HEF4521B 查看數據表（PDF） - NXP Semiconductors.
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HEF4521B Datasheet PDF : 18 Pages
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NXP Semiconductors
4. Functional diagram
A2
6
3 VSS1
5
VDD1
HEF4521B
24-stage frequency divider and oscillator
4
2
9
Y2 MR
A1
CP
STAGES 1 to 8
CD
Q8
CP
STAGES 9 to 16
CD
Q16
CP
STAGES 17 to 24
CD
Fig 1. Functional diagram
VDD1
A2
Q24 Q18 Q19 Q20 Q21 Q22 Q23
1 10 11 12 13 14 15
Y1
7
001aae708
to FFs
VDD
to logic
VSS1
Y2
Fig 2. Schematic diagram of clock input circuitry
VSS
001aae711
HEF4521B
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 21 November 2011
© NXP B.V. 2011. All rights reserved.
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