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GTL2008PW PDF预览

GTL2008PW

更新时间: 2024-11-26 03:40:03
品牌 Logo 应用领域
恩智浦 - NXP 转换器电平转换器驱动程序和接口锁存器接口集成电路光电二极管
页数 文件大小 规格书
20页 116K
描述
12-bit GTL to LVTTL translator with power good control and high-impedance LVTTL and GTL outputs

GTL2008PW 技术参数

是否Rohs认证: 符合生命周期:Active
零件包装代码:TSSOP包装说明:4.40 MM, PLASTIC, MO-153, SOT-361-1, TSSOP-28
针数:28Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.28Is Samacsys:N
最大延迟:350 ns接口集成电路类型:GTL TO TTL TRANSCEIVER
JESD-30 代码:R-PDSO-G28JESD-609代码:e4
长度:9.7 mm湿度敏感等级:1
位数:12功能数量:1
端子数量:28最高工作温度:85 °C
最低工作温度:-40 °C输出锁存器或寄存器:NONE
输出极性:TRUE封装主体材料:PLASTIC/EPOXY
封装代码:TSSOP封装等效代码:TSSOP28,.25
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
峰值回流温度(摄氏度):260电源:3.3 V
认证状态:Not Qualified座面最大高度:1.1 mm
子类别:Other Interface ICs最大供电电压:3.6 V
最小供电电压:3 V标称供电电压:3.3 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:NICKEL PALLADIUM GOLD端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
处于峰值回流温度下的最长时间:30宽度:4.4 mm
Base Number Matches:1

GTL2008PW 数据手册

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GTL2008; GTL2107  
12-bit GTL to LVTTL translator with power good control and  
high-impedance LVTTL and GTL outputs  
Rev. 02 — 26 September 2006  
Product data sheet  
1. General description  
The GTL2008/GTL2107 is a customized translator between dual Xeon processors,  
Platform Health Management, South Bridge and Power Supply LVTTL and GTL signals.  
Functionally and footprint identical to the GTL2007, the GTL2008/GTL2107 LVTTL and  
GTL outputs were changed to put them into a high-impedance state when EN1 and EN2  
are LOW, with the exception of 11BO because its normal state is LOW, so it is forced  
LOW. EN1 and EN2 will remain LOW until VCC is at normal voltage, the other inputs are in  
valid states and VREF is at its proper voltage to assure that the outputs will remain  
high-impedance through power-up.  
Both the GTL2008/GTL2107 and the GTL2007 are derived from the GTL2006. They add  
an enable function that disables the error output to the monitoring agent for platforms that  
monitor the individual error conditions from each processor. This enable function can be  
used so that false error conditions are not passed to the monitoring agent when the  
system is unexpectedly powered down. This unexpected power-down could be from a  
power supply overload, a CPU thermal trip, or some other event of which the monitoring  
agent is unaware.  
A typical implementation would be to connect each enable line to the system power good  
signal or the individual enables to the VRD power good for each processor.  
Typically Xeon processors specify a VTT of 1.1 V to 1.2 V, as well as a nominal Vref of  
0.73 V to 0.76 V. To allow for future voltage level changes that may extend Vref to 0.63 of  
VTT (minimum of 0.693 V with VTT of 1.1 V) the GTL2008/GTL2107 allows a minimum Vref  
of 0.66 V. Characterization results show that there is little DC or AC performance variation  
between these levels.  
The GTL2008 is the companion chip to the GTL2009 3-bit GTL Front-Side Bus frequency  
comparator that is used in dual-processor Xeon applications.  
The GTL2107 is the Intel designation for the GTL2008.  
2. Features  
I Operates as a GTL to LVTTL sampling receiver or LVTTL to GTL driver  
I EN1 and EN2 disable error output  
I All LVTTL and GTL outputs are put in a high-impedance state when EN1 and EN2 are  
LOW  
I 3.0 V to 3.6 V operation  
I LVTTL I/O not 5 V tolerant  

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