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参数资料
| 型号： | ICS251PMLFT |
| 厂商： | IDT, Integrated Device Technology Inc |
| 文件页数： | 1/10页 |
| 文件大小： | 0K |
| 描述： | IC CLK SYNTHESIZER FP SGL 8-SOIC |
| 标准包装： | 2,500 |
| 系列： | VersaClock™ |
| 类型： | 时钟/频率合成器，扩展频谱时钟发生器 |
| PLL： | 是 |
| 输入： | 时钟，晶体 |
| 输出： | CMOS |
| 电路数： | 1 |
| 比率 - 输入:输出： | 1:1 |
| 差分 - 输入:输出： | 无/无 |
| 频率 - 最大： | 200MHz |
| 除法器/乘法器： | 是/无 |
| 电源电压： | 3.15 V ~ 3.45 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SOIC |
| 包装： | 带卷 (TR) |
| 其它名称： | 251PMLFT |
DATASHEET
FIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER
ICS251
IDT FIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER
1
ICS251
REV D 030212
Description
The ICS251 is a low cost, single-output, field programmable
clock synthesizer. The ICS251 can generate an output
frequency from 314 kHz to 200 MHz and may employ
Spread Spectrum techniques to reduce system
electro-magnetic interference (EMI).
Using IDT’s VersaClocksoftware to configure the PLL and
output, the ICS251 contains a One-Time Programmable
(OTP) ROM to allow field programmability. Programming
features include 4 selectable configuration registers.
The device employs Phase-Locked Loop (PLL) techniques
to run from a standard fundamental mode, inexpensive
crystal, or clock. It can replace multiple crystals and
oscillators, saving board space and cost.
The device also has a power-down feature that tri-states the
clock outputs and turns off the PLLs when the PDTS pin is
taken low.
The ICS251 is also available in factory programmed custom
versions for high-volume applications.
Features
8-pin SOIC package
Four addressable registers
Input crystal frequency of 5 to 27 MHz
Clock input frequency of 3 to 150 MHz
Output clock frequencies up to 200 MHz
Configurable Spread Spectrum Modulation
Operating voltage of 3.3 V
Replaces multiple crystals and oscillators
Controllable output drive levels
Advanced, low-power CMOS process
Available in RoHS compliant packaging
Block Diagram
Crystal
Oscillator
PLL Clock Synthesis,
Spread Spectrum and
Control Circuitry
CLK
PDTS (output and PLL)
OTP ROM
with PLL
Divider
Values
S1:0
2
VDD
GND
X2
Crystal or
clock input
External capacitors are
required with a crystal input.
X1/ICLK
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS251PMT | 功能描述:IC CLK SYNTHESIZER FP SGL 8-SOIC RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:VersaClock™ 标准包装:2,000 系列:- 类型:PLL 时钟发生器 PLL:带旁路 输入:LVCMOS，LVPECL 输出:LVCMOS 电路数:1 比率 - 输入:输出:2:11 差分 - 输入:输出:是/无 频率 - 最大:240MHz 除法器/乘法器:是/无 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:32-LQFP 供应商设备封装:32-TQFP（7x7） 包装:带卷 (TR) |
| ICS252 | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:FIELD PROGRAMMABLE DUAL OUTPUT SS VERSACLOCK SYNTHESIZER |
| ICS252MI-52LF | 制造商:Integrated Device Technology Inc 功能描述:IC CLK SYNTHESIZER PLL 8SOIC 制造商:Integrated Device Technology Inc 功能描述:IC CLK SYNTHESIZER FP DUAL 8SOIC |
| ICS252MI-52LFT | 制造商:Integrated Device Technology Inc 功能描述:IC CLK SYNTHESIZER PLL 8SOIC 制造商:Integrated Device Technology Inc 功能描述:IC CLK SYNTHESIZER FP DUAL 8SOIC |
| ICS252MIP | 制造商:ICS 制造商全称:ICS 功能描述:Field Programmable Dual Output SS VersaClock Synthesizer |
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