HD74LS259 datasheet(5/8 Pages) RENESAS

Part #	HD74LS259

Description	8-bit Address Latch

PDF	8 Pages

Scroll/Zoom	100%

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

Load circuit 1

Output

VCC

Input

P.G.

Zout = 50

Ω

Input

P.G.

Zout = 50

Ω

Clear

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:

CL includes probe and jig capacitance.

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%

HD74LS259 Datasheet(PDF) 5 Page - Renesas Technology Corp

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