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SM803020 Datasheet, PDF (3/14 Pages) Micrel Semiconductor – Flexible Ultra-Low Jitter Clock Synthesizer
Micrel, Inc.
Pin Description
Pin Number
A19, A20
A17, A18
A15, A16
A13, A14
A10, A11
A8, A9
A36, A37
A38, A39
A40, A41
A42, A43
A1, A2
A3, A4
B12
B11
B40
A44
A21, A35
B18
B17
B8
B9
B33
B37
B2
B3
B20
B31
A27, B25
A28
B30
B36
B15
B16
B10
B13
Pin Name
QA1, /QA1
QA2, /QA2
QA3, /QA3
QB1, /QB1
QB2, /QB2
QB3, /QB3
QC1, /QC1
QC2, /QC2
QC3, /QC3
QD1, /QD1
QD2, /QD2
QD3, /QD3
FSEL_A
FSEL_B
FSEL_C
FSEL_D
VDD
VDDOA1
VDDOA2
VDDOA3
VDDOB1
VDDOB2
VDDOB3
VDDOC1
VDDOC2
VDDOC3
VDDOD1
VDDOD2
VDDOD3
VDDAP1
VDDAP2
VDDI1
VDDI2
VSS
(Exposed Pad)
VSSOA1
VSSOA2
VSSOA3
VSSOB1
VSSOB2
VSSOB3
Pin Type
O, (DIF/SE)
I, (SE)
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
PWR
Pin Level Pin Function
SM803020
LVPECL
Differential LVPECL (default), HCSL, or LVDS Clock
Outputs or Phase-Adjustable Differential or Single-Ended
CMOS Outputs
LVCMOS
Frequency Select, 75kΩ pull-up
1 = Primary Selection
0 = Secondary Selection
Power Supply
Power Supply for Outputs QA1−3
Power Supply for Outputs QB1−3
Power Supply for Outputs QC1−3
Power Supply for Outputs QD1−3
3.3V only
Power Supply for PLL1
Power Supply for PLL2
Power Supply for VCXO, Reference1, Feedback 1
Power Supply for XO, Reference2, Feedback 2
Core Power Supply Ground. The exposed pad must be
connected to the VSS ground plane.
Power Supply Ground for Outputs QA1−3
Power Supply Ground for Outputs QB1−3
July 22, 2013
3
Revision 1.0
hbwhelp@micrel.com or (408) 955-1690