Datasheet

CD54AC05, CD74AC05
HEX INVERTERS
WITH OPEN-DRAIN OUTPUTS
SCHS306C – JANUARY 2001 –REVISED JUNE 2002
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
t
PZL
t
PLZ
V
CC
0 V
Input
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
NOTES: A. C
L
includes probe and jig capacitance.
B. All input pulses are supplied by generators having the following characteristics: PRR ≤ 1 MHz, Z
O
= 50 Ω, t
r
≤ 3 ns, t
f
≤ 3 ns.
C. The outputs are measured one at a time with one input transition per measurement.
50% V
CC
50% V
CC
Output
V
OL
≈V
CC
50% V
CC
20% V
CC
From Output
Under Test
C
L
= 50 pF
(see Note A)
LOAD CIRCUIT
S1
2 × V
CC
R1 = 500 Ω
†
R2 = 500 Ω
†
†
When V
CC
= 1.5 V, R1 = R2 = 1 kΩ
Figure 1. Load Circuit and Voltage Waveforms