SM802123 Datasheet, PDF (2/12 Pages) Micrel Semiconductor – ClockWorks™ 125MHz/25MHz Ultra-Low Jitter, LVCMOS Frequency Synthesizer

Micrel, Inc.
Ordering Information
Part Number
Marking
SM802123UMG
802123
SM802123UMGTR
802123
Note:
1. Devices are Green, RoHS, and PFOS compliant.
Pin Configuration
SM802123
Shipping
Tray
Tape and Reel
Junction Temperature
Range⁽¹⁾
–40°C to +85°C
–40°C to +85°C
Package
44-Pin QFN
44-Pin QFN
44-Pin QFN
(Top View)
Pin Description
Pin Number
25, 26
28, 29
32, 33
35, 36
41, 42
1, 2
4, 5
7, 8
31, 37, 38
43, 44, 16
24, 39
3, 6, 40
11, 14, 18, 19,
20, 27, 30, 34
12, 13
Pin Name
Q1, Q2
Q3, Q4
/Q5, /Q6
/Q7, /Q8
Q9, Q10
/Q11, /Q12
/Q13, /Q14
Q15, Q16
VDDO1
VDDO2
VSSO1
VSSO2
TEST
VDD
10, 21, 23 VSS (Exposed Pad)
Pin Type
O, (DIF)
O, (DIF)
PWR
PWR
PWR
PWR
PWR
PWR
Pin Level Pin Function
LVCMOS Clock Outputs from Bank 1 (25MHz) .
LVCMOS Clock Outputs from Bank 2 (125MHz).
Power Supply for the Outputs on Bank 1.
Power Supply for the Outputs on Bank 2.
Power Supply Ground for the Outputs on Bank 1.
Power Supply Ground for the Outputs on Bank 2.
Factory Test Pins. Do not connect anything to these pins.
Core Power Supply.
Core Power Supply Ground. The exposed pad must be
connected to the VSS ground plane.
January 2012
2
M9999-012312-A
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