5 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

A.

CL includes probe and jig capacitance.

B.

All input pulses are supplied by generators having the following characteristics: PRR ≤1MHz, ZO = 50Ω, tr ≤ 2.5ns, tf ≤ 2.5ns.

C.

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

Figure 5-1. Load Circuit and Voltage Waveforms

www.ti.com

SN54ACT08, SN74ACT08

SCAS535E – SEPTEMBER 1995 – REVISED FEBRUARY 2025

Copyright © 2025 Texas Instruments Incorporated

Submit Document Feedback

7

Product Folder Links: SN54ACT08 SN74ACT08