HCF4538B_01 Datasheet, PDF (6/10 Pages) STMicroelectronics – DUAL MONOSTABLE MULTIVIBRATOR

HCF4538B
DYNAMIC ELECTRICAL CHARACTERISTICS (T_amb = 25°C, C_L = 50pF, R_L = 200KΩ, t_r = t_f = 20 ns)
Symbol
Parameter
V_DD (V)
t_TLH t_THL Transition Time
5
10
15
t_PLH t_PHL Propagation Delay Time
5
+TR or -TR to Q or Q
10
15
t_PLH t_PHL Propagation Delay Time
5
Reset to Q or Q
10
15
t_WH t_WL Minimum Input Pulse
5
Width +TR, -TR or Reset
10
15
t_WT Output Pulse Width - Q or
5
Q (C_X = 0.005 µF, R_X =
10
10KΩ ⁽¹⁾)
15
t_WT Output Pulse Width - Q or
5
Q (C_X = 0.1µF, R_X =
10
100KΩ)
15
t_WT Output Pulse Width - Q or
5
Q (C_X = 10µF, R_X =
10
100KΩ)
15
t_W Pulse Width Match
5
Between Circuits in Same
10
Package : (100(T₁ - T₂)/T₁)
(C_X = 0.1µF, R_X = 100KΩ)
15
t_rr Minimum Retrigger Time
5
10
15
C_IN Input Capacitance
Any Input
(*) Typical temperature coefficient for all V_DD value is 0.3 %/°C.
(1) Minimum R_X value = 4KΩ , minimum C_X value = 5000 pF
Test Condition
R_L = 1KΩ
R_L = 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
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