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參數(shù)資料
| 型號： | SL2305ZI-1HT |
| 廠商： | Silicon Laboratories Inc |
| 文件頁數(shù)： | 5/11頁 |
| 文件大小： | 0K |
| 描述： | IC BUFFER 140MHZ 5CH 3.3V 8TSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,500 |
| 系列： | EProClock® |
| 類型： | * |
| PLL： | 是 |
| 輸入： | 時鐘 |
| 輸出： | 時鐘 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:5 |
| 差分 - 輸入:輸出： | 無/無 |
| 頻率 - 最大： | 140MHz |
| 除法器/乘法器： | 無/無 |
| 電源電壓： | 3 V ~ 3.6 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | * |
| 封裝/外殼： | * |
| 供應(yīng)商設(shè)備封裝： | * |
| 包裝： | * |
Rev 2.1, October 22, 2007
Page 3 of 11
SL2305
General Description
The SL2305 is a low skew, low jitter Zero Delay Buffer with
very low operating power supply current (IDD).
The product includes an on-chip high performance PLL that
locks into the input reference clock and produces five (5)
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 is a single bank with four (4) outputs,
bringing the number of total available output clocks to five
(5).
Input and output Frequency Range
The input and output frequency range is the same. But, the
frequency range depends on the drive levels and load
capacitance (CL) as given in the below Table 1.
Drive
CL(pF)
Min(MHz)
Max(MHz)
HIGH (-1H)
15
10
140
HIGH (-1H)
30
10
100
STD (-1)
15
10
100
STD (-1)
30
10
66
Table 1. Input/Output Frequency Range
If the input clock frequency is DC (0 to VDD), this is
detected by an input detection circuitry and all five (5) 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-max supply current.
SpreadThru
Feature
If a Spread Spectrum Clock (SSC) were to be used as an
input clock, the SL2305 is designed to pass the modulated
Spread Spectrum Clock (SSC) signal from its CLKIN
(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.
High and Low-Drive Product Options
The SL2305 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 and input-to-output skew 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
other clock outputs since CLKOUT is the feedback to the
PLL.
Power Supply Range (VDD)
The SL2305 is designed to operate from 3.0V (Min) to 3.6V
(Max), complying with VDD=3.3V+/-10% requirement.
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.
Temperature Range and Packages
The SL2305 is offered with commercial temperature range
of 0 to +70°C (C-Grade) and industrial temperature range of
-40 to +85°C (I-Grade).
The SL2305 is available in 8-pin SOIC (150-mil) and 8-pin
TSSOP (173-mil) packages.
SL23EP05
Refer to SL23EP05 for extended frequency operation from
10 to 220MHz and 2.5V to 3.3V power supply operation
range.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SL2309ZI-1H | IC BUFFER 140MHZ 9CH3.3V 16TSSOP |
| SL23EP04NZZI-1 | IC CLOCK BUFF 4CH 220MHZ 8TSSOP |
| SL23EP04SI-2H | IC BUFFER 220MHZ 4CH 3.3V 8SOIC |
| SL23EP05SI-1H | IC BUFFER 220MHZ 5CH 3.3V 8SOIC |
| SL23EP08SI-4 | IC BUFFER 133MHZ 8CH 3.3V 16SOIC |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SL2305ZI-1T | 功能描述:時鐘緩沖器 10-140MHz 5 Outputs ZDB 3.3V RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| SL2309 | 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:Low Jitter and Skew 10 to 140MHz Zero Delay Buffer (ZDB) |
| SL2309NZ | 制造商:SPECTRALINEAR 制造商全稱:SPECTRALINEAR 功能描述:Low Jitter and Skew DC to 140 MHz Clock Buffer |
| SL2309NZSC-1 | 功能描述:時鐘緩沖器 0-140MHz 9 Fanout Buffer 3.3V Hi Drive RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| SL2309NZSC-1H | 功能描述:時鐘緩沖器 0-140MHz 9 Fanout Buffer 3.3V RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
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