参数资料
型号: SY89831UMG
厂商: Micrel Inc
文件页数: 3/10页
文件大小: 0K
描述: IC CLK BUFF XLATR 1:4 2GHZ 16MLF
标准包装: 100
系列: Precision Edge®
类型: 扇出缓冲器(分配),变换器
电路数: 1
比率 - 输入:输出: 1:4
差分 - 输入:输出: 是/是
输入: CML,LVDS,LVPECL
输出: LVPECL
频率 - 最大: 2GHz
电源电压: 2.375 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-VFQFN 裸露焊盘,16-MLF?
供应商设备封装: 16-MLF?(3x3)
包装: 管件
产品目录页面: 1083 (CN2011-ZH PDF)
其它名称: 576-1431
Micrel, Inc.
SY89831U
January 17, 2014
2
Revision 7.0
hbwhelp@micrel.com or (408) 955-1690
Ordering Information
Part Number
Package Type
Operating Range
Package Marking
Lead Finish
SY89831UMG
MLF-16
Industrial
831U with Pb-Free bar-line indicator
NiPdAu Pb-Free
SY89831UMGTR
MLF-16
Industrial
831U with Pb-Free bar-line indicator
NiPdAu Pb-Free
Notes:
1.
Contact factory for die availability. Dice are guaranteed at TA = 25°C, DC electricals only.
2.
Pb-Free package is recommended for new designs.
3.
Tape and Reel.
Pin Configuration
16-MLF (MLF-16)
Pin Description
Pin #
Pin Name
Functional Description
15, 16
1, 2
3, 4
5, 6
Q0, /Q0
Q1, /Q1
Q2, /Q2
Q3, /Q3
Differential 100K LVPECL Outputs: These LVPECL outputs are the precision, low-skew copies of the
inputs. Please refer to the “Truth Table” section for details. Unused output pairs may be left open.
Terminate with 50
Ω to VCC – 2V. See the “Output Termination Recommendations” section for more
details.
8
EN
This single-ended TTL/CMOS-compatible input functions as a synchronous output enable. The
synchronous enable ensures that enable/disable only occurs when the outputs are in a logic low state.
Note that this input is internally connected to a 25k
Ω pull-up resistor and will default to logic high state
(enabled) if left open.
9, 12
/IN, IN
Differential Inputs: These input pairs are the differential signal inputs to the device. Inputs accept AC-
or DC-coupled differential signs as small as 100mV. Each pin of a pair internally terminates to a VT pin
through 50
Ω. Note that these inputs default to an intermediate state if left open. Please refer to the
“Input Interface Applications” section for more details.
10
VREF-AC
Reference Voltage: These outputs bias to VCC – 1.4V. They are used when AC coupling the inputs
(IN, /IN). For AC-coupled applications, connect VREF-AC to the VT pin and bypass with a 0.01F low-
ESR capacitor to VCC. See the “Input Interface Applications” section for more details. Maximum
sink/source current is ±1.5mA. Due to the limited drive capability, each VREF-AC pin should only drive
its respective VT pin. If VREF-AC is used with a 2.5V supply, make sure the input swing is large
enough to comply with the VIH min. spec.
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