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參數(shù)資料
| 型號(hào)： | IDTCSPT857DPAGI8 |
| 廠(chǎng)商： | IDT, Integrated Device Technology Inc |
| 文件頁(yè)數(shù)： | 1/15頁(yè) |
| 文件大小： | 0K |
| 描述： | IC PLL CLK DVR SDRAM 48-TSSOP |
| 標(biāo)準(zhǔn)包裝： | 2,000 |
| 類(lèi)型： | 時(shí)鐘緩沖器/驅(qū)動(dòng)器，零延遲緩沖器，多路復(fù)用器 |
| PLL： | 是 |
| 主要目的： | 存儲(chǔ)器，DDR，SDRAM |
| 輸入： | 時(shí)鐘 |
| 輸出： | 時(shí)鐘 |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:10 |
| 差分 - 輸入:輸出： | 是/是 |
| 頻率 - 最大： | 220MHz |
| 電源電壓： | 2.3 V ~ 2.7 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 48-TFSOP（0.240"，6.10mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 48-TSSOP |
| 包裝： | 帶卷 (TR) |
| 其它名稱(chēng)： | CSPT857DPAGI8 |
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IDTCSPT857D
2.5V - 2.6V PLL DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER
COMMERCIALTEMPERATURERANGE
200
8 Integrated Device Technology, Inc.
DSC-6835/
8
c
IDTCSPT857D
COMMERCIAL TEMPERATURE RANGE
2.5V - 2.6V PHASE LOCKED
LOOP DIFFERENTIAL 1:10
SDRAM CLOCK DRIVER
NOVEMBER
2008
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
FEATURES:
1 to 10 differential clock distribution
Optimized for clock distribution in DDR (Double Data Rate)
SDRAM applications requiring improved output crosspoint
voltage
Operating frequency: 60MHz to 220MHz
Very low skew:
– <100ps for PC1600 - PC2700
– <75ps for PC3200
Very low jitter:
– <75ps for PC1600 - PC2700
– <50ps for PC3200
2.5V AVDD and 2.5V VDDQ for PC1600-PC2700
2.6V AVDD and 2.6V VDDQ for PC3200
CMOS control signal input
Test mode enables buffers while disabling PLL
Low current power-down mode
Tolerant of Spread Spectrum input clock
Available in 48-pin TSSOP, 40-pin VFQFPN, and 56-pin VFBGA
packages
DESCRIPTION:
The CSPT857D is a PLL based clock driver that acts as a zero delay buffer
to distribute one differential clock input pair(CLK,
CLK)to10differentialoutput
pairs (Y[0:9], Y[0:9]) and one differential pair of feedback clock output (FBOUT,
FBOUT). External feedback pins (FBIN, FBIN) for synchronization of the
outputs to the input reference is provided. A CMOS Enable/Disable pin is
available for low power disable. When the input frequency falls below
approximately 20MHz, the device will enter power down mode. In this mode,
the receivers are disabled, the PLL is turned off, and the output clock drivers
are tristated, resulting in a current consumption of less than 200
μA.
The CSPT857D requires no external components and has been optimised
for very low I/O phase error, skew, and jitter, while maintaining frequency and
duty cycleovertheoperatingvoltageandtemperaturerange.TheCSPT857D,
designed for use in both module assemblies and system motherboard based
solutions, provides an optimum high-performance clock source.
The CSPT857D is available in Commercial Temperature Range (0°C to
+70°C). See Ordering Information for details.
APPLICATIONS:
Meets or exceeds JEDEC standard JESD 82-1A for registered
DDR clock driver
Meets proposed DDR1-400 specification
For all DDR1 speeds: PC1600 (DDR200), PC2100 (DDR266),
PC2700 (DDR333), PC3200 (DDR400)
Along with SSTV16857, SSTVF16857, SSTV16859, SSTVM16859,
SSTVF16859, SSTVN16859, DDR1 register, provides complete
solution for DDR1 DIMMs
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IDTCSPT857DPAI | 制造商:IDT 制造商全稱(chēng):Integrated Device Technology 功能描述:2.5V - 2.6V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER |
| IDTCSPT857DPF | 制造商:IDT 制造商全稱(chēng):Integrated Device Technology 功能描述:2.5V - 2.6V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER |
| IDTCSPT857DPFI | 制造商:IDT 制造商全稱(chēng):Integrated Device Technology 功能描述:2.5V - 2.6V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER |
| IDTCSPT857DVFQFPN | 制造商:IDT 制造商全稱(chēng):Integrated Device Technology 功能描述:2.5V - 2.6V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER |
| IDTCSPT857DVFQFPNI | 制造商:IDT 制造商全稱(chēng):Integrated Device Technology 功能描述:2.5V - 2.6V PHASE LOCKED LOOP DIFFERENTIAL 1:10 SDRAM CLOCK DRIVER |
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