Owner's manual

3
Standard ICs BU4538B
Parameter Symbol Min. Typ. Max. Unit Conditions
t
TLH
100
ns
5
50 10
40 15
t
THL
100
ns
5
50 10
40 15
t
PLH
tPHL
300
ns
5
150 10
100 15
t
PLH
tPHL
250
ns
5
125 10
95 15
t
WIN
50
ns
5
30 10
25 15
t
WOUT1
185 200 215
µ
s
5
185 200 215 10
185 200 215 15
t
WOUT2
8.8 9.4 10.0
ms
5
8.8 9.4 10.0 10
8.8 9.4 10.0 15
t
rr
0
ns
5
0 10
0 15
C
IN 5 pF ——
C
X = 2000pF, RX = 100k
C
X = 0.1µ
F, R
X = 100k
V
DD
(
V
)
Output rise time
Output fall time
Propagation delay
time A, B to Q, Q
Propagation delay
time C
D to Q, Q
Minimum input
pulse width
Output pulse width 1
Output pulse width 2
Minimum retrigger
time
Input capacitance
Switching characteristics (unless otherwise noted, Ta = 25°C, CL = 50pF, VSS = 0V)
Recommended operating conditions
Parameter Symbol Min. Typ. Max. Unit Conditions
R
X 5
1000 k
C
X No Limit pF
External timing resistance
External timing capacitance