HD74LS259RPEL 데이터 시트보기 (PDF) - Renesas Electronics

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HD74LS259RPEL

8-bit Address Latch

Renesas Electronics 

HD74LS259

Testing Method

Test Circuit

4.5V

P.G.

Zout = 50Ω

Input

P.G.

Zout = 50Ω

Input

VCC Output

G

A

B

C

D

Clear

RL Load circuit 1

Q0

CL

Output

Q1

Same as Load Circuit 1.

Output

Q2

Same as Load Circuit 1.

Output

Q3

Same as Load Circuit 1.

Output

Q4

Same as Load Circuit 1.

Output

Q5

Same as Load Circuit 1.

Output

Q6

Same as Load Circuit 1.

Output

Q7

Same as Load Circuit 1.

Notes: 1. CL includes probe and jig capacitance.

2. All diodes are 1S2074(H).

Waveform

tTLH

tTHL

90%

90%

3V

Input

1.3 V

1.3 V

10%

10%

0V

tPLH

tPHL

In phase output

1.3 V

tPHL

1.3 V

tPLH

VOH

VOL

Out of phase output

1.3 V

VOH

1.3 V

VOL

Note: Input pulse; tTLH ≤ 15 ns, tTHL ≤ 6 ns, PRR = 1 MHz, duty cycle 50%

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

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