Datasheet

SN74AUC244
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES432 – MARCH 2003
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER TEST CONDITIONS
V
CC
MIN TYP
†
MAX UNIT
I
OH
= –100 µA 0.8 V to 2.7 V V
CC
–0.1
I
OH
= –0.7 mA 0.8 V 0.55
V
OH
I
OH
= –3 mA 1.1 V 0.8
V
V
OH
I
OH
= –5 mA 1.4 V 1
V
I
OH
= –8 mA 1.65 V 1.2
I
OH
= –9 mA 2.3 V 1.8
I
OL
= 100 µA 0.8 V to 2.7 V 0.2
I
OL
= 0.7 mA 0.8 V 0.25
V
OL
I
OL
= 3 mA 1.1 V 0.3
V
V
OL
I
OL
= 5 mA 1.4 V 0.4
V
I
OL
= 8 mA 1.65 V 0.45
I
OL
= 9 mA 2.3 V 0.6
I
I
A and OE inputs V
I
= V
CC
or GND 0 to 2.7 V ±5 µA
I
off
V
I
or V
O
= 2.7 V 0 ±10 µA
I
OZ
V
O
= V
CC
or GND 2.7 V ±10 µA
I
CC
V
I
= V
CC
or GND, I
O
= 0 0.8 V to 2.7 V 20 µA
C
i
V
I
= V
CC
or GND 2.5 V 2 3 pF
C
o
V
O
= V
CC
or GND 2.5 V 5.5 6 pF
†
All typical values are at T
A
= 25°C.
switching characteristics over recommended operating free-air temperature range, C
L
= 15 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 0.8 V
V
CC
= 1.2 V
± 0.1 V
V
CC
= 1.5 V
± 0.1 V
V
CC
= 1.8 V
± 0.15 V
V
CC
= 2.5 V
± 0.2 V
UNIT
(INPUT)
(OUTPUT)
TYP MIN MAX MIN MAX MIN TYP MAX MIN MAX
t
pd
A
Y
6.5 1.1 3.7 0.6 2.3 0.5 1.1 1.9 0.4 1.5 ns
t
en
OE
Y
8 1.2 4.5 0.7 2.8 0.6 1.2 2.3 0.5 1.7 ns
t
dis
OE
Y
10.4 1.7 6 1.1 4 1.7 2.4 4.2 0.6 3.8 ns
switching characteristics over recommended operating free-air temperature range, C
L
= 30 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
= 1.8 V
± 0.15 V
V
CC
= 2.5 V
± 0.2 V
UNIT
(INPUT)
(OUTPUT)
MIN TYP MAX MIN MAX
t
pd
A
Y
0.8 1.5 2.5 0.7 1.9 ns
t
en
OE
Y
0.8 1.7 3.1 0.7 2.3 ns
t
dis
OE
Y
1.7 2.4 4.2 0.5 2.3 ns