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SM8760CA 参数 Datasheet PDF下载

SM8760CA图片预览
型号: SM8760CA
PDF下载: 下载PDF文件 查看货源
内容描述: 扩频时钟发生器 [Spread Spectrum Clock Generator]
分类和应用: 时钟发生器
文件页数/大小: 8 页 / 107 K
品牌: NPC [ NIPPON PRECISION CIRCUITS INC ]
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SM8760CA
Spread Spectrum Clock Generator
OVERVIEW
The SM8760CA is a compact clock generator IC with 4-times multiplication clock signal output that has a
spread spectrum (SS) function to reduce undesirable EMI radiation. The SM8760CA has built-in crystal oscil-
lator circuit, PLL, and loop filter. It accepts an input clock signal, generated using an external crystal or direct
external clock input, and outputs 1 SS-modulated 4-times multiplication clock signal and 1 unmodulated refer-
ence signal. In addition, the SM8760CA features control pins to select SS modulation function ON/OFF and
power-down modes.
FEATURES
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PINOUT
(Top view)
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Spread spectrum clock output to reduce EMI
Modulation rate: Center spread:
±
1.0%
Input frequency
• Using crystal element connection: 12.75MHz
(fundamental frequency)
• Using external input clock: 12.75MHz
Multiplication: 4-time multiplication
Operating supply voltage: 3.3
±
0.3V
Low jitter: 350ps typ (Cycle-to-Cycle)
Functions: Power-down function, SS modulation
ON/OFF
Mode control pins: Pull-up resistors built-in
Package: 8-pin VSOP
XT
XTN
PDN
ENS
1
8
4
5
VDD
CLKOUT
VSS
REFOUT
APPLICATIONS
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Printer (laser/inkjet)
Photocopiers, scanners
LCD/PDP displays
Projectors
Miscellaneous electronic equipment
PACKAGE DIMENSIONS
(Unit: mm)
0 to 10 °
ORDERING INFORMATION
4.4 ± 0.2
0.5 ± 0.2
+ 0.1
0.05
0.15
Device
SM8760CAV
Package
8-pin VSOP
0.575TYP
3.1 ± 0.3
0.65
0.10
0.22 ± 0.1
0.1 ± 0.05
1.15 ± 0.05
6.4 ± 0.3
0.12 M
SEIKO NPC CORPORATION —1