DM74LS299 데이터 시트보기 (PDF) - Fairchild Semiconductor
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DM74LS299
Fairchild Semiconductor
DM74LS299 Datasheet PDF : 6 Pages
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Absolute Maximum Ratings(Note 1)
Supply Voltage
7V
Input Voltage
7V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range
−65°C to +150°C
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
Symbol
Parameter
Min
VCC
Supply Voltage
4.75
VIH
HIGH Level Input Voltage
2
VIL
LOW Level Input Voltage
IOH
HIGH Level Output Current Q0, Q7
I/O0–I/O7
IOL
LOW Level Output Current
Q0, Q7
I/O0–I/O7
TA
Free Air Operating Temperature
0
tS(H)
Setup Time HIGH or LOW
24
tS(L)
S0 or S1 to CP
24
tH(H)
Hold Time HIGH or LOW
0
tH(L)
S0 or S1 to CP
0
tS(H)
Setup Time HIGH or LOW
10
tS(L)
I/On, DS0, DS7 to CP
10
tH(H)
Hold Time HIGH or LOW
0
tH(L)
I/On, DS0, DS7 to CP
0
tW(H)
CP Pulse Width HIGH or LOW
15
tW(L)
15
tW(L)
MR Pulse Width LOW
15
tREC
Recovery Time
10
MR to CP
Nom
5
Max
5.25
0.8
−0.4
−2.6
8
24
70
Units
V
V
V
mA
mA
mA
mA
°C
ns
ns
ns
ns
ns
ns
ns
3
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