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SN74HC640DW Folha de dados(PDF) 3 Page - Texas Instruments

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Nome de Peças SN74HC640DW
Descrição Electrónicos  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Fabricante Electrônico  TI1 [Texas Instruments]
Página de início  http://www.ti.com
Logo TI1 - Texas Instruments

SN74HC640DW Folha de dados(HTML) 3 Page - Texas Instruments

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SN54HC640, SN74HC640
OCTAL BUS TRANSCEIVERS
WITH 3STATE OUTPUTS
SCLS303D − JANUARY 1996 − REVISED AUGUST 2003
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54HC640
SN74HC640
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
2
5
6
2
5
6
V
VCC = 2 V
1.5
1.5
VIH
High-level input voltage
VCC = 4.5 V
3.15
3.15
V
VIH
High-level input voltage
VCC = 6 V
4.2
4.2
V
VCC = 2 V
0.5
0.5
VIL
Low-level input voltage
VCC = 4.5 V
1.35
1.35
V
VIL
Low-level input voltage
VCC = 6 V
1.8
1.8
V
VI
Input voltage
0
VCC
0
VCC
V
VO
Output voltage
0
VCC
0
VCC
V
VCC = 2 V
1000
1000
∆t/∆v
Input transition rise/fall time
VCC = 4.5 V
500
500
ns
∆t/∆v
Input transition rise/fall time
VCC = 6 V
400
400
ns
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
VCC
TA = 25°C
SN54HC640
SN74HC640
UNIT
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
MIN
MAX
MIN
MAX
UNIT
2 V
1.9
1.998
1.9
1.9
IOH = −20 µA
4.5 V
4.4
4.499
4.4
4.4
VOH
VI = VIH or VIL
IOH = −20 µA
6 V
5.9
5.999
5.9
5.9
V
VOH
VI = VIH or VIL
IOH = −6 mA
4.5 V
3.98
4.3
3.7
3.84
V
IOH = −7.8 mA
6 V
5.48
5.8
5.2
5.34
2 V
0.002
0.1
0.1
0.1
IOL = 20 µA
4.5 V
0.001
0.1
0.1
0.1
VOL
VI = VIH or VIL
IOL = 20 µA
6 V
0.001
0.1
0.1
0.1
V
VOL
VI = VIH or VIL
IOL = 6 mA
4.5 V
0.17
0.26
0.4
0.33
V
IOL = 7.8 mA
6 V
0.15
0.26
0.4
0.33
II
DIR or OE
VI = VCC or 0
6 V
±0.1
±100
±1000
±1000
nA
IOZ
A or B
VO = VCC or 0
6 V
±0.01
±0.5
±10
±5
µA
ICC
VI = VCC or 0,
IO = 0
6 V
8
160
80
µA
Ci
DIR or OE
2 V to 6 V
3
10
10
10
pF


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