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參數(shù)資料
| 型號： | SC660E |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | SMBus System Clock Buffer for Mobile Applications |
| 中文描述： | SMBus系統(tǒng)時鐘緩沖器，用于移動應(yīng)用 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 57K |
| 代理商： | SC660E |
SC660E
SMBus System Clock Buffer for Mobile Applications
Cypress Semiconductor Corporation
3901 North First Street
Document#: 38-07025 Rev. *A
12/17/2002
San Jose, CA 95134. Tel: 408-043-2600
Page 1 of 8
http://www.cypress.com
Product Features
§
10 output buffers for high clock fanout applications
§
Each output can be internally disabled for EMI and
power consumption reduction.
§
Separate power supply for each group of 2 clock
outputs for mixed voltage application.
§
< 250ps skew between output clocks.
§
28-pin SSOP package for minimum board space
§
Single output Tristate pin for testability
Block Diagram
VDDB
OE
SDATA
SDRAM(2:3)
SCLOCK
VDD
FIN
I2C
SDRAM(0:1)
SDRAM4
SDRAM5
SDRAM(8:9)
SDRAM(6:7)
Product Description
The device is a high fanout system clock distributor. Its
primary application is to create the large quantity of
clocks needed to support a wide range of clock loads
that are referenced to a single existing clock. Loads of
up to 30 pF are supported. Primary 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 reduced by running a single
reference clock trace to this device and then using it to
regenerate the clock that drives shorter traces by using
the SC660 to generate the clocks at the target devices
EMI is therefore minimized and board real estate is
saved.
Pin Configuration
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
VDDB
SDRAM9
SDRAM8
VSS
VDDB
SDRAM7
SDRAM6
VSS
OE
VDDB
SDRAM5
VSS
SCLOCK
VDDB
SDRAM0
SDRAM1
VSS
VDDB
SDRAM2
SDRAM3
VSS
FIN
VDDB
SDRAM4
VSS
VDD
SDATA
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相關(guān)代理商/技術(shù)參數(shù) |
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| SC660EYB | 制造商:CYPRESS 制造商全稱:Cypress Semiconductor 功能描述:SMBus System Clock Buffer for Mobile Applications |
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