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DM74AS163M(2007) View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
Manufacturer
DM74AS163M Datasheet PDF : 7 Pages
1 2 3 4 5 6 7
Electrical Characteristics
Over recommended operating free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C.
Symbol
Parameter
Conditions
Min. Typ. Max. Units
VIK Input Clamp Voltage
VCC = 4.5V, II = –18mA
VOH HIGH Level Output Voltage IOH = –2mA, VCC = 4.5 to 5.5V
VOL LOW Level Output Voltage VCC = 4.5V, IOL = 20mA
II
Input Current @ Max. Input VCC = 5.5V, VIH = 7V
Voltage
LOAD
ENT
–1.2
V
VCC – 2
V
0.35 0.5
V
0.3 mA
0.2
Others
0.1
IIH HIGH Level Input Current VCC = 5.5V, VIH = 2.7V LOAD
ENT
60
µA
40
Others
20
IIL LOW Level Input Current
VCC = 5.5V, VIL = 0.4V
LOAD
ENT
–0.5 mA
–1
IO(1) Output Drive Current
ICC Supply Current
VCC = 5.5V, VO = 2.25V
VCC = 5.5V
Others
–0.5
–30
–112 mA
35 53
mA
Note:
1. The output conditions have been chosen to produce a current that closely approximates one half of the true short
circuit output current, IOS.
Switching Characteristics
Over recommended operating free air temperature range.
Symbol
Parameter
fMAX
tPHL
Maximum Clock Frequency
Propagation Delay Time,
HIGH-to-LOW Level Output
tPLH Propagation Delay Time,
LOW-to-HIGH Level Output
with Load HIGH
tPLH Propagation Delay Time,
LOW-to-HIGH Level Output
with Load LOW
tPLH Propagation Delay Time,
LOW-to-HIGH Level Output
tPHL Propagation Delay Time,
HIGH-to-LOW Level Output
tPLH Propagation Delay Time,
LOW-to-HIGH Level Output
tPHL Propagation Delay Time,
HIGH-to-LOW Level Output
tPHL Propagation Delay Time,
HIGH-to-LOW Level Output
Conditions
VCC = 4.5V to 5.5V,
RL = 500,
CL = 50pF
tPHL Propagation Delay Time,
HIGH-to-LOW Level Output
From
Clock
Clock
Clock
Clock
Clock
En T
En T
CLEAR
(DM74AS161)
CLEAR
(DM74AS161)
To
Ripple Carry
Ripple Carry
Ripple Carry
Any Q
Any Q
Ripple Carry
Ripple Carry
Any Q
Ripple Carry
Min Max Units
75
MHz
2 12.5 ns
1
8
ns
3 16.5 ns
1
7
ns
2
13
ns
1.5 9
ns
1
8.5
ns
2
13
ns
2 12.5 ns
©1984 Fairchild Semiconductor Corporation
DM74AS161, DM74AS163 Rev. 1.2
6
www.fairchildsemi.com
 

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