Datasheet

SN74ALS533A, SN74AS533A
OCTAL D-TYPE TRANSPARENT LATCHES
WITH 3-STATE OUTPUTS
SDAS270 – DECEMBER 1994
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
recommended operating conditions
SN74ALS533A
UNIT
MIN NOM MAX
UNIT
V
CC
Supply voltage 4.5 5 5.5 V
V
IH
High-level input voltage 2 V
V
IL
Low-level input voltage 0.8 V
I
OH
High-level output current –2.6 mA
I
OL
Low-level output current 24 mA
t
w
Pulse duration, LE high 15 ns
t
su
Setup time, data before LE↓ 15 ns
t
h
Hold time, data after LE↓ 7 ns
T
A
Operating free-air temperature 0 70 °C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN74ALS533A
UNIT
PARAMETER
TEST
CONDITIONS
MIN TYP
†
MAX
UNIT
V
IK
V
CC
= 4.5 V, I
I
= –18 mA –1.5 V
V
OH
V
CC
= 4.5 V to 5.5 V, I
OH
= –0.4 mA V
CC
–2
V
V
OH
V
CC
= 4.5 V, I
OH
= –2.6 mA 2.4 3.2
V
V
OL
V
CC
=45V
I
OL
= 12 mA 0.25 0.4
V
V
OL
V
CC
=
4
.
5
V
I
OL
= 24 mA 0.35 0.5
V
I
OZH
V
CC
= 5.5 V, V
O
= 2.7 V 20 µA
I
OZL
V
CC
= 5.5 V, V
O
= 0.4 V –20 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
V
CC
= 5.5 V, V
I
= 0.4 V –0.1 mA
I
O
‡
V
CC
= 5.5 V, V
O
= 2.25 V –30 –112 mA
Outputs high 10 17
I
CC
V
CC
= 5.5 V
Outputs low 17 26
mA
Outputs disabled 18.5 28
†
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
.