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參數(shù)資料
| 型號： | SN54ABT16244WD |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 16-BIT BUFFERS/DRIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 16位緩沖器/ 3司機態(tài)輸出 |
| 文件頁數(shù)： | 4/12頁 |
| 文件大小： | 188K |
| 代理商： | SN54ABT16244WD |
www.ti.com
Recommended Operating Conditions
(1)
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
SN54ABT16244, SN74ABT16244A
16-BIT BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS073H–SEPTEMBER 1991–REVISED AUGUST 2005
SN54ABT16244
MIN
4.5
2
SN74ABT16244A
MIN
4.5
2
UNIT
MAX
5.5
MAX
5.5
V
CC
V
IH
V
IL
V
I
I
OH
I
OL
t/
v
T
A
Supply voltage
High-level input voltage
Low-level input voltage
Input voltage
High-level output current
Low-level output current
Input transition rise or fall rate
Operating free-air temperature
V
V
V
V
0.8
V
CC
–24
48
10
125
0.8
V
CC
–32
64
10
85
0
0
mA
mA
ns/V
°
C
Outputs enabled
–55
–40
(1)
All unused inputs of the device must be held at V
or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs
, literature number SCBA004.
T
A
= 25
°
C
(1)
MIN TYP
(2)
SN54ABT16244
MIN
SN74ABT16244A
MIN
PARAMETER
TEST CONDITIONS
UNIT
MAX
–1.2
MAX
–1.2
MAX
–1.2
V
IK
V
CC
= 4.5 V,
V
CC
= 4.5 V,
V
CC
= 5 V,
I
I
= –18 mA
I
OH
= –3 mA
I
OH
= –3 mA
I
OH
= –24 mA
I
OH
= –32 mA
I
OL
= 48 mA
I
OL
= 64 mA
V
2.5
2.5
2.5
3
2
3
2
3
V
OH
V
V
CC
= 4.5 V
2
(3)
2
0.55
0.55
V
OL
V
CC
= 4.5 V
V
0.55
(3)
0.55
V
hys
I
I
I
OZH
I
OZL
I
off
100
mV
μ
A
μ
A
μ
A
μ
A
V
CC
= 5.5 V, V
I
= V
CC
or GND
V
CC
= 5.5 V,
V
CC
= 5.5 V,
V
CC
= 0,
V
CC
= 5.5 V,
V
O
= 5.5 V
V
CC
= 5.5 V,
±
1
±
1
10
±
1
V
O
= 2.7 V
V
O
= 0.5 V
V
I
or V
O
≤
5.5 V
10
(4)
–10
(4)
±
100
10
(4)
–10
(4)
±
100
–10
I
CEX
Outputs high
50
50
50
μ
A
I
O(5)
V
O
= 2.5 V
Outputs high
Outputs low
Outputs disabled
Outputs enabled
–50
–100
–180
–50
–180
–50
–180
mA
3
2
3
V
CC
= 5.5 V,
I
O
= 0,
V
I
= V
CC
or GND
I
CC
32
3
32
2
1.5
32
3
mA
V
= 5.5 V,
One input at 3.4 V,
Other inputs at
V
CC
or GND
V
= 5.5 V, One input at 3.4 V,
Other inputs at V
CC
or GND
V
I
= 2.5 V or 0.5 V
V
O
= 2.5 V or 0.5 V
0.05
0.05
Data
inputs
Outputs disabled
0.05
1
0.05
I
CC(6)
mA
Control
inputs
0.05
1.5
0.05
C
i
C
o
3
6
pF
pF
(1)
(2)
(3)
(4)
(5)
(6)
Characteristics for T
= 25
°
C apply to the SN74ABT16244A only.
All typical values are at V
= 5 V.
On products compliant to MIL-PRF-38535, this parameter does not apply.
This data-sheet limit may vary among suppliers.
Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
This is the increase in supply current for each input that is at the specified TTL voltage level rather than V
CC
or GND.
4
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