SN74ACT08EP

QUADRUPLE 2INPUT POSITIVEAND GATE

SCAS779 − SEPTEMBER 2004

4

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

50% VCC

tPLH

tPHL

tPHL

tPLH

VOH

VOH

VOL

VOL

1.5 V

1.5 V

3 V

0 V

50% VCC

50% VCC

Input

(see Note B)

Out-of-Phase

Output

In-Phase

Output

50% VCC

VOLTAGE WAVEFORMS

From Output

Under Test

CL = 50 pF

(see Note A)

LOAD CIRCUIT

S1

2

× VCC

500

Ω

500

Ω

Open

S1

TEST

tPLH/tPHL

Open

NOTES: A. CL includes probe and jig capacitance.

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

≤ 1 MHz, ZO = 50 Ω, tr v 2.5 ns, tf v 2.5 ns.

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

Figure 1. Load Circuit and Voltage Waveforms