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SY89467UHYTR PDF预览

SY89467UHYTR

更新时间: 2024-09-30 21:19:51
品牌 Logo 应用领域
美国微芯 - MICROCHIP 驱动输出元件逻辑集成电路
页数 文件大小 规格书
15页 558K
描述
89467 SERIES, LOW SKEW CLOCK DRIVER, 20 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP64, LEAD FREE, TQFP-64

SY89467UHYTR 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:QFP
包装说明:HTFQFP,针数:64
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.4其他特性:IT CAN ALSO OPERATES WITH 3V TO 3.6V SUPPLY
系列:89467输入调节:DIFFERENTIAL MUX
JESD-30 代码:S-PQFP-G64JESD-609代码:e3
长度:10 mm逻辑集成电路类型:LOW SKEW CLOCK DRIVER
湿度敏感等级:3功能数量:1
反相输出次数:端子数量:64
实输出次数:40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:HTFQFP封装形状:SQUARE
封装形式:FLATPACK, HEAT SINK/SLUG, THIN PROFILE, FINE PITCH峰值回流温度(摄氏度):260
传播延迟(tpd):1.2 ns认证状态:Not Qualified
Same Edge Skew-Max(tskwd):0.035 ns座面最大高度:1.2 mm
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:0.5 mm
端子位置:QUAD处于峰值回流温度下的最长时间:40
宽度:10 mm最小 fmax:1500 MHz
Base Number Matches:1

SY89467UHYTR 数据手册

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SY89467U  
Precision LVPECL 1:20 Fanout with 2:1 MUX  
and Internal Termination with Fail-Safe Input  
General Description  
Precision Edge®  
The SY89467U is a 2.5/3.3V, 1:20 LVPECL fanout  
buffer with a 2:1 differential input multiplexer (MUX).  
A unique Fail-Safe Input (FSI) protection prevents  
metastable output conditions when the selected  
input clock fails to a DC voltage (when voltage  
between the pins of the differential input drops  
significantly below 100mV).  
Features  
Selects between two inputs, and provides 20  
precision LVPECL copies  
Fail-Safe Input  
– Prevents outputs from oscillating when input is  
invalid  
The differential input includes Micrel’s unique, 3-pin  
internal termination architecture that can interface to  
any differential signal (AC- or DC-coupled) as small  
as 100mV (200mVPP) without any level shifting or  
termination resistor networks in the signal path. The  
outputs are 800mV, LVPECL with fast rise/fall times  
guaranteed to be less than 270ps.  
Guaranteed AC performance over temperature and  
supply voltage:  
– DC-to >1.5 GHz throughput  
– < 1200ps Propagation Delay (In-to-Q)  
– 270ps Rise/Fall times  
Ultra-low jitter design:  
– <1psRMS random jitter  
The SY89467U operates from a 2.5V ±5% or 3.3V  
±10% supply and is guaranteed over the full  
industrial temperature range of –40°C to +85°C. The  
SY89467U is part of Micrel’s high-speed, Precision  
Edge® product line.  
– <1psRMS cycle-to-cycle jitter  
– <10psPP total jitter (clock)  
– <0.7psRMS MUX crosstalk induced jitter  
Unique, patented MUX input isolation design  
minimizes adjacent channel crosstalk  
All support documentation can be found on Micrel’s  
web site at: www.micrel.com.  
Unique patented internal termination and VT pin  
accepts DC- and AC-coupled inputs (CML, PECL,  
LVDS)  
Functional Block Diagram  
Wide input voltage range: VCC to GND  
2.5V ±5% or 3.3V ±10% supply voltage  
-40°C to +85°C industrial temperature range  
Available in 64-pin TQFP package  
Applications  
Fail-safe clock protection  
SONET clock distribution  
Backplane distribution  
Markets  
LAN/WAN  
Enterprise servers  
ATE  
Test and measurement  
Precision Edge is a registered trademark of Micrel, Inc.  
MicroLeadFrame and MLF are registered trademarks of Amkor Technology, Inc.  
Micrel Inc. • 2180 Fortune Drive • San Jose, CA 95131 • USA • tel +1 (408) 944-0800 • fax + 1 (408) 474-1000 • http://www.micrel.com  
M9999-040808-C  
hbwhelp@micrel.com or (408) 955-1690  
April 2008  

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