參數(shù)資料
型號(hào)： 74F402PC
廠商： FAIRCHILD SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： Serial Data Polynomial Generator/Checker
中文描述： F/FAST SERIES, 1-BIT CRC GENERATOR CKT, PDIP16
封裝： 0.300 INCH, PLASTIC, MS-001, DIP-16
文件頁(yè)數(shù)： 6/12頁(yè)
文件大?。?/td> 177K
代理商： 74F402PC
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales
Office/Distributors for availability and specifications.
Storage Temperature
b
65
§
C to
a
150
§
C
b
55
§
C to
a
125
§
C
b
55
§
C to
a
175
§
C
b
55
§
C to
a
150
§
C
Ambient Temperature under Bias
Junction Temperature under Bias
Plastic
V
CC
Pin Potential to
Ground Pin
b
0.5V to
a
7.0V
b
0.5V to
a
7.0V
b
30 mA to
a
5.0 mA
Input Voltage (Note 2)
Input Current (Note 2)
Voltage Applied to Output
in HIGH State (with V
CC
e
0V)
Standard Output
TRI-STATE
é
Output
Current Applied to Output
in LOW State (Max)
b
0.5V to V
CC
b
0.5V to
a
5.5V
twice the rated I
OL
(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
Commercial
b
55
§
C to
a
125
§
C
0
§
C to
a
70
§
C
Supply Voltage
Military
Commercial
a
4.5V to
a
5.5V
a
4.5V to
a
5.5V
DC Electrical Characteristics
Symbol
Parameter
54F/74F
Units
V
CC
Conditions
Min
Typ
Max
V
IH
Input HIGH Voltage
2.0
V
Recognized as a HIGH Signal
V
IL
Input LOW Voltage
0.8
V
Recognized as a LOW Signal
V
CD
Input Clamp Diode Voltage
b
1.2
V
Min
I
IN
e b
18 mA
V
OH
Output HIGH
Voltage
54F 10% V
CC
74F 10% V
CC
74F 5% V
CC
2.4
2.4
2.7
I
OH
e b
2 mA (RO, D/CW)
I
OH
e b
5.7 mA (RO, D/CW)
I
OH
e b
5.7 mA (RO, D/CW)
V
Min
V
OL
Output LOW
Voltage
54F 10% V
CC
54F 10% V
CC
74F 10% V
CC
74F 10% V
CC
0.4
0.4
0.5
0.5
I
OL
e
4 mA (D/CW, RO)
I
OL
e
8 mA (ER)
I
OL
e
16 mA (ER)
I
OL
e
8 mA (D/CW, RO)
V
Min
I
IH
Input HIGH Current
54F
74F
20.0
5.0
m
A
Max
V
IN
e
2.7V
I
BVI
Input HIGH Current
Breakdown Test
54F
74F
100
7.0
m
A
Max
V
IN
e
7.0V
I
CEX
Output HIGH
Leakage Current
54F
74F
250
50
m
A
Max
V
OUT
e
V
CC
V
ID
Input Leakage
Test
74F
4.75
V
0.0
I
ID
e
1.9
m
A
All Other Pins Grounded
I
OD
Output Leakage
Circuit Current
74F
3.75
m
A
0.0
V
IOD
e
150 mV
All Other Pins Grounded
I
IL
Input LOW Current
b
0.4
mA
Max
V
IN
e
0.5V
I
OS
Output Short-Circuit Current
b
20
b
130
mA
Max
V
OUT
e
0V (D/CW, RO)
I
OHC
Open Collector, Output
OFF Leakage Test
250
m
A
Min
V
OUT
e
V
CC
(ER)
I
CC
Power Supply Current
110
165
mA
Max
6
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