HD74LS139FPEL 데이터 시트보기 (PDF) - Renesas Electronics

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HD74LS139FPEL

Dual 2-line-to-4-line Decoders / Demultiplexers

Renesas Electronics 

HD74LS139

Testing Method

Test Circuit

4.5V

P.G.

Zout = 50Ω

Input

VCC Output

RL Load circuit 1

1Y0

CL

1G

Output

2G

1Y1

Same as Load Circuit 1.

1A

Output

1B

1Y2

Same as Load Circuit 1.

Output

2A

1Y3

Same as Load Circuit 1.

2B

Output

2Y0

Same as Load Circuit 1.

Output

2Y1

Same as Load Circuit 1.

Output

2Y2

Same as Load Circuit 1.

Output

2Y3

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 4 of 6

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