SM802109 Datasheet, PDF (2/11 Pages) Micrel Semiconductor – ClockWorks™ PCI-e Quad 100MHz Ultra-Low Jitter, HCSL Frequency Synthesizer

Micrel, Inc.
Ordering Information⁽¹⁾
Part Number
Marking
Shipping
SM802109UMG
802109
Tube
SM802109UMGTR
802109
Tape and Reel
Note:
1. Devices are Green, RoHS, and PFOS compliant.
Pin Configuration
Temperature Range
–40°C to +85°C
–40°C to +85°C
SM802109
Package
24-Pin QFN
24-Pin QFN
Pin Description
Pin Number
16, 17
20, 21
23, 24
3, 4
1
2
Pin Name
/Q0, Q0
/Q1, Q1
/Q2, Q2
/Q3, Q3
VDDO2
VSSO2
5
PLL_BYPASS
6
XTAL_SEL
24-Pin QFN
(Top View)
Pin Type
O, (DIF)
O, (DIF)
PWR
PWR
I, (SE)
I, (SE)
Pin Level
HCSL
HCSL
LVCMOS
LVCMOS
Pin Function
Differential Clock Outputs from Bank 1 100MHz
Differential Clock Outputs from Bank 2 100MHz
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 pulldown
Selects PLL Input Reference Source
0 = REF_IN, 1 = XTAL, 45KΩ pullup
September 2011
2
M9999-092911-B
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