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参数资料
| 型号： | ICS951901YF-T |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 133.34 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | 0.300 INCH, MO-118, SSOP-48 |
| 文件页数： | 6/19页 |
| 文件大小： | 274K |
| 代理商： | ICS951901YF-T |
14
ICS951901
Third party brands and names are the property of their respective owners.
Fig. 1
Shared Pin Operation -
Input/Output Pins
The I/O pins designated by (input/output) on the ICS951901
serve as dual signal functions to the device. During initial
power-up, they act as input pins. The logic level (voltage) that
is present on these pins at this time is read and stored into a
5-bit internal data latch. At the end of Power-On reset, (see
AC characteristics for timing values), the device changes the
mode of operations for these pins to an output function. In
this mode the pins produce the specified buffered clocks to
external loads.
To program (load) the internal configuration register for these
pins, a resistor is connected to either the VDD (logic 1) power
supply or the GND (logic 0) voltage potential. A 10 Kilohm
(10K) resistor is used to provide both the solid CMOS
programming voltage needed during the power-up
programming period and to provide an insignificant load on
the output clock during the subsequent operating period.
Via to
VDD
Clock trace to load
Series Term. Res.
Programming
Header
Via to Gnd
Device
Pad
2K
W
8.2K
W
Figure 1 shows a means of implementing this function when
a switch or 2 pin header is used. With no jumper is installed
the pin will be pulled high. With the jumper in place the pin
will be pulled low. If programmability is not necessary, than
only a single resistor is necessary.The programming resistors
should be located close to the series termination resistor to
minimize the current loop area. It is more important to locate
the series termination resistor close to the driver than the
programming resistor.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS951AI147L | 制造商:IDT 制造商全称:Integrated Device Technology 功能描述:LOW SKEW, 1-TO-9 DIFFERENTIAL-TOLVCMOS ZERO DELAY BUFFER |
| ICS952001 | 制造商:ICS 制造商全称:ICS 功能描述:Preliminary Product Previes |
| ICS952001AF | 功能描述:IC TIMING CTRL HUB P4 48-SSOP RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:TCH™ 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
| ICS952001AFLF | 功能描述:IC TIMING CTRL HUB P4 48-SSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:TCH™ 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP（0.209"，5.30mm 宽） 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT |
| ICS952001AFLFT | 功能描述:IC TIMING CTRL HUB P4 48-SSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:TCH™ 标准包装:28 系列:- 类型:时钟/频率发生器 PLL:是 主要目的:Intel CPU 服务器 输入:时钟 输出:LVCMOS 电路数:1 比率 - 输入:输出:3:22 差分 - 输入:输出:无/是 频率 - 最大:400MHz 电源电压:3.135 V ~ 3.465 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:64-TFSOP （0.240"，6.10mm 宽） 供应商设备封装:64-TSSOP 包装:管件 |
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