54ACT11021, 74ACT11021

DUAL 4-INPUT POSITIVE-AND GATES

SCAS012B – D2957, JULY 1987 – REVISED APRIL 1993

POST OFFICE BOX 655303

2–4

PARAMETER MEASUREMENT INFORMATION

LOAD CIRCUIT

From Output

Under Test

CL = 50 pF

(see Note A)

500

Ω

tPLH

tPHL

1.5 V

1.5 V

3 V

0 V

50% VCC

50% VCC

VOH

VOL

Input

(see Note B)

Output

VOLTAGE WAVEFORMS

NOTES: A. CL includes probe and jig capacitance.

B. Input pulses are supplied by generators having the following characteristics: PRR

≤ 10 MHz, ZO = 50 Ω, tr = 3 ns, tf = 3 ns.

C. The outputs are measured one at a time with one input transition per measurement.

Figure 1. Load Circuit and Voltage Waveforms