参数资料
型号: ICS291PGLFT
厂商: IDT, Integrated Device Technology Inc
文件页数: 3/10页
文件大小: 0K
描述: IC CLK SYNTH TRPL PLL 20-TSSOP
标准包装: 2,500
系列: VersaClock™
类型: 时钟/频率合成器
PLL: 带旁路
输入: 时钟,晶体
输出: CMOS
电路数: 1
比率 - 输入:输出: 1:6
差分 - 输入:输出: 无/无
频率 - 最大: 200MHz
除法器/乘法器: 是/是
电源电压: 3.135 V ~ 3.465 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 带卷 (TR)
其它名称: 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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