參數(shù)資料
型號(hào): SM802108UMG
廠商: MICREL INC
元件分類: 時(shí)鐘產(chǎn)生/分配
英文描述: 156.25 MHz, OTHER CLOCK GENERATOR, QCC24
封裝: 4 X 4 MM, GREEN, QFN-24
文件頁數(shù): 4/11頁
文件大?。?/td> 457K
代理商: SM802108UMG
Micrel, Inc.
SM802108
January 2011
2
M9999-012111-A
hbwhelp@micrel.com or (408) 955-1690
Ordering Information
Part Number
Marking
Shipping
Junction Temperature Range
Package
SM802108UMG
802108
Tube
–40°C to +85°C
24-Pin QFN
SM802108UMGR
802108
Tape and Reel
–40°C to +85°C
24-Pin QFN
Note:
1. Devices are Green, RoHS, and PFOS compliant.
Pin Configuration
24-Pin QFN
(Top View)
Pin Description
Pin Number
Pin Name
Pin Type
Pin Level
Pin Function
16, 17
20, 21
/Q0, Q0
/Q1, Q1
O, (DIF)
LVPECL
Differential Clock Outputs from Bank 1
156.25MHz
23, 24
3, 4
/Q2, Q2
/Q3, Q3
O, (DIF)
LVPECL
Differential Clock Outputs from Bank 2
125MHz
1
VDDO2
PWR
Power Supply for Output Bank 2
2
VSSO2
PWR
Power Supply Ground for Output Bank 2
5
PLL_BYPASS
I, (SE)
LVCMOS
PLL Bypass, Selects Output Source
0 = Normal PLL Operation
1 = Output from Input Reference Clock or Crystal
45K pull-down
6
XTAL_SEL
I, (SE)
LVCMOS
Selects PLL Input Reference Source
0 = REF_IN, 1 = XTAL, 45K pull-up
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