HEF4047B 查看數據表（PDF） - Philips Electronics
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HEF4047B Datasheet PDF : 15 Pages
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Philips Semiconductors
Monostable/astable multivibrator
Product specification
HEF4047B
MSI
b. Variations due to changes in VDD
In addition to variations from unit-to-unit, the astable period may vary as a function of frequency with respect to VDD.
Typical variations are presented graphically in Figs 5 and 6 with 10 V as a reference.
Fig.5 Typical O and O period accuracy as a function of supply voltage; astable mode; Tamb = 25 °C.
CURVE
fO
Ct
Rt
kHz
pF
kΩ
A
10
100
220
B
5
100
470
C
1
1000
220
January 1995
9
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