參數(shù)資料
型號(hào): ICS487G-25LFT
廠商: IDT, Integrated Device Technology Inc
文件頁(yè)數(shù): 2/7頁(yè)
文件大?。?/td> 0K
描述: IC QUAD PLL FOR DTV 16-TSSOP
標(biāo)準(zhǔn)包裝: 2,500
類型: 鎖相環(huán)路(PLL)
PLL:
輸入: 時(shí)鐘,晶體
輸出: LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 2:5
差分 - 輸入:輸出: 無(wú)/無(wú)
頻率 - 最大: 48MHz
除法器/乘法器: 無(wú)/無(wú)
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 16-TSSOP
包裝: 帶卷 (TR)
其它名稱: 487G-25LFT
ICS487-25
QUAD PLL FOR DTV
CLOCK SYNTHESIZER
IDT / ICS QUAD PLL FOR DTV
2
ICS487-25
REV B 092109
Pin Assignment
ACLK Output Selection Table
Note: When S1 and S0 are switched, all other output
clocks will remain stable throughout the transition.
Pin Descriptions
12
1
11
2
10
3
9
X1/ICLK
4
S0
5
S1
6
VDD
7
48M
8
VDD
PDTS
GND
VDD
GND
ACLK
20M
33.0M
16
15
14
13
24.576M
X2
16 pin (173 mil) TSSOP
S1
S0
ACLK (MHz)
0
18.432
0
1
16.9344
1
0
12.288
1
18.432
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
X1/ICLK
Input
Crystal connection. Connect to 27 MHz crystal or clock input.
2
S0
Input
Select pin 0. Determines ACLK output frequency per table above.
Internal pull up resistor.
3
S1
Input
Select pin 1. Determines ACLK output frequency per table above.
Internal pull up resistor.
4
48M
Output
48 MHz clcok output. Weak internal pull-down when tri-state.
5
VDD
Power
Connect to +3.3 V.
6
GND
Power
Connect to ground.
7
20M
Output
20 MHz clock output. Weak internal pull-down when tri-state.
8
24.576M
Output
24.576 MHz clock output. Weak internal pull-down when tri-state.
9
ACLK
Output
Audio clock output. Determined by table above. Weak internal
pull-down when tri-state
10
33.0M
Output
33.0 MHz clock output. Weak internal pull-down when tri-state.
11
GND
Power
Connect to ground.
12
VDD
Power
Connect to +3.3 V.
13
GND
Power
Connect to ground.
14
PDTS
Input
Powers down entire chip and tri-states outputs when low. Internal
pull-up resistor.
15
VDD
Power
Connect to +3.3 V.
16
X2
Input
Connect to 27 MHz crystal or float for clock input.
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ICS487G-25T 功能描述:IC QUAD PLL FOR DTV 16-TSSOP RoHS:否 類別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘發(fā)生器,PLL,頻率合成器 系列:- 產(chǎn)品變化通告:Product Discontinuation 04/May/2011 標(biāo)準(zhǔn)包裝:96 系列:- 類型:時(shí)鐘倍頻器,零延遲緩沖器 PLL:帶旁路 輸入:LVTTL 輸出:LVTTL 電路數(shù):1 比率 - 輸入:輸出:1:8 差分 - 輸入:輸出:無(wú)/無(wú) 頻率 - 最大:133.3MHz 除法器/乘法器:是/無(wú) 電源電壓:3 V ~ 3.6 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:16-TSSOP(0.173",4.40mm 寬) 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:管件 其它名稱:23S08-5HPGG
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