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| 型号： | C9822EQ |
| 英文描述： | Up to 5A ULDO linear regulator |
| 中文描述： | 单时钟驱动器| SSOP封装| 24针|塑料 |
| 文件页数： | 1/19页 |
| 文件大小： | 123K |
| 代理商： | C9822EQ |
Direct Rambus
III Clock Generator
Cypress Semiconductor Corporation
525 Los Coches St.
Milpitas, CA 95035. Tel: 408-263-6300, Fax: 408-263-6571
http://www.cypress.com
Document#: 38-07093 Rev. **
05/04/2001
Page 1 of 19
APPROVED PRODUCT
C9822
Product Features
High Speed Clock support - provides a 267 to
400MHz differential clock source for Direct
Rambus
memory systems for an 1.6 GbPS data
transfer rate
Synchronization Flexibility - provides signals to
synchronize the clock domains of the Rambus
Channel with an external system or processor
clock, provided by C9801, C9812, C9830, C9840,
C9850, C9851, and C9853.
Power Management Support permits channel
clocks to be enabled and disabled as required
Supports Independent Channel Clocking
24 pin 150 mil SSOP Package
Supports Intel Architecture platforms
Block Diagram
PLL
Phase
Aligner
Test
Logic
REFCLK
MULT 0:1
PCLKM
SYNCLKN
S0:2
STOPB
CLK
CLKB
Output
Control
Logic
Figure: 1
Product Description
The C9822 is a Rambus
compliant DRCG clock
synchronizer. It contains a Phase Locked Loop that
provides complimentary Rambus
memory clocks.
Included in its functionality is the control logic to phase
and frequency synchronizing the device’s output clocks
with the system reference clock. Power management
logic is also provided for Mobile application and green
PC functionality. Also included are separate power pins
for each internal functional block so as to minimize
interaction of these sections with each other and thus
maximize the device performance.
Pin Configuration
VddlR
Refclk
VddP
VssP
VssI
PclkM
SynClkN
VssC
VddC
VddlPD
StopB
PwrDnB
S0
S1
VddO
VssO
Clk
N/C
ClkB
VssO
VddO
Mult0
Mult1
S2
1
2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
Figure: 2
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