DM74ALS165(2007) 查看數據表（PDF） - Fairchild Semiconductor
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DM74ALS165 Datasheet PDF : 7 Pages
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Electrical Characteristics
Over recommended operating free air temperature range (unless otherwise noted).
Symbol
Parameter
Conditions
Min. Typ.(1) Max. Units
VIK Input Clamp Voltage
VCC = 4.5V, II = –18mA
–1.5
V
VOH HIGH Level Output Voltage
IOH = –0.4mA
VCC – 2
V
VCC = 4.5V to 5.5V
VOL LOW Level Output Voltage
VCC = 4.5V IOL = 4mA
0.25
0.4
V
IOL = 8mA
0.35
0.5
II
Input Current at Max Input Voltage VCC = 5.5V, VI = 7V
0.1 mA
IIH HIGH Level Input Current
VCC = 5.5V, VI = 2.7V
20
µA
IIL LOW Level Input Current
IO(2) Output Drive Current
ICC Supply Current
VCC = 5.5V, VI = 0.4V
VCC = 5.5V, VO = 2.25V
VCC = 5.5V(3)
–0.1 mA
–30
–112 mA
16
24
mA
Notes:
1. All typical values are at VCC = 5V, TA = 25°C.
2. The output conditions have been chosen to produce a current that closely approximates one half of the true
short-circuit output current, IOS.
3. With the outputs open, CLK INH and CLK at 4.5V, and a clock pulse applied to the SH/LD input, ICC is measured first
with the parallel inputs at 4.5V, then with the parallel inputs grounded.
Switching Characteristics
Over recommended free air temperature range. All typical values are measured at VCC = 5V, TA = 25°C.
Symbol
Parameter
Input Output
Conditions Min. Typ. Max. Units
fMAX Maximum Frequency
VCC = 4.5V to 5.5V, 45
60
MHz
tPLH Propagation Delay Time,
Load QH or QH CL = 50pF,
LOW-to-HIGH Level Output
RL = 500Ω
4
13 20
ns
tPHL Propagation Delay Time,
Load QH or QH TA = Min. to Max.
4
14 22
ns
HIGH-to-LOW Level Output
tPLH Propagation Delay Time,
CLK QH or QH
LOW-to-HIGH Level Output
3
7
13
ns
tPHL Propagation Delay Time,
CLK QH or QH
HIGH-to-LOW Level Output
3
9
14
ns
tPLH Propagation Delay Time,
H
QH
LOW-to-HIGH Level Output
3
7
13
ns
tPHL Propagation Delay Time,
H
QH
HIGH-to-LOW Level Output
3
9
16
ns
tPLH Propagation Delay Time,
H
QH
LOW-to-HIGH Level Output
2
8
15
ns
tPHL Propagation Delay Time,
H
QH
HIGH-to-LOW Level Output
3
9
16
ns
©1986 Fairchild Semiconductor Corporation
DM74ALS165 Rev. 1.2
5
www.fairchildsemi.com
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