pi6c2972 Pericom Semiconductor Corporation, pi6c2972 Datasheet - Page 2

• Manufacturer Part Number: pi6c2972
• Description: Low Voltage Pll Clock Driver Semiconductor Corporation
• Manufacturer: Pericom Semiconductor Corporation

1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 1 2 3 4 5 6 7 8 9 0 1 2
Block Diagram
REF_Sel
VC0_Sel
PLL_En
fselFB2
MR/OE
TCLK_Sel
fselFBO:1
Frz_Data
POWER-ON
Inv_Clk
Frz_Clk
fsela0:1
fselb0:1
fselc0:1
Ext_FB
TCLK0
TCLK1
RESET
xtal_1
xtal_2
0
1
2
2
2
2
DETECTOR
PHASE
Data Generator
Output Disable
Circuitry
÷4, ÷6, ÷8, ÷12
÷4, ÷6, ÷8, ÷10
÷2, ÷4, ÷6, ÷8
÷4, ÷6, ÷8, ÷10
LPF
Sync Pulse
VCO
12
2
0
1
÷2
0
1
D
D
D
D
D
D
Low Voltage PLL Clock Driver
Q
Q
Q
Q
Q
Q
Sync
Sync
Sync
Sync
Sync
Frz
Frz
Frz
Frz
Frz
PS8590C
PI6C2972
Qa0
Qa1
Qa2
Qb0
Qc0
QFB
Qa3
Qb1
Qb2
Qb3
Qc1
Qc2
QSync
Qc3
09/22/04