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Part Name
Description
HCF4521B View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
HCF4521B
24 STAGE FREQUENCY DIVIDER
STMicroelectronics
HCF4521B Datasheet PDF : 12 Pages
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HCF4521B
IINPUT EQUIVALENT CIRCUIT
BLOCK DIAGRAM
PIN DESCRIPTION
PIN No
10, 11, 12,
13, 14, 15, 1
2
4
7
9
6
3
5
8
16
SYMBOL NAME AND FUNCTION
Q18 to Q24 Outputs Counter
RESET
OUT2
OUT1
IN1
IN2
V
SS1
V
DD1
V
SS
V
DD
Reset Input
Output Crystal Oscillator
Output RC Oscillator
Clock Input
Clock Input
Ext. Neg. Supply Voltage
Ext. Pos. Supply Voltage
Negative Supply Voltage
Positive Supply Voltage
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