SN54ACT16244, 74ACT16244
16-BIT BUFFERS/LINE DRIVERS
WITH 3-STATE OUTPUTS
SCAS116B – MARCH 1990 – REVISED APRIL 1996
recommended operating conditions (see Note 3)
SN54ACT16244 74ACT16244
UNIT
MIN
4.5
2
MAX
MIN
4.5
2
MAX
V
V
V
V
V
Supply voltage (see Note 4)
High-level input voltage
Low-level input voltage
Input voltage
5.5
5.5
V
V
CC
IH
IL
0.8
0.8
V
0
0
V
V
0
0
V
V
V
I
CC
CC
Output voltage
V
O
CC
CC
I
High-level output current
Low-level output current
Input transition rise or fall rate
Operating free-air temperature
–24
24
–24
24
mA
mA
ns/V
°C
OH
OL
I
∆t/∆v
0
10
0
10
T
–55
125
–40
85
A
NOTES: 3. Unused inputs should be tied to V
through a pullup resistor of approximately 5 k or greater to prevent them from floating.
and GND pins must be connected to the proper voltage supply.
CC
4. All V
CC
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
T
A
= 25°C
SN54ACT16244 74ACT16244
PARAMETER
TEST CONDITIONS
V
UNIT
CC
MIN
4.4
TYP
MAX
MIN
4.4
MAX
MIN
4.4
5.4
3.8
4.8
MAX
4.5 V
5.5 V
4.5 V
5.5 V
5.5 V
5.5 V
4.5 V
5.5 V
4.5 V
5.5 V
5.5 V
5.5 V
5.5 V
5.5 V
5.5 V
I
I
= –50
A
OH
5.4
5.4
3.94
4.94
3.7
V
OH
= –24 mA
V
OH
4.7
I
I
= –50 mA
= –75 mA
3.85
OH
3.85
OH
0.1
0.1
0.1
0.1
0.1
0.1
I
= 50 A
OL
OL
0.36
0.36
0.5
0.44
0.44
V
OL
I
= 24 mA
V
0.5
I
I
= 50 mA
= 75 mA
1.65
OL
1.65
±1
OL
I
I
I
V = V
or GND
±0.1
±0.5
8
±1
±10
160
A
A
A
I
I
CC
V
= V
or GND
±5
OZ
CC
O
CC
V = V
or GND,
I
O
= 0
80
I
CC
One input at 3.4 V,
Other inputs at GND or V
5.5 V
0.9
1
1
mA
∆I
CC
CC
C
C
V = V
or GND
5 V
5 V
4.5
pF
pF
i
I
CC
= V or GND
CC
V
O
13.5
o
†
‡
Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms.
This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or V
.
CC
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
