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74F657 数据表(PDF) 6 Page - Texas Instruments

部件名 74F657
功能描述  54F657 74F657 Octal Bidirectional Transceiver with 8-Bit Parity Generator/Checker and TRI-STATE(RM) Outputs
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制造商  TI1 [Texas Instruments]
网页  http://www.ti.com
标志 TI1 - Texas Instruments

74F657 数据表(HTML) 6 Page - Texas Instruments

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Absolute Maximum Ratings (Note 1)
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Storage Temperature
b
65 Cto a150 C
Ambient Temperature under Bias
b
55 Cto a125 C
Junction Temperature under Bias
b
55 Cto a175 C
Plastic
b
55 Cto a150 C
VCC Pin Potential to
Ground Pin
b
05V to a70V
Input Voltage (Note 2)
b
05V to a70V
Input Current (Note 2)
b
30 mA to a50 mA
Voltage Applied to Output
in HIGH State (with VCC e 0V)
Standard Output
b
05V to VCC
TRI-STATE Output
b
05V to a55V
Current Applied to Output
in LOW State (Max)
twice the rated IOL (mA)
Note 1
Absolute maximum ratings are values beyond which the device may
be damaged or have its useful life impaired Functional operation under
these conditions is not implied
Note 2
Either voltage limit or current limit is sufficient to protect inputs
Recommended Operating
Conditions
Free Air Ambient Temperature
Military
b
55 Cto a125 C
Commercial
0 Cto a70 C
Supply Voltage
Military
a
45V to a55V
Commercial
a
45V to a55V
DC Electrical Characteristics
Symbol
Parameter
54F74F
Units
VCC
Conditions
Min
Typ
Max
VIH
Input HIGH Voltage
20
V
Recognized as a HIGH Signal
VIL
Input LOW Voltage
08
V
Recognized as a LOW Signal
VCD
Input Clamp Diode Voltage
b
12
V
Min
IIN eb18 mA
VOH
Output HIGH
54F 10%VCC
25
IOH eb1mA(An)
Voltage
54F 10% VCC
24
IOH eb3mA(An Bn Parity ERROR)
54F 10% VCC
20
IOH eb12 mA (Bn Parity ERROR)
74F 10% VCC
25
V
Min
IOH eb1mA(An)
74F 10% VCC
24
IOH eb3mA(An Bn Parity ERROR)
74F 10% VCC
20
IOH eb15 mA (Bn Parity ERROR)
74F 5% VCC
27
IOH eb1mA(An)
74F 5% VCC
27
IOH eb3mA(An Bn Parity ERROR)
VOL
Output LOW
54F 10% VCC
05
IOL e 20 mA (An)
Voltage
54F 10% VCC
055
V
Min
IOL e 48 mA (Bn Parity ERROR)
74F 10% VCC
05
IOL e 24 mA (An)
74F 10% VCC
055
IOL e 64 mA (Bn Parity ERROR)
IIH
Input HIGH Current
20
m
A
Max
VIN e 27V (ODDEVEN)
40
VIN 27V (TR OE)
IBVI
Input HIGH Current
100
m
AVCC e 0
VIN e 70V (TR OE ODDEVEN)
Breakdown Test
IBVIT
Input HIGH Current
10
mA
Max
VIN e 55V (Parity Bn)
Breakdown Test (IO)
20
VIN e 55V (An)
IIL
Input LOW Current
b
20
m
A
Max
VIN e 05V (ODDEVEN)
b
40
VIN e 05V (TR OE)
IOZH
Output Leakage Current
50
m
A
Max
VOUT e 27V (ERROR)
IOZL
Output Leakage Current
b
50
m
A
Max
VOUT e 05V (ERROR)
IIH a IOZH
Output Leakage Current
70
m
A
Max
VIO e 27V (Bn Parity)
90
VIO e 27V (An)
IIL a IOZL
Output Leakage Current
b
70
m
A
Max
VIO e 05V (Bn Parity)
b
90
VIO e 05V (An)
IOS
Output Short-Circuit Current
b
60
b
150
mA
Max
VOUT e 0V (An)
b
100
b
225
VOUT e 0V (Bn Parity ERROR)
ICEX
Output HIGH Leakage
250
m
A
Max
VOUT e VCC (ERROR)
Current
10
mA
Max
VOUT e VCC (Bn Parity)
20
mA
Max
VOUT e VCC (An)
IZZ
Bus Drainage Test
500
m
A
00V
VOUT e 525V (An Bn Parity ERROR)
ICCH
Power Supply Current
101
125
mA
Max
VO e HIGH
ICCL
Power Supply Current
112
150
mA
Max
VO e LOW
ICCZ
Power Supply Current
109
145
mA
Max
VO e HIGH Z
5


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