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參數(shù)資料
| 型號(hào)： | P3P25814AG-08SR |
| 廠商： | ON Semiconductor |
| 文件頁(yè)數(shù)： | 1/9頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC CLOCK GEN 16-128MHZ 8-SOIC |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類(lèi)型： | * |
| PLL： | 是 |
| 輸入： | LVCMOS，晶體 |
| 輸出： | LVCMOS |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 差分 - 輸入:輸出： | 無(wú)/無(wú) |
| 頻率 - 最大： | 128MHz |
| 除法器/乘法器： | 是/無(wú) |
| 電源電壓： | 2.8 V ~ 3.6 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類(lèi)型： | 表面貼裝 |
| 封裝/外殼： | 8-SOIC（0.154"，3.90mm 寬） |
| 供應(yīng)商設(shè)備封裝： | 8-SOICN |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱(chēng)： | P3P25814AG08SROSDKR P3P25814AG08SROSDKR-ND |
Semiconductor Components Industries, LLC, 2013
July, 2013 Rev. P2
1
Publication Order Number:
PCS3P25811/D
PCS3P25811,
PCS3P25812,
PCS3P25814
Product Preview
Spread Spectrum Clock
Generator
Product Description
The PCS3P25811/12/14 devices are versatile spread spectrum
frequency modulators designed specifically for a wide range of input
clock frequencies from 4 MHz to 32 MHz.
The PCS3P25811/12/14 reduce electromagnetic interference (EMI)
at the clock source, allowing system wide reduction of EMI of down
stream clock and data dependent signals. It allows significant system
cost savings by reducing the number of circuit board layers, ferrite
beads, shielding, and other passive components that are traditionally
required to pass EMI regulations.
The PCS3P25811/12/14 can generate an EMI reduced clock from
crystal, ceramic resonator, or system clock.
The PCS3P25811/12/14 modulate the output of a single PLL in
order to “spread” the bandwidth of a synthesized clock, and more
importantly, decreases the peak amplitudes of its harmonics. This
results in significantly lower system EMI compared to the typical
narrow band signal produced by oscillators and most frequency
generators. Lowering EMI by increasing a signal’s bandwidth is called
‘spread spectrum clock generation’.
The PCS3P25811/12/14 use the most efficient and optimized
modulation profile approved by the FCC and is implemented in a
proprietary alldigital method.
The PCS3P25811/12/14 have 2 pins S0 and S1 to control the
selection of Center Spread, Down Spread and NoSpread functions.
Additionally there is a 3 level logic contol FSEL, for selecting one of
the three different frequency ranges within the operating frequency
range. Refer Input/Output Frequency Range Selection Table.
The PCS3P25811/12/14 operate from a 2.8 V to 3.6 V supply and
are available in 8 pin SOIC, and 8L 2 mm x 2 mm WDFN packages.
This document contains information on a product under development. ON Semiconductor
reserves the right to change or discontinue this product without notice.
Applications
The PCS3P25811/12/14 are targeted towards EMI
management in applications such as LCD Panels, MFPs,
Digital copiers, Networking, PC peripheral devices,
consumer electronics, and embedded controller systems.
Features
Generates a 1x (PCS3P25811), 2x (PCS3P25812) and
4x(PCS3P25814) Low EMI Spread Spectrum Clock of
the Input Frequency
Provides up to 15 dB of EMI Suppression
Input Frequency: 4 MHz 32 MHz
Output Frequency: PCS3P25811: 4 MHz 32 MHz
PCS3P25812: 8 MHz 64 MHz
PCS3P25814: 16 MHz 128 MHz
Selectable Spread Options: Down Spread and Center
Spread
Low Power Dissipation: 3.3 V: 20 mW (typ) @ 6 MHz
3.3 V: 24 mW (typ) @ 12 MHz
3.3 V: 30 mW (typ) @ 24 MHz
Low Inherent CycletoCycle Jitter
Supply Voltage: 2.8 V to 3.6 V
LVCMOS Input and Output
Functional and Pinout Compatible to Cypress
CY25811, CY25812 and CY25814
8pin SOIC, and 8L 2 mm x 2 mm WDFN (TDFN)
Packages
These Devices are PbFree, Halogen Free/BFR Free
and are RoHS Compliant
http://onsemi.com
PIN CONFIGURATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
ORDERING INFORMATION
XIN / CLKIN
VSS
1
2
3
4
5
6
7
8
S0
ModOUT
VDD
XOUT
S1
FSEL
PCS3P25811
PCS3P25812
PCS3P25814
1
8
SOIC8NB EP
CASE 751BU
WDFN8 2x2, 0.5P
CASE 511AQ
1
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