HD74LS259RPEL datasheet(5/8 Pages) RENESAS

Part #	HD74LS259RPEL

Description	8-bit Address Latch

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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5 / 8 page

HD74LS259

Rev.2.00, Feb.18.2005, page 5 of 7

Testing Method

Test Circuit

4.5V

Q0

Load circuit 1

Output

VCC

RL

CL

Input

P.G.

Zout = 50

Ω

Input

P.G.

Zout = 50

Ω

A

B

C

D

G

Clear

Q2

Q3

Q4

Q5

Q6

Q7

Q1

Same as Load Circuit 1.

Output

Same as Load Circuit 1.

Output

Same as Load Circuit 1.

Output

Same as Load Circuit 1.

Output

Same as Load Circuit 1.

Output

Same as Load Circuit 1.

Output

Same as Load Circuit 1.

Output

Notes:

1.

CL includes probe and jig capacitance.

2.

All diodes are 1S2074(H).

Waveform

tPLH

tPHL

VOH

VOL

0 V

3 V

VOH

VOL

tPHL

tPLH

10%

90%

1.3 V

10%

90%

Input

In phase output

Out of phase output

tTLH

tTHL

Note:

Input pulse; tTLH

≤ 15 ns, t

THL

≤ 6 ns, PRR = 1 MHz, duty cycle 50%

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HD74LS259RPEL Datasheet(PDF) 5 Page - Renesas Technology Corp

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