PI6C2972FC 데이터 시트보기 (PDF) - Pericom Semiconductor Corporation
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PI6C2972FC Datasheet PDF : 7 Pages
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PI6C2972
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Function Table 1
fsela1
fsela0
Qa
fselb1
fselb0
Qb
0
0
÷4
0
0
÷4
0
1
÷6
0
1
÷6
1
0
÷8
1
0
÷8
1
1
÷12
1
1
÷10
Function Table 2
fselFB2 fselFB1 fselFB0
QFB
0
0
0
÷4
0
0
1
÷6
0
1
0
÷8
0
1
1
÷10
1
0
0
÷8
1
0
1
÷12
1
1
0
÷16
1
1
1
÷20
Function Table 3
Control Pin
VCO_Sel
Ref_Sel
TCLK_Sel
PLL_En
MR/OE
Inv_CLK
Logic '0'
VCO/2
TCLK
TCLK0
Bypass PLL
Master Reset/Output Hi-Z
Non-Inverted Qc2, Qc3
Logic '1'
VCO
Xtal
TCLK1
Enable PLL
Enable Outputs
Inverted Qc2, Qc3
Crystal Recommendations
Parameters
Value
Crystal Cut
Fundamental AT Cut
Resonance
Parallel Resonance
Freq. Tolernace
±100ppm @ 25°C
Freq. Temp. Stability
±175ppm (0° to 70°C)
Operating Range
0° to 70°C
Shunt Capacitance
< 7pF
ESR
< 40-Ohm
Drive Level
5mW
Aging
5ppm / Year (First 3 years)
3
fselc1
0
0
1
1
fselc0
0
1
0
1
Qc
÷2
÷4
÷6
÷8
PS8590B 08/11/03
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