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SN74BCT25245 Folha de dados(PDF) 3 Page - Texas Instruments

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Nome de Peças SN74BCT25245
Descrição Electrónicos  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Fabricante Electrônico  TI [Texas Instruments]
Página de início  http://www.ti.com
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SN74BCT25245 Folha de dados(HTML) 3 Page - Texas Instruments

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SN54BCT25245, SN74BCT25245
25 Ω OCTAL BUS TRANSCEIVERS
WITH 3STATE OUTPUTS
SCBS053B − MAY 1990 − REVISED APRIL 1994
2−3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 77251−1443
recommended operating conditions
SN54BCT25245
SN74BCT25245
UNIT
MIN
NOM
MAX
MIN
NOM
MAX
UNIT
VCC
Supply voltage
4.5
5
5.5
4.5
5
5.5
V
VIH
High-level input voltage
2
2
V
VIL
Low-level input voltage
0.8
0.8
V
IIK
Input clamp current
−18
−18
mA
IOH
High-level output current
A port
−53
−80
mA
IOH
High-level output current
B port
−3
−3
mA
IOL
Low-level output current
A port
125
188
mA
IOL
Low-level output current
B port
20
24
mA
TA
Operating free-air temperature
−55
125
0
70
°C
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN54BCT25245
SN74BCT25245
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP†
MAX
MIN
TYP†
MAX
UNIT
VIK
VCC = 4.5 V,
II = −18 mA
−1.2
−1.2
V
VCC = 4.5 V
IOH = − 53 mA
2
VOH
A port
VCC = 4.5 V
IOH = − 80 mA
2
V
VOH
A port
VCC = 4.75 V,
IOH = − 3 mA
2.7
V
B port
VCC = 4.5 V,
IOH = − 3 mA
2.4
3.3
2.4
3.3
IOL = 94 mA
0.38
0.55
0.42
0.55
A port
VCC = 4.5 V
IOL = 125 mA
0.8
VOL
A port
VCC = 4.5 V
IOL = 188 mA
0.7
V
VOL
B port
VCC = 4.5 V
IOL = 20 mA
0.3
0.5
V
B port
VCC = 4.5 V
IOL = 24 mA
0.35
0.5
II
A or B port
VCC = 5.5 V,
VI = 5.5 V
0.25
0.25
mA
II
Control input
VCC = 5.5 V,
VI = 5.5 V
0.1
0.1
mA
IIH‡
A or B port
VCC = 5.5 V,
VI = 2.7 V
70
70
A
IIH‡
Control input
VCC = 5.5 V,
VI = 2.7 V
20
20
µA
IIL‡
A or B port
VCC = 5.5 V,
VI = 0.5 V
− 0.6
− 0.6
mA
IIL‡
Control input
VCC = 5.5 V,
VI = 0.5 V
−0.6
−0.6
mA
IOS§
B port only¶
VCC = 5.5 V,
VO = 0
−60
− 150
−60
− 150
mA
ICCH
A to B
VCC = 5.5 V
36
46
36
46
mA
ICCH
B to A
VCC = 5.5 V
63
80
63
80
mA
ICCL
A to B
VCC = 5.5 V
48
60
48
60
mA
ICCL
B to A
VCC = 5.5 V
95
125
95
125
mA
ICCZ
VCC = 5.5 V
12
16
12
16
mA
Ci
Control input
VCC = 5 V,
VI = 2.5 V or 0.5 V
8
8
pF
Cio
A port
VCC = 5 V,
VO = 2.5 V or 0.5 V
18
18
pF
Cio
B port
VCC = 5 V,
VO = 2.5 V or 0.5 V
8
8
pF
† All typical values are at VCC = 5 V, TA = 25°C.
‡ For I/O ports, the parameters IIH and IIL include the off-state output current.
§ Not more than one output should be tested at a time, and the duration of the test should not exceed one second.
¶ Testing for this parameter on the A port is not recommended.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.


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