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參數資料
| 型號： | W40S11-02 |
| 廠商： | CYPRESS SEMICONDUCTOR CORP |
| 元件分類： | 時鐘及定時 |
| 英文描述： | Low-voltage, Ten-output Clock Buffer(低電壓10輸出時鐘緩沖器（適合于驅動靜態DRAM- 雙列直插存儲器模塊(DIMM）) |
| 中文描述： | LOW SKEW CLOCK DRIVER, PDSO28 |
| 封裝： | 0.209 INCH, SSOP-28 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 166K |
| 代理商： | W40S11-02 |
SDRAM Buffer - 2 DIMM (Mobile)
W40S11-02
Cypress Semiconductor Corporation
3901 North First Street
San Jose
CA 95134
September 29, 1999, rev. **
408-943-2600
Features
Ten skew-controlled CMOS outputs (SDRAM0:9)
Supports two SDRAM DIMMs
Ideal for high-performance systems designed around
Intel’s latest Mobile chip set
I
2
C Serial configuration interface
Skew between any two outputs is less than 250 ps
1 to 5 ns propagation delay
DC to 133-MHz operation
Single 3.3V supply voltage
Low power CMOS design packaged in a 28-pin, 209-mil
SSOP (Shrink Small Outline Package)
Overview
The Cypress W40S11-02 is a low-voltage, ten-output clock
buffer. Output buffer impedance is approximately 15
, which
is ideal for driving SDRAM DIMMs.
Key Specifications
Supply Voltages:........................................... V
DD
= 3.3V±5%
Operating Temperature:.................................... 0°C to +70°C
Input Threshold: ..................................................1.5V typical
Maximum Input Voltage:.......................................V
DD
+ 0.5V
Input Frequency:............................................... 0 to 133 MHz
BUF_IN to SDRAM0:9 Propagation Delay: ........1.0 to 5.0 ns
Output Edge Rate:................................................. >1.5 V/ns
Output Skew:............................................................ ±250 ps
Output Duty Cycle: .................................. 45/55% worst case
Output Impedance:........................................15 ohms typical
Output Type:................................................CMOS rail-to-rail
Intel is a registered trademark of Intel Corporation.
Pin Configuration
Block Diagram
Note:
1.
Internal pull-up resistor of 250K on SDATA, SCLOCK, and OE
inputs (should not be relied upon for pulling up to V
DD
).
[1]
[1]
SDRAM1
SDRAM2
SDRAM3
SDRAM4
SDRAM5
SDRAM6
SDRAM7
SDRAM8
SDRAM9
SDRAM0
Serial Port
SCLOCK
SDATA
Device Control
BUF_IN
OE
VDD
SDRAM0
SDRAM1
GND
VDD
SDRAM2
SDRAM3
GND
BUF_IN
VDD
SDRAM8
GND
VDD
SDATA
VDD
SDRAM7
SDRAM6
GND
VDD
SDRAM5
SDRAM4
GND
OE
VDD
SDRAM9
GND
GND
SCLOCK
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
[1]
相關PDF資料 |
PDF描述 |
|---|---|
| W40S11-03 | Low-voltage, 14-output Buffer(低電壓14輸出緩沖器（適合于驅動靜態DRAM- 雙列直插存儲器模塊(DIMM）) |
| W40S11-23 | Clock Buffer/Driver(時鐘緩沖器/驅動器) |
| W40S11 | SDRAM Buffer - 2 DIMM (Mobile) |
| W414 | HIGH VOLTAGE, PHOTO MOS RELAY |
| W414A | HIGH VOLTAGE, PHOTO MOS RELAY |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W40S11-02H | 功能描述:IC CLK BUFF 10OUT SDRAM 28SSOP RoHS:否 類別:集成電路 (IC) >> 時鐘/計時 - 專用 系列:- 標準包裝:1,500 系列:- 類型:時鐘緩沖器/驅動器 PLL:是 主要目的:- 輸入:- 輸出:- 電路數:- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 電源電壓:3.3V 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:28-SSOP（0.209"，5.30mm 寬） 供應商設備封裝:28-SSOP 包裝:帶卷 (TR) 其它名稱:93786AFT |
| W40S11-02X | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Ten Distributed-Output Clock Driver |
| W40S11-02XT | 制造商:Cypress Semiconductor 功能描述: |
| W40S11-23 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Clock Buffer/Driver |
| W40S11-23_01 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Clock Buffer/Driver |
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