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參數(shù)資料
| 型號(hào)： | SY89874UMI |
| 廠商： | Micrel Inc |
| 文件頁(yè)數(shù)： | 1/11頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CLOCK BUFF DIVIDER 1:2 16-MLF |
| 標(biāo)準(zhǔn)包裝： | 100 |
| 系列： | Precision Edge® |
| 類(lèi)型： | 扇出緩沖器（分配），除法器 |
| 電路數(shù)： | 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(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 16-VFQFN 裸露焊盤(pán)，16-MLF? |
| 供應(yīng)商設(shè)備封裝： | 16-MLF?（3x3） |
| 包裝： | 管件 |
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(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY89874UMI TR | 功能描述:IC CLOCK BUFF DIVIDER 1:2 16-MLF RoHS:否 類(lèi)別:集成電路 (IC) >> 時(shí)鐘/計(jì)時(shí) - 時(shí)鐘緩沖器，驅(qū)動(dòng)器 系列:Precision Edge® 標(biāo)準(zhǔn)包裝:1 系列:HiPerClockS™ 類(lèi)型:扇出緩沖器（分配），多路復(fù)用器 電路數(shù):1 比率 - 輸入:輸出:2:18 差分 - 輸入:輸出:是/無(wú) 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(lèi)型:表面貼裝 封裝/外殼:32-LQFP 供應(yīng)商設(shè)備封裝:32-TQFP（7x7） 包裝:- 其它名稱(chēng):800-1923-6 |
| SY89874UMITR | 制造商:MICREL 制造商全稱(chēng):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(chēng):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(chēng):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_0708 | 制造商:MICREL 制造商全稱(chēng):Micrel Semiconductor 功能描述:2.5V, 2.0GHz ANY DIFF. IN-TO-LVDS |
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