HEF4528BD Просмотр технического описания (PDF) - Philips Electronics
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HEF4528BD Datasheet PDF : 8 Pages
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Philips Semiconductors
Dual monostable multivibrator
Product specification
HEF4528B
MSI
External timing
resistor
External timing
capacitor
VDD
V
SYMBOL MIN. TYP. MAX.
5
5
− 2000 kΩ
10
Rt
15
5
− 2000 kΩ
5
− 2000 kΩ
5
no limits
10
Ct
15
no limits
no limits
Notes
1. Rt = 5 kΩ; Ct = 15 pF; for other Rt, Ct combinations and Ct < 0,01 µF see graph Fig.4.
2. Rt = 10 kΩ; Ct = 1000 pF; for other Rt, Ct combinations and Ct > 0,01 µF use formula tWO = K.Rt.Ct.
where: tWO = output pulse width (s)
Rt = external timing resistor (Ω)
Ct = external timing capacitor (F)
K = 0,42 for VDD = 5 V
K = 0,32 for VDD = 10 V
K = 0,30 for VDD = 15 V
3. Tamb = −40 to +85 °C; ∆tWO is referenced to tWO at Tamb = 25 °C.
January 1995
6
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