HD74LS42RPEL 查看數據表（PDF） - Renesas Electronics

零件编号

产品描述 (功能)

生产厂家

HD74LS42RPEL

BCD-to-Decimal Decoder

Renesas Electronics 

HD74LS42

Testing Method

Test Circuit

VCC

4.5V

P.G.

Zout = 50Ω

Input

0

1

A

2

3

B

4

C

5

6

D

7

8

9

RL

Output

CL

Notes: 1. All diodes are 1S2074(H).

2. CL includes probe and jig capacitance.

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.3.00, Jul.22.2005, page 4 of 6

Share Link: