hbwhelp@micrel.com or (408) 955-1690 Pin Description (" />
參數(shù)資料
型號: SM802116UMG TR
廠商: Micrel Inc
文件頁數(shù): 6/12頁
文件大?。?/td> 0K
描述: IC SYNTHSZR 106.25/212.5MHZ 24QF
標(biāo)準(zhǔn)包裝: 1
系列: ClockWorks™, RotaryWave™
類型: 時鐘/頻率合成器
PLL: 帶旁路
輸入: LVCMOS,晶體
輸出: LVDS
電路數(shù): 1
比率 - 輸入:輸出: 2:2
差分 - 輸入:輸出: 無/是
頻率 - 最大: 212.5MHz
除法器/乘法器: 是/無
電源電壓: 2.375 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 24-VFQFN 裸露焊盤
供應(yīng)商設(shè)備封裝: 24-QFN(4x4)
包裝: 標(biāo)準(zhǔn)包裝
其它名稱: 576-3975-6
Micrel, Inc.
SM802116
July 2011
3
M9999-071811-A
hbwhelp@micrel.com or (408) 955-1690
Pin Description (Continued)
Pin Number
Pin Name
Pin Type
Pin Level
Pin Function
5, 11, 16, 18
TEST
Factory Test pins, Do not connect anything to these pins.
1
VDD
PWR
Core Power Supply
13, 14, 15
VSS
PWR
Core Power Supply Ground
17
VDDO1
PWR
Power Supply for Output Bank 1
21
VSSO1
PWR
Power Supply Ground for Output Bank 1
8
REF_IN
I, (SE)
LVCMOS
Reference Clock Input
9
XTAL_IN
I, (SE)
12pF crystal
Crystal Reference Input, no load caps needed.
(see Figure 5)
10
XTAL_OUT
O, (SE)
12pF crystal
Crystal Reference Output, no load caps needed.
(se Figure 5)
6
FSEL
I, (SE)
LVCMOS
Frequency Select, 1 = 106.25MHz, 0 = 212.5MHz,
45K pull-up
7
OE1
I, (SE)
LVCMOS
Output Enable, Q1 disables to tri-state,
0 = Disabled, 1 = Enabled, 45K pull-up
12
OE2
I, (SE)
LVCMOS
Output Enable, Q2 disables to tri-state,
0 = Disabled, 1 = Enabled, 45K pull-up
Truth Tables
PLL_BYPASS
XTAL_SEL
OE2
OE1
INPUT
OUTPUT
0
1
PLL
1
1
XTAL/REF_IN
0
1
REF_IN
1
XTAL
0
1
Q2 Tri-state
1
0
Q1 Tri-state
FSEL
Output Frequency
(MHz)
0
212.5
1
106.25
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