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參數資料
| 型號： | W134 |
| 英文描述： | Clocks and Buffers |
| 中文描述： | 時鐘和緩沖器 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 188K |
| 代理商： | W134 |
Direct Rambus Clock Generator
W134M/W134S
Cypress Semiconductor Corporation
3901 North First Street
San Jose
CA 95134
408-943-2600
February 18, 2000, rev. *A
Features
Differential clock source for Direct Rambus
memory
subsystem for up to 800-MHz data transfer rate
Provide synchronization flexibility: the Rambus Chan-
nel can optionally be synchronous to an external sys-
tem or processor clock
Power managed output allows Rambus Channel clock
to be turned off to minimize power consumption for
mobile applications
Works with Cypress CY2210, W133, W158, W159, W161,
and W167 to support Intel architecture platforms
Low-power CMOS design packaged in a 24-pin, 150-mil
SSOP package
Overview
The Cypress W134M/W134S provides the differential clock
signals for a Direct Rambus memory subsystem. It includes
signals to synchronize the Direct Rambus Channel clock to an
external system clock but can also be used in systems that do
not require synchronization of the Rambus clock.
Key Specifications
Supply Voltage:...................................... V
DD
= 3.3V±0.165V
Operating Temperature: ................................... 0°C to +70°C
Input Threshold: ..................................................1.5V typical
Maximum Input Voltage:.........................................V
DD
+0.5V
Maximum Input Frequency:..................................... 100 MHz
Output Duty Cycle: .................................. 40/60% worst case
Output Type:............................Rambus signaling level (RSL)
Direct Rambus is a trademark and Rambus is a registered trademark of Rambus Inc.
Intel is a registered trademark of Intel Corporation.
Block Diagram
Pin Configuration
PLL
Phase
Alignment
PCLKM
MULT0:1
REFCLK
SYNCLKN
Output
Logic
Logic
Test
STOPB
S0:1
CLK
CLKB
S0
S1
VDD
GND
CLK
NC
CLKB
GND
VDD
MULT0
MULT1
GND
24
23
22
21
20
19
18
17
16
15
14
13
VDDIR
REFCLK
VDD
GND
GND
PCLKM
SYNCLKN
GND
VDD
VDDIPD
STOPB
PWRDNB
1
2
3
4
5
6
7
8
9
10
11
12
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W134M | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Direct Rambus⑩ Clock Generator |
| W134M_05 | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:Direct Rambus⑩ Clock Generator |
| W134MH | 功能描述:時鐘發生器及支持產品 Direct Rambus ClkGen 400MHz Diff Out RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| W134MHT | 功能描述:時鐘發生器及支持產品 Direct Rambus ClkGen 400MHz Diff Out RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:QFN-56 |
| W134MIP-1 | 制造商:Magnecraft 功能描述: |
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