SN75ALS161

OCTAL GENERALPURPOSE INTERFACE BUS TRANSCEIVERS

SLLS019F − JUNE 1986 − REVISED JULY 2004

10

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

tPZL

0.5 V

1 V

≈3.5 V

0 V

VOH

0 V

3 V

90%

2 V

Bus

Output

S1 Open

Control

Input

(see Note B)

1.5 V

1.5 V

5 V

Test Point

From (Bus)

Output Under Test

S1

LOAD CIRCUIT

VOLTAGE WAVEFORMS

VOL

tPZH

tPLZ

tPHZ

CL =15 pF

(see Note A)

200

Ω

480

Ω

Bus

Output

S1 Closed

NOTES: A. CL includes probe and jig capacitance.

B. The input pulse is supplied by a generator having the following characteristics: PRR

≤ 1 MHz, 50% duty cycle, tr ≤ 6 ns, tf ≤ 6 ns,

ZO = 50 Ω.

Figure 3. Bus Load Circuit and Voltage Waveforms