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U74HC123L-P16-R 数据表(PDF) 6 Page - Unisonic Technologies

部件名 U74HC123L-P16-R
功能描述  DUAL RETRIGGERABLE MONOSTABLE MULTIVIBRATOR WITH RESET
PDF  10 Pages
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制造商  UTC [Unisonic Technologies]
网页  http://www.utc-ic.com
标志 UTC - Unisonic Technologies

U74HC123L-P16-R 数据表(HTML) 6 Page - Unisonic Technologies

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U74HC123
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
6 of 10
www.unisonic.com.tw
QW-R502-A10.A
SWITCHING CHARACTERISTICS (tr = tf = 6ns, CL=50pF, TA =25°C, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX UNIT
Propagation Delay Time From nA , nB
to nQ or nQ
tPLH/tPHL
VCC=2V
CEXT=0pF
REXT=5k
83
255
ns
VCC=4.5V
30
51
VCC=5V, CL=15p
26
VCC=6V
24
43
Propagation Delay Time From
D
nR to
nQ or nQ
tPLH/tPHL
VCC=2V
CEXT=0pF
REXT=5k
66
215
ns
VCC=4.5V
24
43
VCC=5V, CL=15p
20
VCC=6V
19
37
Output transition time
tt
VCC=2V
19
75
ns
VCC=4.5V
7
15
VCC=6V
6
13
Trigger pulse width nA =LOW
tw
VCC=2V
100
8
ns
VCC=4.5V
20
3
VCC=6V
17
2
Trigger pulse width nB=HIGH
tw
VCC=2V
100
17
ns
VCC=4.5V
20
6
VCC=6V
17
5
Reset pulse width
D
nR =LOW
tw
VCC=2V
100
14
ns
VCC=4.5V
20
5
VCC=6V
17
4
Output pulse width
nQ=HIGH, nQ =LOW
tw
VCC=5V , CEXT=100nF, REXT=10k
450
μs
Output pulse width
nQ=HIGH, nQ =LOW
tw
VCC=5V , CEXT=0pF, REXT=5k
75
ns
Retrigger time nA , nB
trt
VCC=5V , CEXT=0pF, REXT=5k
110
ns
External timing resistor
REXT
VCC=2V
10
1000
kΩ
VCC=5V
2
1000
External timing capacitor
CEXT
VCC=5V
2
10000
pF
OPERATING CHARACTERISTICS (TA =25°C , unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP MAX UNIT
Power Dissipation Capacitance Per
monostable
CPD
54
pF



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