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CY28358OC 参数 Datasheet PDF下载

CY28358OC图片预览
型号: CY28358OC
PDF下载: 下载PDF文件 查看货源
内容描述: 200 - MHz差分时钟缓冲器/驱动器 [200-MHz Differential Clock Buffer/Driver]
分类和应用: 驱动器逻辑集成电路光电二极管时钟
文件页数/大小: 10 页 / 136 K
品牌: SPECTRALINEAR [ SPECTRALINEAR INC ]
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CY28358
200-MHz Differential Clock Buffer/Driver
Features
• Up to 200 MHz operation
• Phase-locked loop clock distribution for Double Data
Rate Synchronous DRAM applications
• Distributes one clock input to six differential outputs
• External feedback pin FBIN is used to synchronize the
outputs to the clock input
• Conforms to the DDR1 specification
• Spread Aware™ for EMI reduction
• 28-pin SSOP package
Description
This PLL clock buffer is designed for 2.5 VDD and 2.5 AVDD
operation and differential output levels.
This device is a zero delay buffer that distributes a clock input
CLKIN to six differential pairs of clock outputs (CLKT[0:5],
CLKC[0:5]) and one feedback clock output FBOUT. The clock
outputs are controlled by the input clock CLKIN and the
feedback clock FBIN.
The two line serial bus can set each output clock pair
(CLKT[0:5], CLKC[0:5]) to the Hi-Z state. When AVDD is
grounded, the PLL is turned off and bypassed for test
purposes.
The PLL in this device uses the input clock CLKIN and the
feedback clock FBIN to provide high-performance, low-skew,
low–jitter output differential clocks.
Block Diagram
Pin Configuration
10
SCLK
SDATA
Serial
Interface
Logic
CLKT2
CLKC2
CLKT3
CLKC3
CLKIN
NC
AVDD
AGND
VDD
CLKT2
CLKC2
CY28358
CLKT0
CLKC0
CLKT1
CLKC1
CLKC0
CLKT0
VDD
CLKT1
CLKC1
GND
SCLK
CLKIN
PLL
FBIN
CLKT4
CLKC4
CLKT5
CLKC5
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
16
15
GND
CLKC5
CLKT5
CLKC4
CLKT4
VDD
SDATA
NC
FBIN
FBOUT
NC
CLKT3
CLKC3
GND
AVDD
FBOUT
28 pin SSOP
Rev 1.0, November 20, 2006
2200 Laurelwood Road, Santa Clara, CA 95054
Tel:(408) 855-0555
Fax:(408) 855-0550
Page 1 of 10
www.SpectraLinear.com