HD74LVCZ244AFPEL 查看數據表（PDF） - Renesas Electronics

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HD74LVCZ244AFPEL

Octal Buffers / Line Drivers with 3–state Outputs

Renesas Electronics 

HD74LVCZ244A

Test Circuit

VCC

Input

Pulse generator

Zout = 50 Ω

VCC

1G, 2G

Output

1Y1 to 2Y4

1A1 to 2A4

C L=

50 pF

500 Ω S1

450 Ω

50 Ω Scope

OPEN

*1 See

under table

GND

Symbol

tPLH / t PHL

tZH/ t HZ

tZL / t LZ

S1

Vcc=2.7V,

3.3±0.3V

Vcc=5.0±0.5V

OPEN

OPEN

GND

6V

GND

2×VCC

Note: 1. CL includes probe and jig capacitance.

Rev.3.00 Aug. 18, 2004 page 5 of 8

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