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54LS164LMQB View Datasheet(PDF) - National ->Texas Instruments

Part NameDescriptionManufacturer
54LS164LMQB 8-Bit Serial In/Parallel Out Shift Registers National-Semiconductor
National ->Texas Instruments National-Semiconductor
54LS164LMQB Datasheet PDF : 6 Pages
1 2 3 4 5 6
Absolute Maximum Ratings (Note)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
DM54LS and 54LS
b55 C to a125 C
DM74LS
0 C to a70 C
Storage Temperature Range
b65 C to a150 C
Note The ‘‘Absolute Maximum Ratings’’ are those values
beyond which the safety of the device cannot be guaran-
teed The device should not be operated at these limits The
parametric values defined in the ‘‘Electrical Characteristics’’
table are not guaranteed at the absolute maximum ratings
The ‘‘Recommended Operating Conditions’’ tables will de-
fine the conditions for actual device operation
Recommended Operating Conditions
Symbol
VCC
VIH
VIL
IOH
IOL
fCLK
tW
tSU
tH
tREL
TA
Parameter
Supply Voltage
High Level Input Voltage
Low Level Input Voltage
High Level Output Current
Low Level Output Current
Clock Frequency (Note 4)
Pulse Width
(Note 4)
Clock
Clear
Data Setup Time (Note 4)
Data Hold Time (Note 4)
Clear Release Time (Note 4)
Free Air Operating Temperature
DM54LS164
Min Nom Max
45
5
55
2
07
b0 4
4
0
25
20
20
17
5
30
b55
125
DM74LS164
Min Nom Max
4 75
5
5 25
2
08
b0 4
8
0
25
20
20
17
5
30
0
70
Units
V
V
V
mA
mA
MHz
ns
ns
ns
ns
C
Electrical Characteristics over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
(Note 1)
Max
Units
VI
Input Clamp Voltage
VCC e Min II e b18 mA
b1 5
V
VOH
High Level Output
Voltage
VCC e Min IOH e Max
DM54
25
34
VIL e Max VIH e Min
DM74
27
34
V
VOL
Low Level Output
Voltage
VCC e Min IOL e Max
VIL e Max VIH e Min
DM54
DM74
0 25
04
0 35
05
V
IOL e 4 mA VCC e Min
DM74
II
Input Current Max
VCC e Max VI e 7V
Input Voltage
0 25
04
01
mA
IIH
High Level Input Current
VCC e Max VI e 2 7V
IIL
Low Level Input Current
VCC e Max VI e 0 4V
IOS
Short Circuit
Output Current
VCC e Max
(Note 2)
DM54
DM74
b20
b20
20
mA
b0 4
mA
b100
mA
b100
ICC
Supply Current
VCC e Max (Note 3)
16
27
mA
Note 1 All typicals are at VCC e 5V TA e 25 C
Note 2 Not more than one output should be shorted at a time and the duration should not exceed one second
Note 3 ICC is measured with all outputs open the SERIAL input grounded the CLOCK input at 2 4V and a momentary ground then 4 5V applied to the CLEAR
input
Note 4 TA e 25 C and VCC e 5V
2
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