7 Parameter Measurement Information

From Output

Under Test

CL = 50 pF

(see Note A)

LOAD CIRCUIT

S1

2 × VCC

500 Ω

500 Ω

Open

tPLH/tPHL

Open

TEST

S1

50% VCC

tPLH

tPHL

tPHL

tPLH

VOH

VOH

VOL

VOL

50% VCC

50% VCC

VCC

0 V

50% VCC

50% VCC

Input

(see Note B)

Out-of-Phase

Output

In-Phase

Output

50% VCC

VOLTAGE WAVEFORMS

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 ≤ 2.5 ns, tf ≤ 2.5 ns.

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

Figure 7-1. Load Circuit and Voltage Waveforms

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SN54AC00-SP

SCHS367C – OCTOBER 2008 – REVISED APRIL 2022

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