參數(shù)資料
型號： 74F299SC
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 通用總線功能
英文描述： Octal Universal Shift/Storage Register with Common Parallel I/O Pins
中文描述： F/FAST SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO20
封裝： 0.300 INCH, PLASTIC, SOIC-20
文件頁數(shù)： 4/10頁
文件大小： 194K
代理商： 74F299SC
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)
ESD Last Passing Voltage (Min)
4000V
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.
Voltage Applied to Output
in HIGH State (with V
CC
e
0V)
Standard Output
TRI-STATE Output
b
0.5V to V
CC
b
0.5V to
a
5.5V
Current Applied to Output
in LOW State (Max)
twice the rated I
OL
(mA)
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
I
OH
e b
1 mA (Q
0
, Q
7
, I/O
n
)
I
OH
e b
3 mA (I/O
n
)
I
OH
e b
1 mA (Q
0
, Q
7
, I/O
n
)
I
OH
e b
3 mA (I/O
n
)
I
OH
e b
1 mA (Q
0
, Q
7
, I/O
n
)
I
OH
e b
3 mA (I/O
n
)
I
OL
e
20 mA
I
OL
e
20 mA (Q
0
, Q
7
)
I
OL
e
24 mA (I/O
n
)
V
IN
e
2.7V (CP, DS
0
, DS
7
, S
0
, S
1
,
MR, OE
1
, OE
2
)
V
IN
e
7.0V (CP, DS
0
, DS
7
, S
0
, S
1
,
MR, OE
1
, OE
2
)
V
IN
e
5.5V (I/O
n
)
V
OH
Output HIGH
Voltage
54F 10% V
CC
54F 10% V
CC
74F 10% V
CC
74F 10% V
CC
74F 5% V
CC
74F 5% V
CC
2.5
2.4
2.5
2.4
2.7
2.7
V
Min
V
OL
Output LOW
Voltage
54 10% V
CC
74 10% V
CC
74 10% V
CC
0.5
0.5
0.5
V
Min
I
IH
Input HIGH
Current
54F
74F
20.0
5.0
m
A
Max
I
BVI
Input HIGH Current
Breakdown Test
54F
74F
100
7.0
m
A
Max
I
BVIT
Input HIGH Current
Breakdown Test (I/O)
54F
74F
1.0
0.5
mA
Max
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
0.6
b
1.2
mA
Max
V
IN
e
0.5V (CP, DS
0
, DS
7
, MR, OE
1
, OE
2
)
V
IN
e
0.5V (S
0
, S
1
)
V
I/O
e
2.7V (I/O
n
)
I
IH
a
I
OZH
I
IL
a
I
OZL
Output Leakage Current
70
m
A
Max
Output Leakage Current
b
650
m
A
Max
V
I/O
e
0.5V (I/O
n
)
I
OS
Output Short-Circuit Current
b
60
b
150
mA
Max
V
OUT
e
0V
V
OUT
e
5.25V
V
O
e
HIGH
V
O
e
LOW
V
O
e
HIGH Z
I
ZZ
Bus Drainage Test
500
m
A
0.0V
I
CCH
Power Supply Current
68
95
mA
Max
I
CCL
Power Supply Current
68
95
mA
Max
I
CCZ
Power Supply Current
68
95
mA
Max
4
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