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DM74LS299WM Datasheet(PDF) 2 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part # DM74LS299WM
Description  8-Input Universal Shift/Storage Register with Common Parallel I/O Pins
PDF  8 Pages
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Manufacturer  NSC [National Semiconductor (TI)]
Direct Link  http://www.national.com
Logo NSC - National Semiconductor (TI)

DM74LS299WM Datasheet(HTML) 2 Page - National Semiconductor (TI)

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Absolute Maximum Ratings (Note)
If MilitaryAerospace specified devices are required
please contact the National Semiconductor Sales
OfficeDistributors for availability and specifications
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range
DM54
b
55 Cto a125 C
DM74LS
0 Cto a70 C
Storage Temperature Range
b
65 Cto 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’’ table will define
the conditions for actual device operation
Recommended Operating Conditions
Symbol
Parameter
DM54LS299
DM74LS299
Units
Min
Nom
Max
Min
Nom
Max
VCC
Supply Voltage
45
5
55
475
5
525
V
VIH
High Level Input Voltage
2
2
V
VIL
Low Level Input Voltage
07
08
V
IOH
High Level Output Current
Q0 Q7
b
04
b
04
mA
IO0 – IO7
b
26
b
26
mA
IOL
Low Level Output Current
Q0 Q7
4
8
mA
IO0 – IO7
12
24
mA
TA
Free Air Operating Temperature
b
55
125
0
70
C
ts(H)
Setup Time HIGH or LOW
24
24
ns
ts(L)
S0 or S1 to CP
24
24
th(H)
Hold Time HIGH or LOW
5
0
ns
th(L)
S0 or S1 to CP
5
0
ts(H)
Setup Time HIGH or LOW
15
10
ns
ts(L)
IOn DS0 DS7 to CP
15
10
th(H)
Hold Time HIGH or LOW
5
0
ns
th(L)
IOn DS0 DS7 to CP
5
0
tw(H)
CP Pulse Width HIGH or LOW
15
15
ns
tw(L)
15
15
tw(L)
MR Pulse Width LOW
15
15
ns
trec
Recovery Time
10
10
ns
MR to CP
Electrical Characteristics
Over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 1)
VI
Input Clamp Voltage
VCC e Min II eb18 mA
b
15
V
VOH
High Level Output
VCC e Min IOH e Max
DM54
25
Voltage
VIL e Max
Q0 Q7
DM74
27
34
V
IO0 – IO7
24
VOL
Low Level Output
VCC e Min IOL e Max
DM54
04
Voltage
VIH e Min
DM74
035
05
V
IOL e 4 mA VCC e Min
DM74
025
04
II
Input Current
Max
VCC e Max VI e 10V (DM54)
Inputs
01
mA
Input Voltage
VI e 7V (DM74)
Sn
02
mA
2



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