50% V

CC

t

PLH

t

PHL

V

OH

V

OL

V

CC

50% V

CC

50% V

CC

VCC

Input A

(see Note b)

50% V CC

0 V

0 V

In-Phase

Output

Out-of-Phase

Output

Input B

(see Note b)

V

OL

V

OH

50% V

CC

t

PLH

t

PHL

t

PHL

t

PLH

V

OH

V

OH

V

OL

V

OL

V

CC

0 V

50% V

CC

Input CLR

(see Note b)

Out-of-Phase

Output

In-Phase

Output

50% V

CC

50% V

CC

50% V

CC

50% V

CC

Test

Point

(see Note a)

From Output

Under Test

V

CC

0 V

t w

Inputs or

Outputs

50% V

CC

50% V

CC

9

SN74LV123A-Q1

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SCLS467F – FEBRUARY 2003 – REVISED JUNE 2016

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7 Parameter Measurement Information

Figure 6. Load Circuit

Figure 7. Voltage Waveforms Pulse Duration

Figure 8. Voltage Waveforms Delay Times

Figure 9. Voltage Waveforms Delay Times

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

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