參數(shù)資料
型號(hào): 93L28
廠商: National Semiconductor Corporation
英文描述: Dual 8-Bit Shift Register
中文描述: 雙8位移位寄存器
文件頁數(shù): 3/6頁
文件大小: 107K
代理商: 93L28
Electrical Characteristics
over recommended operating free air temperature (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 1)
V
I
Input Clamp Voltage
V
CC
e
Min, I
I
e b
10 mA
b
1.5
V
V
OH
High Level Output Voltage
V
CC
e
Min, I
OH
e
Max,
V
IL
e
Max, V
IH
e
Min
2.4
V
V
OL
Low Level Output Voltage
V
CC
e
Min, I
OL
e
Max,
V
IH
e
Min, V
IL
e
Max
0.3
V
I
I
Input Current
@
Max
Input Voltage
V
CC
e
Max, V
I
e
5.5V
1
mA
I
IH
HIGH Level
Input Current
V
CC
e
Max, V
I
e
2.4V
MR, Dx
20
CP (7, 10)
30
m
A
S
40
CP Com
60
I
IL
LOW Level
Input Current
V
CC
e
Max, V
I
e
0.3V
MR, Dx
b
400
CP (7, 10)
b
600
m
A
S
b
800
CP Com
b
1200
I
OS
Short Circuit
Output Current
V
CC
e
Max
(Note 2)
b
2.5
b
25
mA
I
CC
Note 1:
All typicals are at V
CC
e
5V, T
A
e
25
§
C.
Note 2:
Not more than one output should be shorted at a time, and the duration should not exceed one second.
Supply Current
V
CC
e
Max
25.3
mA
Switching Characteristics
V
CC
e a
5.0V, T
A
e a
25
§
C (See Section 1 for test waveforms and output load)
Symbol
Parameter
C
L
e
15 pF
Units
Min
Max
f
max
Maximum Shift Right Frequency
5.0
MHz
t
PLH
t
PHL
Propagation Delay
CP to Q
7
or Q
7
45
80
ns
t
PHL
Propagation Delay MR to Q
7
110
ns
3
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