參數(shù)資料
型號： CB664ET
英文描述： SEVEN DISTRIBUTED-OUTPUT CLOCK DRIVER|TSSOP|16PIN|PLASTIC
中文描述： SEVEN公司分布式輸出時鐘驅(qū)動器|型TSSOP | 16PIN |塑料
文件頁數(shù)： 1/8頁
文件大?。?/td> 53K
代理商： CB664ET
CB664
I2C Clock Distribution Buffer for Three Banks of Mobile SDRAM
Approved Product
Cypress Semiconductor Corporation
525 Los Coches St.
Milpitas, CA 95035. Tel: 408-263-6300, Fax: 408-263-6571
http://www.cypress.com
Document#: 38-07024 Rev. **
5/6/99
Page 1 of 8
Product Features
7 output buffer for high clock fanout applications.
Output may be individually disabled with I
2
C
VDD = 3.3 volts
Output frequency range 10 MHz to 100 MHz
<250ps skew between output clocks.
16-pin SSOP and TSSOP package.
Block Diagram
1
2
2
2
VDD
SDR(0:1)
SDR2
SDR(3:4)
SDR(5:6)
I
2
C Control
SDATA
SCLK
REFIN
Product Description
The device is a high fanout system clock buffer. Its
primary application is to distribute clocks needed to
support a wide range of applications such as SDRAM
clocks. This device provides low skew distribution
clock heavily loaded. One important application of
this component is where long traces are used to
transport clocks from their generating devices to their
loads. The creation of EMI and the degradation of
waveform rise and fall times is greatly reduces by
running a single reference clock trace to this device
and then using it to these devices EMI is therefore
minimized and board real estate is saved.
Pin Configuration
VDD
SDR0
SDR1
VSS
CLKIN
SDR2
VDD
SDATA
SDR6
SDR5
VSS
VDD
SDR4
SDR3
VSS
SCLK
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
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