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PDF PT7C4512 Data sheet ( Hoja de datos )
| Número de pieza | PT7C4512 | |
| Descripción | PLL Clock Multiplier | |
| Fabricantes | Pericom Semiconductor | |
| Logotipo |  |
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PT7C4512
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PLL Clock Multiplier
Features
Description
Zero ppm multiplication error
Input crystal frequency of 5 - 40 MHz
Input clock frequency of 4 - 50 MHz
Output clock frequencies up to 200 MHz
Low period jitter 80ps (100~200MHz)
Duty cycle of 45/55% of output clock up to 160MHz
9 selectable frequencies controlled by S0, S1 pins
Operating voltages of 3.0 to 5.5V
Lead free SOIC-8 package
This Clock Multiplier is the most cost-effective way to
generate a high quality, high frequency clock outputs
from lower frequency crystal or clock input. It is
designed to replace crystal oscillators in most electronic
systems, clock multipliers and frequency translation
devices with low output jitter. The device implements a
standard fundamental mode using PLL techniques and
inexpensive crystal to produce output clocks up to 200
MHz.
Pin Configuration
The internal Logic divider is to generate nine different
popular multiplication factors, allowing one chip to
1 X1/ICLK
2 Vcc
3 GND
X2 8
S1 7
S0 6
output many common frequencies.
4 REF
CLK 5
SOIC-8 package
Pin Description
Name
X1/ICLK
Vcc
GND
REF
CLK
S0
S1
X2
Pin No.
1
2
3
4
5
6
7
8
Type
X1
P
P
O
O
T1
T1
XO
Description
Crystal connection or clock input.
Connect to +3.3V or +5V.
Connect to ground.
Buffered crystal oscillator output
clock
Clock output per Clock Output
Table.
Multiplier select pin 0, connect to
GND or Vcc or floating (no
connection).
Multiplier select pin 1, connect to
GND or Vcc or floating (no
connection).
Crystal connection. Leave
unconnected for clock input.
Clock Output Table
S1 S0
CLK
00
×41)
0 M2)
×(16/3)
01
×5
M0
×2.5
MM
×2
M1
×(10/3)
10
×6
1M
×3
11
×8
1) Note: CLK output frequency=ICLK×4.
2) Note: M=Leave unconnected (self-biases to
Vcc/2).
2014-08-0003
PT0152-7
08/14/14
1
1 page  
PT7C4511
PLL Clock Multiplier
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Mechanical Information
SOIC-8
Ordering Information
Part No.
PT7C4512WE
Note:
E = Pb-free and Green
Adding X Suffix= Tape/Reel
Package Code
W
Package
Lead free and Green 8-pin SOIC
Pericom Semiconductor Corporation 1-800-435-2336 www.pericom.com
Pericom reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design or performance and to supply
the best possible product. Pericom does not assume any responsibility for use of any circuitry described other than the circuitry embodied in Pericom product. The
company makes no representations that circuitry described herein is free from patent infringement or other rights, of Pericom.
2014-08-0003
PT0152-7
08/14/14
5
5 Page | ||
| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet PT7C4512.PDF ] | |
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