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| 型号： | ICS951403YFLF-T |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 166.67 MHz, PROC SPECIFIC CLOCK GENERATOR, PDSO48 |
| 封装： | 0.300 INCH, LEAD FREE, MO-118, SSOP-48 |
| 文件页数： | 5/18页 |
| 文件大小： | 639K |
| 代理商： | ICS951403YFLF-T |
13
ICS951403
0486B—02/23/04
Fig. 1
Shared Pin Operation -
Input/Output Pins
The I/O pins designated by (input/output) 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.
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 |
|---|---|
| ICS951403YGLF-T | 制造商:ICS 制造商全称:ICS 功能描述:AMD-K7 System Clock Chip |
| ICS951411 | 制造商:ICS 制造商全称:ICS 功能描述:System Clock Chip for ATI RS400 P4TM-based Systems |
| ICS951411BGLF | 功能描述:IC SYSTEM CLOCK CHIP P4 56-TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:PCI Express® (PCIe) 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 |
| ICS951411BGLFT | 功能描述:IC SYSTEM CLOCK CHIP P4 56-TSSOP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:PCI Express® (PCIe) 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 |
| ICS951411YFLFT | 制造商:ICS 制造商全称:ICS 功能描述:System Clock Chip for ATI RS400 P4TM-based Systems |
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