HD74HC182 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HD74HC182

Look-Ahead Carry Generator

Hitachi -> Renesas Electronics 

HD74HC182

Features

• High Speed Operation: tpd (Pn to P) = 11 ns typ (CL = 50 pF)

• High Output Current: Fanout of 10 LSTTL Loads

• Wide Operating Voltage: VCC = 2 to 6 V

• Low Input Current: 1 µA max

• Low Quiescent Supply Current: ICC (static) = 4 µA max (Ta = 25°C)

Pin Designations

Item

G0, G1, G2, G3

P0, P1, P2, P3

Cn

Cn+x, Cn+y, Cn+z

G

P

VCC

GND

Pin No.

3, 1, 14, 5

4, 2, 15, 6

13

12, 11, 9

10

7

16

8

Functions

Active-low carry generate inputs

Active-low carry propagate inputs

Carry input

Carry outputs

Active-low carry propagate output

Active-low carry propagate output

Supply voltage

Ground

2

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