Datasheet

SN74AUCH16244
16-BIT BUFFER/DRIVER
WITH 3-STATE OUTPUTS
SCES391E – MARCH 2002 – REVISED DECEMBER 2002
5
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 or OE inputs V
I
= V
CC
or GND 0 to 2.7 V ±5 µA
‡
V
I
= 0.35 V 1.1 V 10
I
BHL
‡
V
I
= 0.47 V 1.4 V 15
µA
I
BHL
‡
V
I
= 0.57 V 1.65 V 20
µ
A
V
I
= 0.7 V 2.3 V 40
§
V
I
= 0.8 V 1.1 V –10
I
BHH
§
V
I
= 0.9 V 1.4 V –15
µA
I
BHH
§
V
I
= 1.07 V 1.65 V –20
µ
A
V
I
= 1.7 V 2.3 V –40
¶
1.3 V 75
I
BHLO
¶
V
I
=0toV
CC
1.6 V 125
µA
I
BHLO
¶
V
I
=
0
to
V
CC
1.95 V 175
µ
A
2.7 V 275
#
1.3 V –75
I
BHHO
#
V
I
=0toV
CC
1.6 V –125
µA
I
BHHO
#
V
I
=
0
to
V
CC
1.95 V –175
µ
A
2.7 V –275
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 3 4.5 pF
C
o
V
O
= V
CC
or GND 2.5 V 4 7 pF
†
All typical values are at T
A
= 25°C.
‡
The bus-hold circuit can sink at least the minimum low sustaining current at V
IL
max. I
BHL
should be measured after lowering V
IN
to GND and
then raising it to V
IL
max.
§
The bus-hold circuit can source at least the minimum high sustaining current at V
IH
min. I
BHH
should be measured after raising V
IN
to V
CC
and
then lowering it to V
IH
min.
¶
An external driver must source at least I
BHLO
to switch this node from low to high.
#
An external driver must sink at least I
BHHO
to switch this node from high to low.