参数资料
型号: SY100EL38LZI
厂商: Micrel Inc
文件页数: 1/6页
文件大小: 0K
描述: IC CLK GEN /2 /4/6 5/3.3V 20SOIC
标准包装: 38
系列: 100EL, Precision Edge®
类型: 时钟发生器
PLL:
输入: ECL,PECL
输出: 时钟
电路数: 1
比率 - 输入:输出: 1:5
差分 - 输入:输出: 是/是
频率 - 最大: 1GHz
除法器/乘法器: 是/无
电源电压: 3 V ~ 3.8 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SOIC(0.295",7.50mm 宽)
供应商设备封装: 20-SOIC(宽型)
包装: 管件
1
Precision Edge
SY10EL38/L
SY100EL38/L
Micrel, Inc.
M9999-031006
hbwhelp@micrel.com or (408) 955-1690
The SY10/100EL38/L are low skew
÷2, ÷4/6 clock
generation chips designed explicitly for low skew clock
generation applications. The internal dividers are
synchronous to each other, therefore, the common output
edges are all precisely aligned. The devices can be driven
by either a differential or single-ended ECL or, if positive
power supplies are used, PECL input signal. In addition,
by using the VBB output, a sinusoidal source can be AC-
coupled into the device. If a single-ended input is to be
used, the VBB output should be connected to the CLK
input and bypassed to ground via a 0.01
F capacitor.
The VBB output is designed to act as the switching
reference for the input of the EL38/L under single-ended
input conditions. As a result, this pin can only source/
sink up to 0.5mA of current.
The common enable (EN) is synchronous so that the
internal dividers will only be enabled/disabled when the
internal clock is already in the LOW state. This avoids
any chance of generating a runt clock pulse on the
internal clock when the device is enabled/disabled as
can happen with an asynchronous control. An internal
runt pulse could lead to losing synchronization between
the internal divider stages. The internal enable flip-flop is
clocked on the falling edge of the input clock, therefore,
all associated specification limits are referenced to the
negative edge of the clock input.
The Phase_Out output will go HIGH for one clock cycle
whenever the
÷2 and the ÷4/6 outputs are both
transitioning from a LOW to a HIGH. This output allows
for clock synchronization within the system.
Upon start-up, the internal flip-flops will attain a
random state; the master reset (MR) input allows for the
synchronization of the internal dividers, as well as for
multiple EL38/Ls in a system.
s 3.3V and 5V power supply options
s 50ps output-to-output skew
s Synchronous enable/disable
s Master Reset for synchronization
s Internal 75K
input pull-down resistors
s Available in 20-pin SOIC package
DESCRIPTION
FEATURES
5V/3.3V
÷2, ÷4/6 CLOCK
GENERATION CHIP
Precision Edge
SY10EL38/L
SY100EL38/L
Rev.: G
Amendment: /0
Issue Date:
March 2006
Precision Edge
Precision Edge is a registered trademark of Micrel, Inc.
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SY100EL38LZI TR 功能描述:IC CLK GEN /2 /4/6 5/3.3V 20SOIC 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:100EL, Precision Edge® 标准包装:27 系列:Precision Edge® 类型:频率合成器 PLL:是 输入:PECL,晶体 输出:PECL 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/是 频率 - 最大:800MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 5.25 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SOIC(0.295",7.50mm 宽) 供应商设备封装:28-SOIC 包装:管件
SY100EL38LZITR 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:5V/3.3V ±2, ±4/6 CLOCK GENERATION CHIP
SY100EL38ZC 功能描述:IC CLK GEN /2 /4/6 5/3.3V 20SOIC 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:100EL, Precision Edge® 标准包装:27 系列:Precision Edge® 类型:频率合成器 PLL:是 输入:PECL,晶体 输出:PECL 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/是 频率 - 最大:800MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 5.25 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SOIC(0.295",7.50mm 宽) 供应商设备封装:28-SOIC 包装:管件
SY100EL38ZC TR 功能描述:IC CLK GEN /2 /4/6 5/3.3V 20SOIC 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:100EL, Precision Edge® 标准包装:27 系列:Precision Edge® 类型:频率合成器 PLL:是 输入:PECL,晶体 输出:PECL 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/是 频率 - 最大:800MHz 除法器/乘法器:是/无 电源电压:3.135 V ~ 5.25 V 工作温度:0°C ~ 85°C 安装类型:表面贴装 封装/外壳:28-SOIC(0.295",7.50mm 宽) 供应商设备封装:28-SOIC 包装:管件
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