pi6c557-03 Pericom Semiconductor Corporation, pi6c557-03 Datasheet - Page 2

• Manufacturer Part Number: pi6c557-03
• Description: 100mhz, 125mhz Dual Pcie Clock Generator
• Manufacturer: Pericom Semiconductor Corporation

Pin Description
Table 1: Output Select Table
Pin #
10
12
13
14
15
16
11
2
3
4
5
6
7
8
9
1
07-0274
S1
0
0
1
1
Pin Name
X1/CLK
GNDX
VDDX
VDDA
GNDA
CLK1
CLK1
CLK0
CLK0
IREF
SS0
SS1
OE
X2
S0
S1
I/O Type
Output
Output
Output
Output
Output
Output
Power
Power
Power
Power
Input
Input
Input
Input
Input
Input
S0
0
1
0
1
Description
Select pin 0 (Internal pull-up resistor). See Table 1.
Select pin 1 (Internal pull-up resistor). See Table 1.
Spread Select pin 0 (Internal pull-up resistor). See Table 2.
Crystal or clock input. Connect to a 25MHz crystal or single ended clock.
Crystal connection. Leave unconnected for clock input.
Output enable. Internal pull-up resistor.
Crystal ground pin.
Spread Select pin 1 (Internal pull-up resistor). See Table 2.
Precision resistor attached to this pin is connected to the internal current reference.
HCSL compliment clock output
HCSL clock output
Connect to a +3.3V source.
Output and analog circuit ground.
HCSL compliment clock output
HCSL clock output
Connect to a +3.3V source.
CLK(MHz)
100
125
200
25
2
Table 2: Spread Selection Table
SS1
0
0
1
1
SS0
0
1
0
1
PCI Express Clock
PS8824C
Center ±0.25
Down -0.75
Down -0.5
No Spread
PI6C557-03
Spread
12/14/07