Datasheet

7
FIGURE 3. PREREQUISITE FOR CLOCK
D
V
S
V
S
V
S
V
S
V
S
V
S
t
H
(H)
t
SU
(L)
t
H
(L)
t
SU
(H)
CP
OUTPUT
LEVEL
DUT
OUTPUT
R
L
(NOTE)
OUTPUT
LOAD
500Ω
C
L
50pF
NOTE: For AC Series Only: When V
CC
= 1.5V, R
L
= 1kΩ.
FIGURE 4. PROPAGATION DELAY TIMES
AC ACT
Input Level V
CC
3V
Input Switching Voltage, V
S
0.5 V
CC
1.5V
Output Switching Voltage, V
S
0.5 V
CC
0.5 V
CC
CD54AC273, CD74AC273, CD54ACT273, CD74ACT273