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| 型號： | SN54ABT2240AW |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | OCTAL BUFFERS AND LINE/MOS DRIVERS WITH 3-STATE OUTPUTS |
| 中文描述： | 八路緩沖器和線路/馬鞍山驅動器，三態(tài)輸出 |
| 文件頁數(shù)： | 4/7頁 |
| 文件大小： | 106K |
| 代理商： | SN54ABT2240AW |
SN54ABT2240A, SN74ABT2240A
OCTAL BUFFERS AND LINE/MOS DRIVERS
WITH 3-STATE OUTPUTS
SCBS232E – JANUARY 1991 – REVISED OCTOBER 1998
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54ABT2240A
MIN
SN74ABT2240A
MIN
UNIT
MAX
MAX
VCC
VIH
VIL
VI
IOH
IOL
t/
v
TA
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs literature number SCBA004.
Supply voltage
4.5
5.5
4.5
5.5
V
High-level input voltage
2
2
V
Low-level input voltage
0.8
0.8
V
Input voltage
0
VCC
–24
0
VCC
–32
V
High-level output current
mA
Low-level output current
12
12
mA
Input transition rise or fall rate
Outputs enabled
5
5
ns/V
°
C
Operating free-air temperature
–55
125
–40
85
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25
°
C
TYP
SN54ABT2240A
MIN
SN74ABT2240A
MIN
UNIT
MIN
MAX
MAX
MAX
VIK
VCC = 4.5 V,
VCC = 4.5 V,
VCC = 5 V,
II = –18 mA
IOH = –3 mA
IOH = –3 mA
IOH = –24 mA
IOH = –32 mA
IOL = 12 mA
–1.2
–1.2
–1.2
V
2.5
2.5
2.5
VOH
3
3
3
V
VCC= 4 5 V
VCC = 4.5 V
2
2
2*
2
VOL
Vhys
II
IOZH
IOZL
Ioff
VCC = 4.5 V,
0.8
0.8
0.8
V
100
mV
μ
A
μ
A
μ
A
μ
A
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 5.5 V,
VCC = 0,
VCC = 5.5 V,
VO = 5.5 V
VCC = 5.5 V,
VI = VCC or GND
VO = 2.7 V
VO = 0.5 V
VI or VO
≤
4.5 V
±
1
10*
±
1
10
±
1
10
–10*
±
100
–10
–10
±
100
ICEX
Outputs high
50
50
50
μ
A
IO
VO = 2.5 V
Outputs high
–50
–100
–180
–50
–180
–50
–180
mA
μ
A
mA
μ
A
VCC = 5.5 V, IO = 0,
VI= VCCor GND
VI = VCC or GND
5 5 V I
1
250
250
250
ICC
Outputs low
24
30
30
30
Outputs disabled
0.5
250
250
250
Data
inputs
VCC = 5.5 V,
One input at 3.4 V,
Other inputs at
VCC or GND
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
Outputs enabled
1.5
1.5
1.5
ICC§
,
Outputs disabled
0.05
0.05
0.05
mA
Control
inputs
1.5
1.5
1.5
Ci
Co
4
pF
7
pF
* On products compliant to MIL-PRF-38535, this parameter does not apply.
All typical values are at VCC = 5 V.
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 VCC or GND.
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