HD74BC244A View Datasheet(PDF) - Renesas Electronics

Part Name

Description

Manufacturer

HD74BC244A

Octal Buffers/Line Drivers With 3 State Outputs

Renesas Electronics 

HD74BC244A

Test Circuit

VCC

VCC

Output

Input

Pulse Generator

Zout = 50 Ω

G

1Y1

1A1

1A2

500 Ω

CL =

50 pF

450 Ω

50 Ω Scope

Output

1A3

1Y2

Same as above

load circuit

1A4

1Y3

Same as above

load circuit

1Y4

Same as above

load circuit

Notes:

1. CL includes probe and jig capacitance.

2. 2G, 2A1-2A4 to 2Y1-2Y4 are identical to above load circuit.

3. Open: tPLH, tPHL, tZH, tHZ

7 V: tZL, tLZ

*3

OPEN

7V

Rev.3.00, Jul.16.2004, page 5 of 8

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