參數(shù)資料
型號: 74LS165
廠商: Fairchild Semiconductor Corporation
英文描述: 8-Bit Parallel In/Serial Output Shift Registers
中文描述: 8位并行/串行輸出移位寄存器
文件頁數(shù): 3/6頁
文件大?。?/td> 73K
代理商: 74LS165
3
www.fairchildsemi.com
D
Absolute Maximum Ratings
(Note 1)
Note 1:
The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Note 2:
C
L
=
15 pF, R
L
=
2 k
, T
A
=
25
°
C and V
CC
=
5V
Note 3:
C
L
=
50 pF, R
L
=
2 k
, T
A
=
25
°
C and V
CC
=
5V
Note 4:
T
A
=
25
°
C and V
CC
=
5V.
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 5:
All typicals are at V
CC
=
5V, T
A
=
25
°
C.
Note 6:
Not more than one output should be shorted at a time, and the duration should not exceed one second.
Note 7:
With all outputs OPEN, clock inhibit and shift/load at 4.5V, and a clock pulse applied to the CLOCK input, I
CC
is measured first with the parallel inputs
at 4.5V, then again grounded.
Supply Voltage
Input Voltage
Operating Free Air Temperature Range
Storage Temperature Range
7V
7V
0
°
C to
+
70
°
C
65
°
C to
+
150
°
C
Symbol
Parameter
Min
4.75
2
Nom
5
Max
5.25
Units
V
V
V
mA
mA
MHz
MHz
V
CC
V
IH
V
IL
I
OH
I
OL
f
CLK
f
CLK
t
W
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Clock Frequency (Note 2)
Clock Frequency (Note 3)
Pulse Width
(Note 3)
Setup Time
(Note 4)
0.8
0.4
8
25
20
0
0
Clock
Load
Parallel
Serial
Enable
Shift
25
15
10
20
30
45
0
0
ns
t
SU
ns
t
H
T
A
Hold Time (Note 4)
Free Air Operating Temperature
ns
°
C
70
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 5)
V
I
V
OH
Input Clamp Voltage
HIGH Level
V
CC
=
Min, I
I
=
18 mA
V
CC
=
Min, I
OH
=
Max
V
IL
=
Max, V
IH
=
Min
V
CC
=
Min, I
OL
=
Max
V
IL
=
Max, V
IH
=
Min
I
OL
=
4 mA, V
CC
=
Min
V
CC
=
Max, V
I
=
7V
1.5
V
2.7
3.4
V
Output Voltage
LOW Level
Output Voltage
V
OL
0.4
0.5
0.35
V
0.25
0.4
0.3
0.1
I
I
Input Current @ Max
Input Voltage
Shift/Load
Others
mA
I
IH
HIGH Level
Input Current
LOW Level
V
CC
=
Max
V
I
=
2.7V
V
CC
=
Max
V
I
=
0.4V
V
CC
=
Max (Note 6)
V
CC
=
Max (Note 7)
Shift/Load
Others
Shift/Load
60
20
1.2
0.4
100
36
μ
A
I
IL
mA
Input Current
Short Circuit Output Current
Supply Current
Others
I
OS
I
CC
20
mA
mA
21
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
74LS165DC 制造商:Texas Instruments 功能描述:
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74LS165SC 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Texas Instruments 功能描述:
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74LS166N 制造商:Motorola 功能描述:SN74LS166N 制造商:National Semiconductor 功能描述:74LS166N