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参数资料
| 型号： | SL23EP04SC-2H |
| 厂商： | Silicon Laboratories Inc |
| 文件页数： | 9/15页 |
| 文件大小： | 0K |
| 描述： | IC BUFFER 220MHZ 4CH 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： | 1:4 |
| 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： | 2.97 V ~ 3.63 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： | * |
May 15, 2008
Page 3 of 15
SL23EP04
General Description
The SL23EP04 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
four (4) output clock drivers tracking the input reference
clock for systems requiring clock distribution.
in addition to FBK pin used for internal PLL feedback,
there are two (2) banks with two (2) outputs in each bank,
bringing the number of total available output clocks to
four (4).
Input and output Frequency Range
The input and output frequency is the same (1x) for
SL23EP04-1 and -1H versions. For SL23EP04-2 and -
2H versions, the output frequency is 1/2x, 1x or 2x of
the CLKIN as given in the “Available SL23EP04
Configurations” Table 1. But, the frequency range
depends on VDD, drive levels and CL (Load
Capacitance) as given in the electrical specifications
tables.
When the input clock frequency is DC (from GND to
VDD), this input state is detected by an input level
detection circuitry and all four (4) clock outputs are forced
to Hi-Z. The PLL is shutdown to save power. In this
shutdown state, the product draws less than 12
μA
(8 μA –typ) supply current.
SpreadThru Feature
If a Spread Spectrum Clock (SSC) were to be used as
an input clock, the SL23EP04 is designed to pass the
modulated Spread Spectrum Clock (SSC) signal from
its reference CLKIN input to the output clocks. The
same spread spectrum characteristics at the input are
passed through the PLL and drivers without any
degradation in spread percent (%), spread profile and
modulation frequency.
High and Low-Drive Product Options
All SL23EP04 products are offered with the high drive
“-1H” and “-2H” as well as the standard drive “-1” and “-2”
options. These drive options enable the user to control
load levels, frequency range and EMI levels. Refer to the
electrical tables for the details of the drive levels.
Skew and Zero Delay
All outputs should drive the similar load to achieve output-
to-output skew and input-to-output delay specifications as
given in the switching electrical tables. However, the delay
between input and outputs can be adjusted by changing
the load at FBK pin relative to the banks A and B clocks
since FBK pin is the feedback to the internal PLL.
In addition, the input reference clock rise and fall time
should be similar to the output rise and fall time to obtain
the best skew results.
Power Supply Range (VDD)
The SL23EP04 is designed to operate from 3.3V (3.63V-
max) to 2.5V (2.25V-min) VDD power supply range. An
internal on-chip voltage regulator is used to provide to
PLL constant power supply of 1.8V internally. This leads
to a consistent and stable PLL electrical performance in
terms of skew, jitter and power dissipation. The
SL23EP04 I/O is powered by using VDD.
Contact SLI for 1.8V power supply ZDB called
SL23EPL04.
Device
Feedback From
Bank-A Frequency
Bank-B Frequency
SL23EP04-1 and 1H
Bank-A or Bank-B
Reference
SL23EP04-2 and -2H
Bank-A
Reference
Reference / 2
SL23EP04-2 and -2H
Bank-B
2 x Reference
Reference
Table 1. Available SL23EP04 Configurations
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SL23EP04SC-2HT | 功能描述:时钟缓冲器 10-220MHz 4 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 |
| SL23EP04SC-2T | 功能描述:时钟缓冲器 10-220MHz 4 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 |
| SL23EP04SI-1 | 功能描述:时钟缓冲器 10-220MHz 4 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 |
| SL23EP04SI-1H | 功能描述:时钟缓冲器 10-220MHz 4 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 |
| SL23EP04SI-1HT | 功能描述:时钟缓冲器 10-220MHz 4 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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