SY89426 데이터 시트보기 (PDF) - Micrel
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SY89426 Datasheet PDF : 7 Pages
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Micrel, Inc.
FUNCTIONAL BLOCK DIAGRAM
Precision Edge®
SY89426
RFCK
(TTL)
SEL39
(TTL)
SEL78
(TTL)
VCCA GND
5
7
FLTRP/N
Φ/f
CHG
PUMP
622MHz
VCO
FEEDBACK DIVIDER
÷ 2/3/4
÷4
VCCO
RST
(TTL)
CK622P
(PECL)
CK622N
CK155
(PECL)
RETRFCK
(TTL)
DISC
(TTL)
REFERENCE FREQUENCY SELECTION(1)
SEL39
SEL78
0
0
0
1
1
0
1
1
NOTE:
1. Airflow greater than 500lfpm is maintained.
fRFCK
51.84
77.76
38.88
77.76
M9999-112105
hbwhelp@micrel.com or (408) 955-1690
3
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