HEF4521B View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
HEF4521B Datasheet PDF : 11 Pages
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Philips Semiconductors
24-stage frequency divider and oscillator
APPLICATION INFORMATION
Product specification
HEF4521B
MSI
(1) Optional for low power operation.
Fig.6 Crystal oscillator circuit.
Typical characteristics for crystal oscillator circuit (Fig.6):
Crystal characteristics
resonance frequency
crystal cut
equivalent resistance; RS
External resistor/capacitor values
Ro
CT
CS
500 kHz
CIRCUIT
500
S
1
47
82
20
50 kHz
CIRCUIT
50
N
6,2
750
82
20
UNIT
kHz
−
kΩ
kΩ
pF
pF
January 1995
8
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