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SN74ABT240ADBLE Datasheet(PDF) 3 Page - Texas Instruments

Part # SN74ABT240ADBLE
Description  OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

SN74ABT240ADBLE Datasheet(HTML) 3 Page - Texas Instruments

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SN54ABT240, SN74ABT240A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCBS098I – JANUARY 1991 – REVISED JUNE 2002
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54ABT240
SN74ABT240A
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
4.5
5.5
4.5
5.5
V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.8
0.8
V
VI
Input voltage
0
VCC
0
VCC
V
IOH
High-level output current
–24
–32
mA
IOL
Low-level output current
48
64
mA
∆t/∆v
Input transition rise or fall rate
Outputs enabled
5
5
ns/V
TA
Operating free-air temperature
–55
125
–40
85
°C
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.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
TA = 25°C
SN54ABT240
SN74ABT240A
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
MIN
MAX
MIN
MAX
UNIT
VIK
VCC = 4.5 V,
II = –18 mA
–1.2
–1.2
–1.2
V
VCC = 4.5 V,
IOH = –3 mA
2.5
2.5
2.5
VOH
VCC = 5 V,
IOH = –3 mA
3
3
3
V
VOH
VCC =4 5V
IOH = –24 mA
2
2
V
VCC = 4.5 V
IOH = –32 mA
2*
2
VOL
VCC =4 5V
IOL = 48 mA
0.55
0.55
V
VOL
VCC = 4.5 V
IOL = 64 mA
0.55*
0.55
V
Vhys
100
mV
II
VCC = 5.5 V,
VI = VCC or GND
±1
±1
±1
µA
IOZH
VCC = 5.5 V,
VO = 2.7 V
10
10
10
µA
IOZL
VCC = 5.5 V,
VO = 0.5 V
–10
–10
–10
µA
Ioff
VCC = 0,
VI or VO ≤ 4.5 V
±100
±100
µA
ICEX
VCC = 5.5 V, VO = 5.5 V
Outputs high
50
50
50
µA
IO‡
VCC = 5.5 V,
VO = 2.5 V
–50
–100
–180
–50
–180
–50
–180
mA
V5 5 V I
0
Outputs high
1
250
250
250
µA
ICC
VCC = 5.5 V, IO = 0,
VI =VCC or GND
Outputs low
24
30
30
30
mA
VI = VCC or GND
Outputs disabled
0.5
250
250
250
µA
§
Data
VCC = 5.5 V,
One input at 3.4 V,
Outputs enabled
1.5
1.5
1.5
∆ICC§
inputs
,
Other inputs at
VCC or GND
Outputs disabled
0.05
0.05
0.05
mA
Control
inputs
VCC = 5.5 V, One input at 3.4 V,
Other inputs at VCC or GND
1.5
1.5
1.5
Ci
VI = 2.5 V or 0.5 V
4
pF
Co
VO = 2.5 V or 0.5 V
7.5
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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