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參數(shù)資料
| 型號： | SY89827LHGTR |
| 廠商： | MICREL INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | 89827 SERIES, LOW SKEW CLOCK DRIVER, 20 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP64 |
| 封裝： | LEAD FREE, TQFP-64 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 747K |
| 代理商： | SY89827LHGTR |
1
Precision Edge
SY89827L
Micrel, Inc.
M9999-061306
hbwhelp@micrel.com or (408) 955-1690
DESCRIPTION
■ Dual LVPECL or HSTL input, 10 differential 1.5V
HSTL compatible outputs
■ Configurable as dual-channel 10 output or a single-
channel 20 output clock driver
■ Guaranteed AC parameters over temperature and
voltage:
> 500MHz fMAX
< 50ps within device skew
< 1.5ns propagation delay
< 700ps tr / tf time
■ Low jitter design
< 1ps
RMS cycle-to-cycle jitter
< 10ps
PP total jitter
■ 3.3V core supply, 1.8V output supply
■ Output enable function
■ Available in a 64-Pin EPAD-TQFP
FEATURES
3.3V 500MHz DUAL 1:10 HSTL FANOUT
BUFFER/TRANSLATOR WITH 2:1 MUX INPUT
Precision Edge
SY89827L
APPLICATIONS
■ High-performance PCs
■ Workstations
■ Parallel processor-based systems
■ Other high-performance computing
■ Communications
Rev.: D
Amendment: /0
Issue Date:
June 2006
The SY89827L is a High Performance Bus Clock Driver
with dual 1:10 or single 1:20 HSTL (High Speed
Transceiver Logic) output pairs. The part is designed for
use in low voltage (3.3V/1.8V) applications which require
a large number of outputs to drive precisely aligned, ultra
low skew signals to their destination. The input is
multiplexed from either HSTL or LVPECL (Low Voltage
Positive Emitter Coupled Logic) by the CLK_SEL pin.
The Output Enables (OE1 & OE2) are synchronous so
that the outputs will only be enabled/disabled when they
are already in the LOW state. This avoids any chance of
generating a runt clock pulse when the device is enabled/
disabled as can happen with an asynchronous control.
The SY89827L features extremely low skew
performance of <50ps over temperature and voltage –
performance previously unachievable in a standard
product having such a high number of outputs. The
SY89827L is available in a single space saving package,
enabling a lower overall cost solution. For applications
that require greater HSTL fanout capability, consider the
SY89824L.
TYPICAL APPLICATION CIRCUIT
SEL1
Primary/Backup Clock Select
(Switchover within 2.0ns)
LVPECL_CLKA
/LVPECL_CLKA
LVPECL_CLKB
/LVPECL_CLKB
Primary Clock Source
Redundant Backup
Clock Source
10
Primary
Card
Redundant
Card
System using SY89827L as a switchover circuit from a Primary Clock to a Redundant Backup Clock in a failsafe application.
LVPECL inputs only, shown in this application.
Precision Edge is a registered trademark of Micrel, Inc.
Precision Edge
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SY89827LHI | 功能描述:IC CLK FANT BUF MUX TRNSL 64TQFP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘緩沖器，驅(qū)動器 系列:Precision Edge® 標(biāo)準(zhǔn)包裝:1 系列:HiPerClockS™ 類型: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 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(yīng)商設(shè)備封裝:32-TQFP（7x7） 包裝:- 其它名稱:800-1923-6 |
| SY89827LHITR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 500MHz DUAL 1:10 HSTL FANOUT BUFFER/TRANSLATOR WITH 2:1 MUX INPUT |
| SY89827LHY | 功能描述:時鐘緩沖器 3.3V Dual 1:20 Diff HSTL Fanout Buffer (I Temp, Lead Free) RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| SY89827LHY TR | 功能描述:時鐘緩沖器 3.3V Dual 1:20 Diff HSTL Fanout Buffer (I Temp, Lead Free) RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:5 最大輸入頻率:40 MHz 傳播延遲（最大值）: 電源電壓-最大:3.45 V 電源電壓-最小:2.375 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:LLP-24 封裝:Reel |
| SY89827LHYTR | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:3.3V 500MHz DUAL 1:10 HSTL FANOUT BUFFER/TRANSLATOR WITH 2:1 MUX INPUT |
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