HD74CBT3257

Rev.2, Nov. 2001, page 8 of 11

Waveforms – 1

Input

10 %

1.5 V

1.5 V

90 %

90 %

3 V

GND

10 %

Output

1.5 V

1.5 V

V

OH

Waveforms – 2

Waveform - B

Notes: 1. All input pulses are supplied by generators having the following characteristics :

PRR

2. Waveform - A is for an output with internal conditions such that the output is low except

when disabled by the output control.

3. Waveform - B is for an output with internal conditions such that the output is high except

when disabled by the output control.

4. The output are measured one at a time with one transition per measurement.

Waveform - A

V

+ 0.3 V

OL

V

- 0.3 V

OH

Output

Control

10 %

10 %

1.5 V

1.5 V

90 %

90 %

3 V

3.5 V

GND

GND

1.5 V

1.5 V