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參數資料
型號: SY89874UMG TR
廠商: Micrel Inc
文件頁數: 1/11頁
文件大小: 0K
描述: IC CLOCK BUFF DIVIDER 1:2 16-MLF
標準包裝: 1,000
系列: Precision Edge®
類型: 扇出緩沖器(分配),除法器
電路數: 1
比率 - 輸入:輸出: 1:2
差分 - 輸入:輸出: 是/是
輸入: CML,HSTL,LVDS,LVPECL
輸出: LVPECL
頻率 - 最大: 2.5GHz
電源電壓: 2.375 V ~ 3.63 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-VFQFN 裸露焊盤,16-MLF?
供應商設備封裝: 16-MLF?(3x3)
包裝: 帶卷 (TR)
其它名稱: SY89874UMGTR
SY89874UMGTR-ND
SY89874U
2.5GHz, Any Differential, In-to-LVPECL,
Programmable Clock Divider/Fanout Buffer
with Internal Termination
PrecisionEdge 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
October 1, 2013
Revision 1.1
hbwhelp@micrel.com or (408) 955-1690
General Description
This low-skew, low-jitter device is capable of accepting a
high-speed (e.g., 622MHz or higher) CML, LVPECL, LVDS
or HSTL clock input signal and dividing down the
frequency using a programmable divider ratio to create a
frequency-locked, lower speed version of the input clock.
Available divider ratios are 2, 4, 8 and 16, or straight pass-
through. In a typical 622MHz clock system this would
provide availability of 311MHz, 155MHz, 77MHz, or
38MHz auxiliary clock components.
The differential input buffer has a unique internal
termination design that allows access to the termination
network through a VT pin. This feature allows the device to
easily interface to different logic standards. A VREF-AC
reference is included for AC-coupled applications.
The /RESET input asynchronously resets the divider. In
the pass-through function (divide by 1) the /RESET
synchronously enables or disables the outputs on the next
falling edge of IN (rising edge of /N).
Datasheets and support documentation are available on
Micrel’s web site at: www.micrel.com.
Precision Edge
Features
Integrated programmable clock divider and 1:2 fanout
buffer
Guaranteed AC performance over temperature and
voltage:
>2.5GHz fMAX
<250ps tr/tf
<15ps within-device skew
Low-jitter design:
<10psPP total jitter
<1psRMS cycle-to-cycle jitter
Unique input termination and VT pin for DC-coupled and
AC-coupled Inputs; CML, PECL, LVDS, and HSTL
TTL/CMOS inputs for select and reset
100k EP-compatible LVPECL outputs
Parallel programming capability
Programmable divider ratios of 1, 2, 4, 8 and 16
Low-voltage operation 2.5V or 3.3V
Output disable function
–40°C to 85°C temperature range
Available in 16-pin (3mm x 3mm) QFN package
Applications
SONET/SDH line cards
Transponders
High-end multiprocessor sensors
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相關代理商/技術參數
參數描述
SY89874UMI 功能描述:IC CLOCK BUFF DIVIDER 1:2 16-MLF RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘緩沖器,驅動器 系列:Precision Edge® 標準包裝:1 系列:HiPerClockS™ 類型:扇出緩沖器(分配),多路復用器 電路數:1 比率 - 輸入:輸出:2:18 差分 - 輸入:輸出:是/無 輸入:CML,LVCMOS,LVPECL,LVTTL,SSTL 輸出:LVCMOS,LVTTL 頻率 - 最大:250MHz 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:32-LQFP 供應商設備封裝:32-TQFP(7x7) 包裝:- 其它名稱:800-1923-6
SY89874UMI TR 功能描述:IC CLOCK BUFF DIVIDER 1:2 16-MLF RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘緩沖器,驅動器 系列:Precision Edge® 標準包裝:1 系列:HiPerClockS™ 類型:扇出緩沖器(分配),多路復用器 電路數:1 比率 - 輸入:輸出:2:18 差分 - 輸入:輸出:是/無 輸入:CML,LVCMOS,LVPECL,LVTTL,SSTL 輸出:LVCMOS,LVTTL 頻率 - 最大:250MHz 電源電壓:2.375 V ~ 3.465 V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:32-LQFP 供應商設備封裝:32-TQFP(7x7) 包裝:- 其它名稱:800-1923-6
SY89874UMITR 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5GHz ANY DIFF. IN-TO-LVPECL PROGRAMMABLE CLOCK DIVIDER/FANOUT BUFFER WITH INTERNAL TERMINATION
SY89875U 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5V, 2.0GHz ANY DIFF. IN-TO-LVDS PROGRAMMABLE CLOCK DIVIDER AND 1:2 FANOUT BUFFER W/ INTERNAL TERMINATION
SY89875U_07 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:2.5V, 2.0GHz ANY DIFF. IN-TO-LVDS PROGRAMMABLE CLOCK DIVIDER AND 1:2 FANOUT BUFFER W/ INTERNAL TERMINATION
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