参数资料
型号: SY898535XLKY TR
厂商: Micrel Inc
文件页数: 1/7页
文件大小: 0K
描述: IC CLOCK BUFFER MUX 2:4 20-TSSOP
标准包装: 1
系列: Precision Edge®
类型: 扇出缓冲器(分配),多路复用器
电路数: 1
比率 - 输入:输出: 2:4
差分 - 输入:输出: 无/是
输入: LVCMOS,LVTTL,晶体
输出: LVPECL
频率 - 最大: 235MHz
电源电压: 3.135 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-TSSOP(0.173",4.40mm 宽)
供应商设备封装: 20-TSSOP
包装: 标准包装
其它名称: 576-3944-6
SY898535XL
Precision Differential 3.3V, Low Skew, 1:4
Crystal Oscillator/LVCMOS/LVTTL -to-
LVPECL Fanout Buffer
Precision Edge is a registered trademark of Micrel, 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
General Description
The SY898535XL is a 3.3V, low skew, 1:4 Crystal
Oscillator/LVCMOS/LVTTL-to-LVPECL fanout buffer with
selectable single ended clock or crystal inputs. The clock
input accepts LVCMOS or LVTTL input levels and
translate them to 3.3V LVPECL levels. To eliminate runt
pulses on the outputs during asynchronous assertion/de-
assertion of the clock enable pin, the clock enable is
synchronized with the input signal.
The SY898535XL operates from a 3.3V ±5% supply and is
guaranteed over the full industrial temperature range of
–40°C to +85°C. The SY898535XL is part of Micrel’s high-
speed, Precision Edge
product line.
Datasheets and support documentation can be found on
Micrel’s web site at: www.micrel.com.
Functional Block Diagram
Features
Provides four differential 3.3V LVPECL copies
Selects between single-ended CLK or crystal inputs
CLK accepts LVCMOS or LVTTL input levels
Guaranteed AC performance over temperature and
supply voltage:
235MHz Maximum output frequency
<1.65ns Propagation delay (In-to-Q)
<30ps Output skew
<200ps Part-to-part skew
Additive phase jitter, RMS: 0.09ps (typical)
3.3V ±5% supply voltage
–40°C to +85°C industrial temperature operating range
Available in a 20-pin TSSOP package
Applications
Gigabit Ethernet
10Gigabit Ethernet
SONET/SDH
PCI
Markets
LAN/WAN
Enterprise servers
ATE
Test and measurement
June 2011
M9999-062211-B
hbwhelp@micrel.com or (408) 955-1690
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