參數資料
| 型號： | SY89847UMG |
| 廠商： | Micrel Inc |
| 文件頁數： | 1/10頁 |
| 文件大小： | 0K |
| 描述： | IC CLK BUFF MUX 2:5 2GHZ 32-MLF |
| 標準包裝： | 60 |
| 系列： | Precision Edge® |
| 類型： | 扇出緩沖器（分配），多路復用器 |
| 電路數： | 1 |
| 比率 - 輸入:輸出： | 2:5 |
| 差分 - 輸入:輸出： | 是/是 |
| 輸入： | CML，LVDS，PECL |
| 輸出： | LVDS |
| 頻率 - 最大： | 2GHz |
| 電源電壓： | 2.375 V ~ 2.625 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 32-VFQFN 裸露焊盤，32-MLF? |
| 供應商設備封裝： | 32-MLF?（5x5） |
| 包裝： | 管件 |
| 產品目錄頁面： | 1084 (CN2011-ZH PDF) |
| 其它名稱： | 576-1618 |
SY89847U
1.5GHz Precision, LVDS 1:5 Fanout with 2:1
MUX and Fail Safe Input with Internal
Termination
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
Oct. 1, 2013
M9999-060107-B
hbwhelp@micrel.com or (408) 955-1690
General Description
The SY89847U is a 2.5V, 1:5 LVDS 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 (voltage between
the pins of the differential input drops significantly
below 100mV).
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 LVDS compatible with very fast rise/fall
times guaranteed to be less than 210ps.
The SY89847U operates from a 2.5V ±5% supply
and
is
guaranteed
over
the
full
industrial
temperature
range
of
–40°C to +85°C. The
SY89847U is part of Micrel’s high-speed, Precision
Edge
product line.
All support documentation can be found on Mi
crel’s
web site at: www.micrel.com.
Functional Block Diagram
Precision Edge
Features
Selects between two sources, and provides 5
precision LVDS copies
Fail-Safe Input
– Prevents outputs from oscillating when input is
invalid
Guaranteed AC performance over temperature and
supply voltage:
– DC-to >1.5GHz throughput
– <1000ps Propagation Delay (IN-to-Q)
– <210ps Rise/Fall times
Ultra-low jitter design:
– 150fs RMS phase jitter (Typ)
– 0.7ps
RMS MUX crosstalk induced jitter
Unique, patented MUX input isolation design
minimizes adjacent channel crosstalk
Unique, patented internal termination and VT pin
accepts DC- and AC-coupled inputs (CML, PECL,
LVDS)
Wide input voltage range VCC to GND
2.5V ±5% supply voltage
-40°C to +85°C industrial temperature range
Available in 32-pin (5mm x 5mm) QFN package
Applications
Fail-safe clock protection
Ultra-low jitter LVDS clock distribution
Rack-based Telecom/Datacom
Markets
LAN/WAN
Enterprise servers
ATE
Test and measurement
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相關代理商/技術參數 |
參數描述 |
|---|---|
| SY89847UMG TR | 功能描述:緩沖器和線路驅動器 1:5 LVDS Fanout Buffer w/ 2:1 FSI Input MUX RoHS:否 制造商:Micrel 輸入線路數量:1 輸出線路數量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
| SY89847UMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:1.5GHz Precision, LVDS 1:5 Fanout with 2:1 |
| SY89850U | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision Low-Power LVPECL Line |
| SY89850U_10 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision Low-Power LVPECL Line |
| SY89850UMG | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:Precision Low-Power LVPECL Line Driver/Receiver with Internal Termination |
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