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74ACT11181 - ARITHMETIC LOGIC UNIT/FUNCTION GENERATOR

Description

The 74ACT11181 is an arithmetic logic unit (ALU)/function generator that has a complexity of 75 equivalent gates on a monolithic chip.

These circuits perform 16 binary arithmetic operations on two 4-bit words as shown in Tables 1 and 2.

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Full PDF Text Transcription

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74ACT11181 ARITHMETIC LOGIC UNIT/FUNCTION GENERATOR • Inputs Are TTL-Voltage Compatible • New Flow-Through Architecture Optimizes PCB Layout • Center-Pin VCC and GND Configurations Minimize High-Speed Switching Noise t• EPIC (Enhanced-Performance Implanted CMOS) 1-mm Process • 500-mA Typical Latch-Up Immunity at 125°C • Full Look Ahead for High-Speed Operations on Long Words • Arithmetic Operating Modes: Addition Subtraction Shift Operand A One Position Magnitude Comparison Plus Twelve Other Arithmetic Operations • Logic Function Modes: Exclusive-OR Comparator AND, NAND, OR, NOR SCAS086 – D3200, OCTOBER 1989 – REVISED APRIL 1993 DW PACKAGE (TOP VIEW) Cn M A=B F0 F1 GND GND GND GND F2 F3 P G Cn + 4 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 A0 27 A1 26 A2 25 A3 24 B0 23 B1 22 VCC 21 VCC 20 B2
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