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DM74LS373 Datasheet(PDF) 5 Page - Fairchild Semiconductor

Part No. DM74LS373
Description  3-STATE Octal D-Type Transparent Latches and Edge-Triggered Flip-Flops
Download  8 Pages
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Maker  FAIRCHILD [Fairchild Semiconductor]
Homepage  http://www.fairchildsemi.com
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DM74LS373 Datasheet(HTML) 5 Page - Fairchild Semiconductor

   
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DM74LS374 Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Note 9: All typicals are at VCC = 5V, TA = 25°C.
Note 10: Not more than one output should be shorted at a time, and the duration should not exceed one second.
DM74LS374 Switching Characteristics
at VCC = 5V and TA = 25°C
Note 11: CL = 5 pF.
Symbol
Parameter
Conditions
Min
Typ
Max
Units
(Note 9)
VI
Input Clamp Voltage
VCC = Min, II = −18 mA
−1.5
V
VOH
HIGH Level
VCC = Min, IOH = Max
2.4
3.1
V
Output Voltage
VIL = Max, VIH = Min
VOL
LOW Level
VCC = Min, IOL = Max
0.35
0.5
V
Output Voltage
VIL = Max, VIH = Min
IOL = 12 mA, VCC = Min
0.25
0.4
II
Input Current @ Max Input Voltage
VCC = Max, VI = 7V
0.1
mA
IIH
HIGH Level Input Current
VCC = Max, VI = 2.7V
20
µA
IIL
LOW Level Input Current
VCC = Max, VI = 0.4V
−0.4
mA
IOZH
Off-State Output Current with
VCC = Max, VO = 2.7V
20
µA
HIGH Level Output Voltage Applied
VIH = Min, VIL = Max
IOZL
Off-State Output Current with
VCC = Max, VO = 0.4V
−20
µA
LOW Level Output Voltage Applied
VIH = Min, VIL = Max
IOS
Short Circuit Output Current
VCC = Max (Note 10)
−50
−225
mA
ICC
Supply Current
VCC = Max, Dn = GND, OC = 4.5V
27
45
mA
RL = 667Ω
Symbol
Parameter
CL = 45 pF
CL = 150 pF
Units
MinMax
MinMax
fMAX
Maximum Clock Frequency
35
20
MHz
tPLH
Propagation Delay Time
28
32
ns
LOW-to-HIGH Level Output
tPHL
Propagation Delay Time
28
38
ns
HIGH-to-LOW Level Output
tPZH
Output Enable Time
28
44
ns
to HIGH Level Output
tPZL
Output Enable Time
28
44
ns
to LOW Level Output
tPHZ
Output Disable Time
20
ns
from HIGH Level Output (Note 11)
tPLZ
Output Disable Time
25
ns
from LOW Level Output (Note 11)


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