Datasheet

SN74ALVC244
OCTAL BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES188 FEBRUARY 1999
266
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 1.65 V to 3.6 V V
CC
0.2
I
OH
= 4 mA 1.65 V 1.2
I
OH
= 6 mA 2.3 V 2
V
OH
2.3 V 1.7
V
I
OH
= 12 mA
2.7 V 2.2
3 V 2.4
I
OH
= 24 mA 3 V 2
I
OL
= 100 µA 1.65 V to 3.6 V 0.2
I
OL
= 4 mA 1.65 V 0.45
I
OL
= 6 mA 2.3 V 0.4
V
OL
2.3 V 0.7
V
I
OL
= 12 mA
2.7 V 0.4
I
OL
= 24 mA 3 V 0.55
I
I
V
I
= V
CC
or GND 3.6 V ±5 µA
I
OZ
V
O
= V
CC
or GND 3.6 V ±10 µA
I
CC
V
I
= V
CC
or GND, I
O
= 0 3.6 V 10 µA
I
CC
One input at V
CC
0.6 V, Other inputs at V
CC
or GND 3 V to 3.6 V 750 µA
Control inputs 4.5
C
i
Data inputs
V
I
= V
CC
or GND 3.3 V
4.5
pF
C
o
Outputs V
O
= V
CC
or GND 3.3 V 7.5 pF
All typical values are at V
CC
= 3.3 V, T
A
= 25°C.
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Figures 1 through 3)
PARAMETER
FROM TO
V
CC
= 1.8 V
± 0.15 V
V
CC
= 2.5 V
± 0.2 V
V
CC
= 2.7 V
V
CC
= 3.3 V
± 0.3 V
UNIT
(INPUT) (OUTPUT)
MIN MAX MIN MAX MIN MAX MIN MAX
t
pd
A
Y
1
4.4 1 3.1 3.1 1.1 2.8 ns
t
en
OE
Y
1.8 6.9 1.5 5.4 5.3 1.5 4.5 ns
t
dis
OE
Y
1.8 5.9 1 4.1 4.4 1.7 4.2 ns
operating characteristics, T
A
= 25°C
TEST
V
CC
= 1.8 V V
CC
= 2.5 V V
CC
= 3.3 V
PARAMETER
CONDITIONS
TYP TYP TYP
UNIT
Power dissipation capacitance
Outputs enabled
C = 0,
22
23 26
C
pd
per buffer/driver
Outputs disabled
L
f = 10 MHz
1
1 1
pF