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PulseCore Semiconductor

PCS1P2857B Datasheet Preview

PCS1P2857B Datasheet

Multi-Output Clock Generator

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September 2006
rev 0.1
Multi-Output Clock Generator
PCS1P2857A/B
Features
Generates multiple clock outputs from an inexpensive
27MHz crystal .
Frequency outputs: PCS1P2857A
CLK1 : 27 MHz
CLK2 : 24 MHz
CLK3 : 14.31818 MHz
CLK4 : 14.31818 MHz
Frequency outputs: PCS1P2857B
CLK1 : 27 MHz
CLK2 : 24 MHz
CLK3 : 28.322 MHz
Operates with a 3.3V ± 5%V Supply Voltage
Available in 8 -pin SOIC and 8 -pin TSSOP.
Product Description
The PCS1P2857A/B is a versatile multi output clock
generator. The PCS1P2857A/B uses the latest PLL
technology. The four Clock outputs are generated using
an inexpensive 27MHz Crystal. The accuracy of the
27MHz Input Clock should be within ±50ppm. The
outputs consist of 24 MHz, 14.31818 MHz, and 28.322
MHz clocks together with a 27 MHz reference clock. The
device operates from a Supply Voltage of 3.3V±5%V.
The device is available in a 8 pin SOIC and 8 pin TSSOP
JEDEC package.
Application
PCS1P2854A/B is targeted for use in HDTV digital video.
Block Diagram
VDD
XIN
XOUT
Crystal
Oscillator
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CLK1
PLL
GND
CLK2
CLK3
CLK4
PulseCore Semiconductor Corporation
1715 S. Bascom Ave Suite 200, Campbell, CA 95008 Tel: 408-879-9077 Fax: 408-879-9018
www.pulsecoresemi.com
Notice: The information in this document is subject to change without notice.




PulseCore Semiconductor

PCS1P2857B Datasheet Preview

PCS1P2857B Datasheet

Multi-Output Clock Generator

No Preview Available !

September 2006
rev 0.1
Pin Deseription
XIN 1
8 CLK1
XOUT 2
7 CLK2
PCS1P2857A
VDD 3
6 CLK3
GND 4
5 CLK4
PCS1P2857A/B
XIN 1
8 CLK1
XOUT 2
7 CLK2
PCS1P2857B
VDD 3
6 CLK3
GND 4
5 NC
Pin Description
Pin #
Pin Name
1 XIN
2 XOUT
3 VDD
4 GND
5
CLK4
NC
6 CLK3
7 CLK2
8 CLK1
Pin Type
Input
Output
Power
Power
Output
-
Output
Output
Pin Description
Crystal connection or external reference frequency input. It can be
connected to a 27MHz Fundamental mode crystal
Connection to crystal. If using an external reference clock, this pin must be
left unconnected.
Connect to +3.3V.
Connect to ground.
14.31818MHz Clock output (PCS1P2857A)
No connection (PCS1P2857B)
14.31818MHz Clock output (PCS1P2857A)
28.322MHz Clock output (PCS1P2857B)
24MHz Clock output
27MHz Reference Clock output
Absolute Maximum Ratings
Symbol
Parameter
Rating
Unit
VDD
VIN
TSTG
TA
Ts
TJ
Power Supply Voltage relative to Ground
Input Voltage relative to Ground (Input Pins)
Storage temperature
Operating temperature
Max. Soldering Temperature (10 sec)
Junction Temperature
-0.5 to +4.6
-0.5 to VDD+0.5
-65 to +150
0 to +70
260
125
V
°C
°C
°C
°C
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Static Discharge Voltage
(As per JEDEC STD22- A114-B)
2 KV
Note: These are stress ratings only and are not implied for functional use. Exposure to absolute maximum ratings for prolonged periods of time may affect
device reliability.
Multi-Output Clock Generator
Notice: The information in this document is subject to change without notice.
2 of 8


Part Number PCS1P2857B
Description Multi-Output Clock Generator
Maker PulseCore Semiconductor
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PCS1P2857B Datasheet PDF






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