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SN74AHC244PWRE4 Fiches technique(PDF) 4 Page - Texas Instruments

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No de pièce SN74AHC244PWRE4
Description  SNx4AHC244 Octal Buffers/Drivers With 3-State Outputs
Download  31 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

SN74AHC244PWRE4 Fiches technique(HTML) 4 Page - Texas Instruments

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SN54AHC244, SN74AHC244
SCLS226K – OCTOBER 1995 – REVISED JULY 2014
www.ti.com
7 Specifications
7.1 Absolute Maximum Ratings
over operating free-air temperature range (unless otherwise noted)
(1)
MIN
MAX
UNIT
VCC
Supply voltage range
–0.5
7
V
VI
Input voltage range(2)
–0.5
7
V
VO
Output voltage range(3)
–0.5
VCC + 0.5
V
IIK
Input clamp current
VI < 0
–20
mA
IOK
Output clamp current
VO < 0 or VO > VCC
±20
mA
IO
Continuous output current
VO = 0 to VCC
±25
mA
Continuous current through each VCC or GND
±50
mA
(1)
Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating
Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2)
The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
(3)
The package thermal impedance is calculated in accordance with JESD 51-7.
7.2 Handling Ratings
MIN
MAX
UNIT
Tstg
Storage temperature range
–65
150
°C
Human body model (HBM), per ANSI/ESDA/JEDEC JS-001, all
0
1500
pins(1)
V(ESD)
Electrostatic discharge
V
Charged device model (CDM), per JEDEC specification
0
2000
JESD22-C101, all pins(2)
(1)
JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2)
JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.
7.3 Recommended Operating Conditions
over operating free-air temperature range (unless otherwise noted)
(1)
SN54AHC244
SN74AHC244
UNIT
MIN
MAX
MIN
MAX
VCC
Supply voltage
2
5.5
2
5.5
V
VCC = 2 V
1.5
1.5
VIH
High-level input voltage
VCC = 3 V
2.1
2.1
V
VCC = 5.5 V
3.85
3.85
VCC = 2 V
0.5
0.5
VIL
Low level input voltage
VCC = 3 V
0.9
0.9
V
VCC = 5.5 V
1.65
1.65
VI
Input voltage
0
5.5
0
5.5
V
VO
Output voltage
0
VCC
0
VCC
V
VCC = 2 V
–50
–50
µA
IOH
High-level output current
VCC = 3.3 V ± 0.3 V
–4
–4
mA
VCC = 5 V ± 0.5 V
–8
–8
VCC = 2 V
50
50
µA
IOL
Low level output current
VCC = 3.3 V ± 0.3 V
4
4
mA
VCC = 5 V ± 0.5 V
8
8
VCC = 3.3 V ± 0.3 V
100
100
Δt/Δv
Input transition rise or fall rate
ns/V
VCC = 5 V ± 0.5 V
20
20
TA
Operating free-air temperature
–55
125
–40
125
°C
(1)
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.
4
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Copyright © 1995–2014, Texas Instruments Incorporated
Product Folder Links: SN54AHC244 SN74AHC244


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