HCF4538B 查看數據表（PDF） - STMicroelectronics
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HCF4538B Datasheet PDF : 10 Pages
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HCF4538B
DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb = 25°C, CL = 50pF, RL = 200KΩ, tr = tf = 20 ns)
Symbol
Parameter
VDD (V)
tTLH tTHL Transition Time
5
10
15
tPLH tPHL Propagation Delay Time
5
+TR or -TR to Q or Q
10
15
tPLH tPHL Propagation Delay Time
5
Reset to Q or Q
10
15
tWH tWL Minimum Input Pulse
5
Width +TR, -TR or Reset
10
15
tWT Output Pulse Width - Q or
5
Q (CX = 0.005 µF, RX =
10
10KΩ (1))
15
tWT Output Pulse Width - Q or
5
Q (CX = 0.1µF, RX =
10
100KΩ)
15
tWT Output Pulse Width - Q or
5
Q (CX = 10µF, RX =
10
100KΩ)
15
tW Pulse Width Match
5
Between Circuits in Same
10
Package : (100(T1 - T2)/T1)
(CX = 0.1µF, RX = 100KΩ)
15
trr Minimum Retrigger Time
5
10
15
CIN Input Capacitance
Any Input
(*) Typical temperature coefficient for all VDD value is 0.3 %/°C.
(1) Minimum RX value = 4KΩ , minimum CX value = 5000 pF
Test Condition
RL = 1KΩ
RL = 1KΩ
Value (*)
Unit
Min. Typ. Max.
100 200
50 100 ns
40 80
300 600
150 300 ns
100 200
250 500
125 250 ns
95 190
80 140
40 80 ns
30 60
57 60.6 64.5
55 58.9 63.0 µs
55 59.1 63.5
9.4 9.97 10.5
9.4 9.95 10.6 ms
9.5 10.0 10.6
0.95 1.0 1.06
0.95 1.0 1.06 s
0.96 1.0 1.07
±1
±1
%
±1
0
0
ns
0
5 7.5 pF
6/10
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