SN75ALS164

OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVER

SLLS022C – JUNE 1986 – REVISED MAY 1998

7

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

LOAD CIRCUIT

VOLTAGE WAVEFORMS

VOL

VOH

0 V

3 V

1.0 V

1.5 V

(see Note B)

2.2 V

1.5 V

Bus

Output

Terminal

Input

Test Point

(see Note A)

CL = 30 pF

480

Ω

200

Ω

From (bus)

Output Under

Test

5 V

tPLH

tPHL

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 1. Terminal-to-Bus Load Circuit and Voltage Waveforms

LOAD CIRCUIT

VOLTAGE WAVEFORMS

VOL

VOH

0 V

3 V

1.5 V

1.5 V

(see Note B)

1.5 V

1.5 V

Terminal

Output

Bus

Input

Test Point

(see Note A)

CL = 30 pF

3k

Ω

240

Ω

From (terminal)

Output Under

Test

4.3 V

tPLH

tPHL

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