HD74HC294 Просмотр технического описания (PDF) - Renesas Electronics

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HD74HC294

Programmable Frequency Divider/Digital Timer

Renesas Electronics 

HD74HC292 / HD74HC294

Test Circuit

• HD74HC292

VCC

Input

Pulse Generator

Zout = 50 Ω

Input

Pulse Generator

Zout = 50 Ω

VCC

A

B

TP1

C

D

E

TP3

CK1

CK2

CLR

Q

Output

Output

CL = 50 pF

Output

CL = 50 pF

CL = 50 pF

Note : 1. CL includes probe and jig capacitance.

• HD74HC294

VCC

Input

Pulse Generator

Zout = 50 Ω

Input

Pulse Generator

Zout = 50 Ω

VCC

A

B

TP

C

D

CK1

CK2

Q

CLR

Output

Output

CL = 50 pF

CL = 50 pF

Note : 1. CL includes probe and jig capacitance.

Rev.2.00 Jan 31, 2006 page 7 of 9

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