SN75ALS161

OCTAL GENERALPURPOSE INTERFACE BUS TRANSCEIVERS

SLLS019F − JUNE 1986 − REVISED JULY 2004

9

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

PARAMETER MEASUREMENT INFORMATION

LOAD CIRCUIT

VOLTAGE WAVEFORMS

VOL

VOH

0 V

3 V

1.5 V

1.5 V

1.5 V

1.5 V

Terminal

Output

Test Point

From (Terminal)

Output Under Test

4.3 V

tPLH

tPHL

240

Ω

CL = 30 pF

(see Note A)

3 k

Ω

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.

Bus Input

(see Note B)

Figure 2. Bus-to-Terminal Load Circuit and Voltage Waveforms