Datasheet

SN54ALS534A, SN74ALS534A, SN74AS534
OCTAL D-TYPE EDGE-TRIGGERED FLIP-FLOPS
WITH 3-STATE OUTPUTS
SDAS168B – APRIL 1982 – REVISED JULY 1996
5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN74AS534
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP
†
MAX
UNIT
V
IK
V
CC
= 4.5 V, I
I
= –18 mA –1.2 V
V
OH
V
CC
= 4.5 V to 5.5 V, I
OH
= –2 mA V
CC
–2
V
V
OH
V
CC
= 4.5 V, I
OH
= –15 mA 2.4 3.3
V
V
OL
V
CC
= 4.5 V, I
OL
= 48 mA 0.34 0.5 V
I
OZH
V
CC
= 5.5 V, V
O
= 2.7 V 50 µA
I
OZL
V
CC
= 5.5 V, V
I
= 0.4 V –50 µA
I
I
V
CC
= 5.5 V, V
I
= 7 V 0.1 mA
I
IH
V
CC
= 5.5 V, V
I
= 2.7 V 20 µA
I
IL
OE, CLK
V
CC
=55V
V
I
=04V
–0.5
mA
I
IL
D
V
CC
=
5
.
5
V
,
V
I
=
0
.
4
V
–2
mA
I
O
‡
V
CC
= 5.5 V, V
O
= 2.25 V –30 –112 mA
Outputs high 77 120
I
CC
V
CC
= 5.5 V
Outputs low 84 128
mA
Outputs disabled 84 128
†
All typical values are at V
CC
= 5 V, T
A
= 25°C.
‡
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
OS
.
switching characteristics (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 4.5 V to 5.5 V,
C
L
= 50 pF,
R1 = 500 Ω
,
R2 = 500 Ω,
T
A
= MIN to MAX
§
UNIT
SN74AS534
MIN MAX
f
max
125 MHz
t
PLH
CLK
An Q
3 8
ns
t
PHL
CLK
A
ny
Q
4 9
ns
t
PZH
OE
An Q
2 6
ns
t
PZL
OE
A
ny
Q
3 10
ns
t
PHZ
OE
Any Q
2 6
ns
t
PLZ
OE
A
ny
Q
2 6
ns
§
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.