HD74LS258

Rev.3.00, Jul.15.2005, page 5 of 6

Waveforms 2

Output

Control

Input

Waveform A

Waveform B

1.3V

1.3V

1.3V

1.3V

0.5V

0.5V

0V

0V

3V

4.5V

10%

10%

90%

90%

1.5V

1.5V

Notes:

1.

≤ 15 ns, t

THL

≤ 6 ns, PRR = 1 MHz, duty cycle = 50%

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.