HD74LS194A Datasheet, PDF(4/8 Page) Hitachi Semiconductor – 4-bit Bidirectional Universal Shift Registers

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HD74LS194A Datasheet, PDF (4/8 Pages) Hitachi Semiconductor – 4-bit Bidirectional Universal Shift Registers

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HD74LS194A

Count Sequences

Clock

Mode

Control

Inputs

Clear

Serial

Inputs

Parallel B

Inputs

Outputs

Clear Load

Shift Right

Shift Left

Inhibit

Clear

Testing Method

Test Circuit

4.5V

P.G.

Zout = 50â¦

Input

VCC Output

CLR

Load circuit 1

Output

Same as Load Circuit 1.

Output

Same as Load Circuit 1.

Output

Same as Load Circuit 1.

Notes: 1. CL includes probe and jig capacitance.

2. All diodes are 1S2074(H).

Rev.3.00, Jul.15.2005, page 4 of 7

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