SM802105 Datasheet, PDF (2/11 Pages) Micrel Semiconductor – ClockWork 10GbE (156.25MHz, 312.5MHz), Ultra-Low Jitter, LVPECL Frequency Synthesizer

Micrel, Inc.
Ordering Information
Part Number
Marking
Shipping
SM802105UMG
802105
Tube
SM802105UMGR
802105
Tape and Reel
Note:
1. Devices are Green, RoHS, and PFOS compliant.
Pin Configuration
Junction Temperature Range⁽¹⁾
–40°C to +85°C
–40°C to +85°C
SM802105
Package
24-Pin QFN
24-Pin QFN
24-Pin QFN (code)
(Top View)
Pin Description
Pin Number
Pin Name
19, 20
/Q1, Q1
22, 23
24
2
/Q2, Q2
VDDO2
VSSO2
Pin Type
O, (DIF)
O, (DIF)
PWR
PWR
3
PLL_BYPASS
I, (SE)
4
April 2011
XTAL_SEL
I, (SE)
Pin Level
LVPECL
LVPECL
LVCMOS
LVCMOS
Pin Function
Differential Clock Output from Bank 1
156.25MHz or 312.5MHz
Differential Clock Output from Bank 2
156.25MHz or 312.5MHz
Power Supply for Output Bank 2
Power Supply Ground for Output Bank 2
PLL Bypass, Selects Output Source
0 = Normal PLL Operation
1 = Output from Input Reference Clock or Crystal
45KΩ pull-down
Selects PLL Input Reference Source
0 = REF_IN, 1 = XTAL, 45KΩ pull-up
2
M9999-042111-A
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