SN54LV05A, SN74LV05A

HEX INVERTERS

WITH OPENDRAIN OUTPUTS

SCLS391I − APRIL 1998 − REVISED APRIL 2005

5

POST OFFICE BOX 655303

PARAMETER MEASUREMENT INFORMATION

tPHL

tPLH

VCC

0 V

Input

VOLTAGE WAVEFORMS

PROPAGATION DELAY TIMES

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 ≤ 3 ns, tf ≤ 3 ns.

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

From Output

Under Test

CL

(see Note A)

Test

Point

LOAD CIRCUIT FOR

OPEN-DRAIN OUTPUTS

50% VCC

50% VCC

RL = 1 kΩ

Output

VCC

VOL

≈VCC

50% VCC

VOL + 0.3 V

Figure 1. Load Circuit and Voltage Waveforms