BU4538B Datasheet, PDF (3/5 Pages) Rohm – Dual precision monostable multivibrator

Standard ICs
BU4538B
Switching characteristics (unless otherwise noted, Ta = 25°C, CL = 50pF, VSS = 0V)
Parameter
Symbol Min. Typ. Max. Unit
VDD (V)
Conditions
—
100
—
5
Output rise time
tTLH
—
50
—
ns
10
—
—
40
—
15
—
100
—
5
Output fall time
tTHL
—
50
—
ns
10
—
—
40
—
15
—
300
—
5
Propagation delay
tPLH
time A, B to Q, Q
tPHL
—
150
—
ns
10
—
—
100
—
15
—
250
—
5
Propagation delay
tPLH
time CD to Q, Q
tPHL
—
125
—
ns
10
—
—
95
—
15
—
50
—
5
Minimum input
tWIN
—
30
—
ns
10
—
pulse width
—
25
—
15
185 200 215
5
Output pulse width 1 tWOUT1
185
200
215
µs
10
CX = 2000pF, RX = 100kΩ
185 200 215
15
8.8
9.4 10.0
5
Output pulse width 2 tWOUT2
8.8
9.4 10.0 ms
10
CX = 0.1µF, RX = 100kΩ
8.8
9.4 10.0
15
—
0
—
5
Minimum retrigger
trr
—
0
—
ns
10
—
time
—
0
—
15
Input capacitance
CIN
—
5
—
pF
—
—
•^{Recommended operating conditions}
Parameter
Symbol Min.
External timing resistance
RX
5
External timing capacitance
CX
Typ.
—
No Limit
Max.
1000
Unit Conditions
kΩ
—
pF
—
3