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| 型号： | SL23EP05SC-1 |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 5/11页 |
| 文件大小： | 0K |
| 描述： | IC BUFFER 220MHZ 5CH 3.3V 8SOIC |
| 标准包装： | 100 |
| 系列： | EProClock® |
| 类型： | * |
| PLL： | 是 |
| 输入： | 时钟 |
| 输出： | 时钟 |
| 电路数： | 1 |
| 比率 - 输入:输出： | 1:5 |
| 差分 - 输入:输出： | 无/无 |
| 频率 - 最大： | 220MHz |
| 除法器/乘法器： | 是/是 |
| 电源电压： | 2.3 V ~ 3.6 V |
| 工作温度： | 0°C ~ 70°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
Rev 0.0, September 18, 2006
Page 3 of 11
SL23EP05
General Description
The SL23EP09 is a low skew, low jitter Zero Delay Buffer with
very low operating current.
The product includes an on-chip high performance PLL that
locks into the input reference clock and produces nine (9)
output clock drivers tracking the input reference clock for
systems requiring clock distribution.
in addition to CLKOUT that is used for internal PLL feedback,
there are two (2) banks with four (4) outputs in each bank,
bringing the number of total available output clocks to nine (9).
Input and output Frequency Range
The input and output frequency range is the same. But, it
depends on VDD and drive levels as given in the below
Table 1.
VDD(V)
Drive
Min(MHz)
Max(MHz)
3.3
HIGH
10
220
3.3
STD
10
167
2.5
HIGH
10
200
2.5
STD
10
133
Table 1. Input/Output Frequency Range
If the input clock frequency is less than 2 MHz or floating, this
is detected by an input frequency detection circuitry and all
nine (9) clock outputs are forced to Hi-Z. The PLL is shutdown
to save power. In this shutdown state, the product draws less
than 25 μA supply current.
SpreadThru
Feature
If a Spread Spectrum Clock (SSC) were to be used as an
input clock, the SL23EP09 is designed to pass the modulated
Spread Spectrum Clock (SSC) signal from its reference input
to the output clocks. The same spread characteristics at the
input are passed through the PLL and drivers without any
degradation in spread percent (%), spread profile and
modulation frequency.
Select Input Control
The SL23EP09 provides two (2) input select control pins
called S1 and S2. This feature enables users to selects
various states of output clock banks-A and bank-B, output
source and PLL shutdown features as shown in the Table 2.
The S1 (Pin-9) and S2 (Pin-
8) inputs include 150 kΩ weak
pull-down resistors to GND.
PLL Bypass Mode
If the S1 and S2 pins are logic Low(0) and High(1)
respectively, the on-chip PLL is shutdown and bypassed, and
all the nine output clocks bank
A, bank B and CLKOUT
clocks are driven by directly from the reference input clock. In
this operation mode SL23EP09 works like a non-ZDB product.
High and Low-Drive Product Options
The SL23EP09 is offered with High-Drive “-1H” and Standard-
Drive “-1” options. These drive options enable the users to
control load levels, frequency range and EMI control. Refer to
the AC electrical tables for the details.
Skew and Zero Delay
All outputs should drive the similar load to achieve output-to-
output skew and input-to-output specifications given in the AC
electrical tables. However, Zero delay between input and
outputs can be adjusted by changing the loading of CLKOUT
relative to the banks A and B clocks since CLKOUT is the
feedback to the PLL.
Power Supply Range (VDD)
The SL23EP09 is designed to operate in a wide power supply
range from 2.250V (Min) to 3.360V (Max). This power supply
range complies with 3.3V+/-10% and 2.5V+/-10% standard
power supply requirements used in most systems. An internal
on-chip voltage regulator is used to supply PLL constant
power supply of 1.8V, leading to a consistent and stable PLL
electrical performance in terms of skew, jitter and power
dissipation. Contact SLI for 1.8V power supply version ZDB
called SL23EPL09.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SL23EP05SC-1H | 功能描述:时钟缓冲器 10-220MHz 5 Outputs ZDB 3.3-2.5V Hi Drv RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
| SL23EP05SC-1HT | 功能描述:时钟缓冲器 10-220MHz 5 Outputs ZDB 3.3-2.5V Hi Drv RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
| SL23EP05SC-1T | 功能描述:时钟缓冲器 10-220MHz 5 Outputs ZDB 3.3-2.5V RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
| SL23EP05SI-1 | 功能描述:时钟缓冲器 10-220MHz 5 Outputs ZDB 3.3-2.5V RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
| SL23EP05SI-1H | 功能描述:时钟缓冲器 10-220MHz 5 Outputs ZDB 3.3-2.5V Hi Drv RoHS:否 制造商:Texas Instruments 输出端数量:5 最大输入频率:40 MHz 传播延迟（最大值）: 电源电压-最大:3.45 V 电源电压-最小:2.375 V 最大功率耗散: 最大工作温度:+ 85 C 最小工作温度:- 40 C 封装 / 箱体:LLP-24 封装:Reel |
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