Datasheet

SN54ALS273, SN74ALS273
OCTAL D-TYPE FLIP-FLOPS
WITH CLEAR
SDAS218A – APRIL 1982 – REVISED DECEMBER 1994
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
switching characteristics (see Figure 1)
PARAMETER
FROM
(
INPUT
)
TO
(
OUTPUT
)
V
CC
= 4.5 V to 5.5 V,
C
L
= 50 pF,
R
L
= 500 Ω
,
T
A
= MIN to MAX
†
UNIT
(INPUT)
(OUTPUT)
SN54ALS273 SN74ALS273
MIN MAX MIN MAX
f
max
30 35 MHz
t
PHL
CLR Any Q 4 24 4 18 ns
t
PLH
CLK
Any Q
2 20 2 12
ns
t
PHL
CLK
An
y
Q
3 17 3 15
ns
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.