HD74ACT298 데이터 시트보기 (PDF) - Hitachi -> Renesas Electronics

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HD74ACT298

Quad 2-Input Multiplexer with Storage

Hitachi -> Renesas Electronics 

HD74AC298/HD74ACT298

Quad 2-Input Multiplexer with Storage

Description

This device is a high-speed multiplexer with storage. It selects four bits of data from two sources (Ports)

under the control of a common Select input (S). The selected data is transferred to the 4-bit output register

synchronous with the HIGH-to-LOW transition of the Clock input (CP). The 4-bit register is fully edge

triggered. The Data inputs (I0 and I1) and Select input (S) must be stable only one setup time prior to the

HIGH-to-LOW transition of the clock for predictable operation.

Features

• Outputs Source/Sink 24 mA

• HD74ACT298 has TTL-Compatible Inputs

Pin Arrangement

I1b 1

I1a 2

I0a 3

I0b 4

I1c 5

I1d 6

I0d 7

GND 8

(Top view)

16 VCC

15 Qa

14 Qb

13 Qc

12 Qd

11 CP

10 S

9 I0c

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