HCC4538B Datasheet, PDF (5/14 Pages) STMicroelectronics – DUAL MONOSTABLE MULTIVIBRATOR

HCC/HCF4538B
DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb = 25 ^oC, CL = 50 pF, RL = 200 KΩ,
typical temperature coefficent for all VDD values is 03 %/^oC, all input rise and fall times= 20 ns)
Symbol
Parameter
tTLH Transition Time
tTHL
t_PLH Propagation Delay Time
t_PHL +TR or -TR to Q or Q
t_PLH Propagation Delay Time
t_PHL Reset to Q or Q
tWH Minimum Input Pulse Width
tWL +TR, -TR or Reset
t_WT Output Pulse Width - Q or Q
(CX = 0.005 µF, RX = 10 KΩ *)
t_WT Output Pulse Width - Q or Q
(C_X = 0.1 µF, R_X = 100 KΩ)
tWT Output Pulse Width - Q or Q
(C_X = 10 µF, R_X = 100 KΩ)
tW
Pulse Width Match Between
Circuits in Same Package:
(CX = 0.1 µF, RX = 100 KΩ)
100 (T₁ − T₂)
T₁
t_rr
Minimum Retrigger Time
C_IN Input Capacitance
* Minimum RX value = 4 KΩ, minimum CX value = 500 pF
Test Conditions
Value
Unit
VDD (V) Min. Typ. Max.
5
100 200
10
50 100
ns
15
40 80
5
300 600
10
150 300
ns
15
100 220
R_L = 1KΩ
5
10
250 500
125 250
ns
15
95 190
RL = 1KΩ
5
10
80 140
40 80
ns
15
30 60
5
57 60.6 64.5
10
55 58.9 63.0 ^µs
15
55 59.1 63.5
5
9.4 9.97 10.5
10
9.4 9.95 10.6 ^ms
15
9.5 10.00 10.6
5
0.95 1.00 1.06
10 0.95 1.00 1.06
s
15 0.96 1.00 1.07
5
±1
10
±1
%
15
±1
5
0
10
0
ns
15
0
Any
Input
5
7.5
pF
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