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參數資料
| 型號： | SY89231UMG |
| 廠商： | MICREL INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | 89231 SERIES, LOW SKEW CLOCK DRIVER, 1 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), QCC16 |
| 封裝： | 3 X 3 MM, LEAD FREE, QFN-16 |
| 文件頁數： | 1/15頁 |
| 文件大小： | 419K |
| 代理商： | SY89231UMG |
SY89231U
3.2GHz Precision, LVDS ÷3, ÷5 Clock Divider
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
November 2007
M9999-110507-A
hbwhelp@micrel.com or (408) 955-1690
General Description
The SY89231U is a precision, low jitter 3.2GHz
÷3,
÷5 clock divider with a LVDS output. The differential
input
includes
Micrel’s
unique,
3-pin
internal
termination architecture that allows the input to
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
325mV,
100K-
compatible LVDS with fast rise/fall times guaranteed
to be less than 200ps.
The SY89231U operates from a 2.5V ±5% supply
and
is
guaranteed
over
the
full
industrial
temperature
range
of
–40°C
to
+85°C.
The
SY89231U is part of Micrel’s high-speed, Precision
Edge
product line.
All support documentation can be found on Micrel’s
web site at: www.micrel.com.
Block Diagram
Precision Edge
Features
Accepts a high-speed input and provides a precision
÷3 and ÷5 sub-rate, LVDS output
Guaranteed AC performance over temperature and
supply voltage:
–
DC-to >3.2GHz throughput
– <810ps Propagation Delay (In-to-Q)
– <200ps Rise/Fall times
Ultra-low jitter design:
– <1psRMS random jitter
– <1psRMS cycle-to-cycle jitter
– <10psPP total jitter (clock)
– <0.7psRMS MUX crosstalk induced jitter
Unique patented internal termination and VT pin
accepts DC- and AC-coupled inputs (CML, PECL,
LVDS)
Wide input voltage range V
CC to GND
325mV LVDS output
45% to 55% Duty Cycle (÷ 3)
47% to 53% Duty Cycle (÷ 5)
2.5V ±5% supply voltage
-40°C to +85°C industrial temperature range
Available in 16-pin (3mm x 3mm) QFN package
Applications
Fail-safe clock protection
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 |
|---|---|
| SY89231UMG TR | 功能描述:時鐘驅動器及分配 Divide-by-3 and 5 LVDS Clock Divider with Internal Termination and FSI (3.2GHz) RoHS:否 制造商:Micrel 乘法/除法因子:1:4 輸出類型:Differential 最大輸出頻率:4.2 GHz 電源電壓-最大: 電源電壓-最小:5 V 最大工作溫度:+ 85 C 封裝 / 箱體:SOIC-8 封裝:Reel |
| SY89231UMGTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.2GHz Precision, LVDS ÷3, ÷5 Clock Divider |
| SY89250V | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:ENHANCED DIFFERENTIAL RECEIVER |
| SY89250VMG | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:ENHANCED DIFFERENTIAL RECEIVER |
| SY89250VMG TR | 功能描述:緩沖器和線路驅動器 3.3V/5V Ultrasmall Oscillator Amplifier (I Temp, Green) 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 |
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