pi6c3622 Pericom Semiconductor Corporation, pi6c3622 Datasheet - Page 2

• Manufacturer Part Number: pi6c3622
• Description: Low Power Spread Spectrum Frequency Multiplier
• Manufacturer: Pericom Semiconductor Corporation

Pin Description
Spreading Ratio Confi guration
VDD = 2.5V ±5% / 3.3V ±10%, Ambient Temperature 25°C
Fin (MHz) S1,S0 = (0,0)
20
24
27
32
36
40
X1/CLKIN
Pin Name
CLKOUT
SSON
GND
VDD
X2
S1
S0
Center (%)
SSON=1
±0.30
±0.28
±0.25
±0.25
±0.23
±0.20
Pin No.
S1,S0 = (0,1)
Center (%)
SSON=1
1
2
3
4
5
6
7
8
±0.60
±0.55
±0.50
±0.45
±0.45
±0.40
IO Type
GND
PWR
O
O
I
I
I
I
S1,S0 = (1,0)
Center (%)
SSON=1
±0.80
±0.75
±0.70
±0.65
±0.60
±0.55
Crystal connection or reference frequency input. This pin
has multiple functions. It can be connected either to an
external crystal or an external reference clock.
Ground.
Spreading Ratio Selection (0, 1); Default = 1; Internal
60K Ω pull–up included.
This pin enables/disables the Spread Spectrum feature;
Default= 1 (enabled); Internal 60KΩ pull-up included
Spread spectrum clock output.
Frequecy Range Selection (0, 1); Default = 0; Internal
60K Ω pull-DOWN included
Power Supply
Crystal connection. If using an external reference, this pin
must be left unconnected.
2
Low Power Spread Spectrum Frequency Multiplier
S1,S0 = (1,1)
SSON=1
Center
±1.20
±1.10
±1.00
±0.90
±0.85
±0.80
Description
S1,S0 = 0/1
No Spread
SSON=0
0
0
0
0
0
0
Modulation Rate
SSCG-GP Family
PS8939A
31.25~62.5
F
F
F
F
F
F
(KHz)
in
in
in
in
in
in
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PI6C3622
01/29/08