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840271BGILFT PDF预览

840271BGILFT

更新时间: 2024-02-04 00:39:45
品牌 Logo 应用领域
艾迪悌 - IDT 时钟驱动器逻辑集成电路光电二极管以太网以太网:16GBASE-T
页数 文件大小 规格书
13页 714K
描述
SYNCHRONOUS ETHERNET FREQUENCY TRANSLATOR

840271BGILFT 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Obsolete零件包装代码:TSSOP
包装说明:TSSOP-8针数:8
Reach Compliance Code:compliantECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.8
Is Samacsys:N其他特性:ALSO OPERATES WITH 3.135V TO 3.465V SUPPLY
系列:5V输入调节:STANDARD
JESD-30 代码:R-PDSO-G8JESD-609代码:e3
长度:4.9 mm逻辑集成电路类型:PLL BASED CLOCK DRIVER
最大I(ol):0.012 A湿度敏感等级:1
功能数量:1反相输出次数:
端子数量:8实输出次数:1
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:PLASTIC/EPOXY封装代码:SOP
封装等效代码:TSSOP8,.25封装形状:RECTANGULAR
封装形式:SMALL OUTLINE峰值回流温度(摄氏度):260
电源:2.5/3.3 V认证状态:Not Qualified
座面最大高度:1.75 mm子类别:Clock Drivers
最大供电电压 (Vsup):2.625 V最小供电电压 (Vsup):2.375 V
标称供电电压 (Vsup):2.5 V表面贴装:YES
温度等级:INDUSTRIAL端子面层:Matte Tin (Sn) - annealed
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL处于峰值回流温度下的最长时间:30
宽度:3.9 mmBase Number Matches:1

840271BGILFT 数据手册

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SYNCHRONOUS ETHERNET FREQUENCY TRANSLATOR  
ICS840271I  
General Description  
Features  
The ICS840271I is a PLL-based Frequency  
Clock frequency translator for Synchronous Ethernet  
applications  
S
IC  
Translator intended for use in telecommunication  
applications such as Synchronous Ethernet. The  
internal PLL translates Ethernet clock frequencies  
such as 125MHz (1Gb Ethernet), 156.25MHz  
HiPerClockS™  
One single-ended output (LVCMOS or LVTTL levels),  
16output impedance  
Differential input pair (CLK, nCLK) accepts LVPECL, LVDS,  
(10GbE XAUI) and 161.1328MHz (10Gb Ethernet) to an output  
frequency of 25MHz. The PLL does not any require external  
components. The input frequency is selectable by a 2-pin  
interface. The ICS840271I is optimized for low cycle-to-cycle jitter  
on the 25MHz output signal. The input of the device accepts  
differential (LVPECL, LVDS, LVHSTL, SSTL, HCSL) or  
single-ended (LVCMOS) signals. The extended temperature range  
supports telecommunication and networking equipment  
requirements. The ICS840271I uses a small RoHS 6, 8-pin  
TSSOP package and is an effective solution for space-constrained  
applications.  
LVHSTL, SSTL, HCSL input levels  
Supports input clock frequencies of: 125MHz, 156.25MHz or  
161.1328MHz  
Generates a 25MHz output clock signal  
Internal resistor bias on nCLK pin allows the user to drive CLK  
input with external single-ended (LVCMOS/LVTTL) input levels  
Internal PLL is optimized for low cycle-to-cycle jitter at the  
output  
Full 3.3V or 2.5V supply voltage  
-40°C to 85°C ambient operating temperature  
Available in lead-free (RoHS 6) package  
Pin Assignment  
Block Diagram  
1
2
3
4
8
7
6
5
VDDA  
SEL0  
CLK  
nCLK  
VDD  
Q
GND  
SEL1  
CLK  
Pre-  
PLL  
divider  
nCLK  
Q
Output  
divider  
Feedback  
divider  
25 MHz  
ICS840271I  
8 Lead TSSOP  
4.40mm x 3.0mm x 0.925mm  
package body  
Input Control Logic  
00 = PLL Bypass  
SEL(1:0)  
01 = 161.1328125 MHz  
10 = 156.2500000 MHz  
11 = 125.0000000 MHz  
G Package  
Top View  
IDT™ / ICS™ SYNCHRONOUS ETHERNET FREQUENCY TRANSLATOR  
1
ICS840271BGI REV. A APRIL 23, 2009  

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