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SN74AHC244DGVR Arkusz danych(PDF) 3 Page - Texas Instruments

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Numer części SN74AHC244DGVR
Szczegółowy opis  OCTAL BUFFERS/DRIVERS WITH 3-STATE OUTPUTS
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Producent  TI [Texas Instruments]
Strona internetowa  http://www.ti.com
Logo TI - Texas Instruments

SN74AHC244DGVR Arkusz danych(HTML) 3 Page - Texas Instruments

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SN54AHC244, SN74AHC244
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS226J − OCTOBER 1995 − REVISED JULY 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54AHC244
SN74AHC244
UNIT
MIN
MAX
MIN
MAX
UNIT
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
VIH
High level input voltage
VCC = 5.5 V
3.85
3.85
V
VCC = 2 V
0.5
0.5
VIL
Low-level input voltage
VCC = 3 V
0.9
0.9
V
VIL
Low level input voltage
VCC = 5.5 V
1.65
1.65
V
VI
Input voltage
0
5.5
0
5.5
V
VO
Output voltage
0
VCC
0
VCC
V
VCC = 2 V
−50
−50
mA
IOH
High-level output current
VCC = 3.3 V ± 0.3 V
−4
−4
mA
IOH
High level output current
VCC = 5 V ± 0.5 V
−8
−8
mA
VCC = 2 V
50
50
mA
IOL
Low-level output current
VCC = 3.3 V ± 0.3 V
4
4
mA
IOL
Low level output current
VCC = 5 V ± 0.5 V
8
8
mA
Δt/Δv
Input transition rise or fall rate
VCC = 3.3 V ± 0.3 V
100
100
ns/V
Δt/Δv
Input transition rise or fall rate
VCC = 5 V ± 0.5 V
20
20
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
V
TA = 25°C
SN54AHC244
SN74AHC244
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
1.9
2
1.9
1.9
IOH = −50 mA
3 V
2.9
3
2.9
2.9
VOH
IOH
50
mA
4.5 V
4.4
4.5
4.4
4.4
V
VOH
IOH = −4 mA
3 V
2.58
2.48
2.48
V
IOH = −8 mA
4.5 V
3.94
3.8
3.8
2 V
0.1
0.1
0.1
IOL = 50 mA
3 V
0.1
0.1
0.1
VOL
IOL
50
mA
4.5 V
0.1
0.1
0.1
V
VOL
IOL = 4 mA
3 V
0.36
0.5
0.44
V
IOL = 8 mA
4.5 V
0.36
0.5
0.44
II
VI = 5.5 V or GND
0 V to 5.5 V
±0.1
±1*
±1
mA
IOZ
VO = VCC or GND,
VI (OE) = VIL or VIH
5.5 V
±0.25
±2.5
±2.5
mA
ICC
VI = VCC or GND,
IO = 0
5.5 V
4
40
40
mA
Ci
VI = VCC or GND
5 V
2
10
10
pF
Co
VO = VCC or GND
5 V
3.5
pF
* On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.


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