參數(shù)資料
型號: ICS291PGLFT
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 3/10頁
文件大?。?/td> 0K
描述: IC CLK SYNTH TRPL PLL 20-TSSOP
標準包裝: 2,500
系列: VersaClock™
類型: 時鐘/頻率合成器
PLL: 帶旁路
輸入: 時鐘,晶體
輸出: CMOS
電路數(shù): 1
比率 - 輸入:輸出: 1:6
差分 - 輸入:輸出: 無/無
頻率 - 最大: 200MHz
除法器/乘法器: 是/是
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: 20-TSSOP(0.173",4.40mm 寬)
供應商設備封裝: 20-TSSOP
包裝: 帶卷 (TR)
其它名稱: 291PGLFT
ICS291
TRIPLE PLL FIELD PROG. SPREAD SPECTRUM CLOCK SYNTHESIZER
EPROM CLOCK SYNTHESIZER
IDT / ICS TRIPLE PLL FIELD PROG. SPREAD SPECTRUM CLOCK SYNTHESIZER 2
ICS291
REV F 051310
Pin Assignment
Pin Descriptions
13
4
12
5
11
VDD
8
9
10
GND
CLK2
CLK5
CLK1
CLK3
CLK6
17
16
VDDO2
3
S1
GND
S2
18
PDTS
1
S0
VDD
20
X2
19
14
2
7
GND
VDDO1
VDD
CLK4
15
6
20 pin (173 mil) TSSOP
X1/ICLK
Pin
Number
Pin
Name
Pin
Type
Pin Description
1
GND
Power
Connect to ground.
2
S0
Input
Select pin 0. Internal pull-up resistor.
3
S1
Input
Select pin 1. Internal pull-up resistor.
4VDD
Power
Connect to +3.3 V.
5
VDDO1
Power
Power supply for outputs CLK1-CLK3.
6
CLK1
Output
Output clock 1. Weak internal pull-down when tri-state.
7
CLK2
Output
Output clock 2. Weak internal pull-down when tri-state.
8
CLK3
Output
Output clock 3. Weak internal pull-down when tri-state.
9
GND
Power
Connect to ground.
10
X1/ICLK
XI
Crystal input. Connect this pin to a crystal or external input clock.
11
X2
XO
Crystal Output. Connect this pin to a crystal. Float for clock input.
12
VDD
Power
Connect to +3.3 V.
13
VDDO2
Power
Power supply for outputs CLK4-CLK6.
14
CLK4
Output
Output clock 4. Weak internal pull-down when tri-state.
15
CLK5
Output
Output clock 5. Weak internal pull-down when tri-state.
16
CLK6
Output
Output clock 6. Weak internal pull-down when tri-state.
17
GND
Power
Connect to ground.
18
PDTS
Input
Power-down tri-state. Powers down entire chip and tri-states clock outputs
when low. Internal pull-up resistor.
19
VDD
Power
Connect to +3.3 V.
20
S2
Input
Select pin 2. Internal pull-up resistor.
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