN. 0.385 0.350 0.165 0.100 0.022 0.330 inch TYP. MAX. 0.395 0.356 0.180 DIM. P027A 11/12 M54/M74HC182 Information furnished is believed to be accurate and reliable. However, SGS-THOMSON Microelectronics assumes no responsability for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may results from its use. No license is granted by implication or otherwise under any patent or patent rights of SGS-THOMSON Microelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. SGS-THOMSON Microelectronics products are not authorized for use ascritical components in life support devices or systems without express written approval of SGS-THOMSON Microelectonics. © 1994 SGS-THOMSON Microelectronics - All Rights Reserved SGS-THOMSON Microelectronics GROUP OF COMPANIES Australia - Brazil - France - Germany - Hong Kong - Italy - Japan - Korea - Malaysia - Malta - Morocco - The Netherlands Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A 12/12