参数资料
型号: ICS514MLF
厂商: IDT, Integrated Device Technology Inc
文件页数: 3/7页
文件大小: 0K
描述: IC PLL CLOCK GENERATOR 8-SOIC
产品培训模块: Clock Distibution and Generation 1.0
标准包装: 97
系列: LOCO™
类型: 时钟发生器,扇出配送
PLL: 带旁路
输入: 时钟,晶体
输出: CMOS
电路数: 1
比率 - 输入:输出: 1:2
差分 - 输入:输出: 无/无
频率 - 最大: 140MHz
除法器/乘法器: 无/是
电源电压: 3 V ~ 5.5 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: 管件
其它名称: 514MLF
ICS514
LOCO PLL CLOCK GENERATOR
CLOCK MULTIPLIER
IDT / ICS LOCO PLL CLOCK GENERATOR
3
ICS514
REV G 051310
External Components
Decoupling Capacitor
As with any high-performance mixed-signal IC, the
ICS514 must be isolated from system power supply
noise to perform optimally.
A decoupling capacitor of 0.01F must be connected
between VDD and the GND. It must be connected close
to the ICS514 to minimize lead inductance. No external
power supply filtering is required for the ICS514.
Series Termination Resistor
A 33
terminating resistor can be used next to the CLK
and REF pins for trace lengths over one inch.
Crystal Load Capacitors
The total on-chip capacitance is approximately 12 pF. A
parallel resonant, fundamental mode crystal should be
used. The device crystal connections should include
pads for small capacitors from X1 to ground and from
X2 to ground. These capacitors are used to adjust the
stray capacitance of the board to match the nominally
required crystal load capacitance. Because load
capacitance can only be increased in this trimming
process, it is important to keep stray capacitance to a
minimum by using very short PCB traces (and no vias)
between the crystal and device. Crystal capacitors, if
needed, must be connected from each of the pins X1
and X2 to ground.
The value (in pF) of these crystal caps should equal (CL
-12 pF)*2. In this equation, CL= crystal load capacitance
in pF. Example: For a crystal with a 16 pF load
capacitance, each crystal capacitor would be 8 pF
[(16-12) x 2 = 8].
Absolute Maximum Ratings
Stresses above the ratings listed below can cause permanent damage to the ICS514. These ratings, which
are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the
device at these or any other conditions above those indicated in the operational sections of the
specifications is not implied. Exposure to absolute maximum rating conditions for extended periods can
affect product reliability. Electrical parameters are guaranteed only over the recommended operating
temperature range.
Item
Rating
Supply Voltage, VDD
7 V
All Inputs and Outputs (referenced to GND)
-0.5 V to VDD+0.5 V
Ambient Operating Temperature
0 to +70
° C
Storage Temperature
-65 to +150
° C
Soldering Temperature
260
° C
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