September 2006
rev 0.1
Pin Deseription
PCS1P2857A/B
XIN
1
XOUT
2
8
CLK1
7
CLK2
XIN
1
XOUT
2
8
CLK1
7
CLK2
PCS1P2857A
VDD
3
GND
4
6
PCS1P2857B
CLK3
VDD
3
GND
4
6
5
CLK3
NC
5
CLK4
Pin Description
Pin #
1
2
3
4
5
6
7
8
Pin Name
XIN
XOUT
VDD
GND
CLK4
NC
CLK3
CLK2
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
VDD
V
IN
T
STG
T
A
T
s
T
J
T
DV
Parameter
Power Supply Voltage relative to Ground
Input Voltage relative to Ground (Input Pins)
Storage temperature
Operating temperature
Max. Soldering Temperature (10 sec)
Junction Temperature
Static Discharge Voltage
(As per JEDEC STD22- A114-B)
Rating
-0.5 to +4.6
-0.5 to VDD+0.5
-65 to +150
0 to +70
260
125
2
Unit
V
°C
°C
°C
°C
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.
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