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PDF PI6LC48P0101 Data sheet ( Hoja de datos )
| Número de pieza | PI6LC48P0101 | |
| Descripción | HiFlex 10GbE Clock Generator | |
| Fabricantes | Pericom Semiconductor | |
| Logotipo |  |
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PI6LC48P0101
HiFlex 10GbE Clock Generator
Features
ÎÎOne Differential LVPECL output
ÎÎCrystal oscillator interface, 18pF parallel resonant crystal
(23.2MHz - 30MHz)
ÎÎOutput frequency range: 290MHz - 750MHz
ÎÎRMS phase jitter @ 312.5MHz, using a 25MHz crystal
(12kHz - 20MHz): 0.3ps (typical), 0.5ps (max)
ÎÎ3.3V or 2.5V operating supply
ÎÎ-40°C to 85°C operating temperature
ÎÎAvailable in 8pin TSSOP
Description
The PI6LC48P0101 is a 10Gb Ethernet Clock Generator. The
PI6LC48P0101 uses an 18pF parallel resonant crystal over the
range of 23.2MHz - 30MHz. For Ethernet applications, a 25MHz
crystal is used. The PI6LC48P0101 can achieve <0.5ps RMS
phase jitter performance over the 12kHz - 20MHz integration
range. The PI6LC48P0101 is packaged in a small 8-pin TSSOP,
making it ideal for use in systems with limited board space.
Common Configuration Table
Inputs
Crystal Frequency
(MHz)
25
25
FREQ_SEL
1
0
M
25
25
N
1
2
Multiplication Value
M/N
25
12.5
Output Frequency
(MHz)
625
312.5
Block Diagram
FREQ_SEL Pulldown
XTAL_IN/ REF_IN
XTAL_OUT
Phase
OSC Detector
VCO
M = : 25 (Fixed)
FREQ_SEL
1
0 (default)
N
:1
:2
Pin Configuration
VDDA 1
VEE 2
XTAL_OUT 3
Q+
Q- XTAL_IN/ 4
REF_IN
8 VDD
7 Q+
6 Q-
5 FREQ_SEL
15-0117
1 www.pericom.com PI6LC48P0101 Rev A
09/01/15
1 page  
AC Electrical Characteristics
(VDD = 3.3V±5%, VEE = 0V, TA = -40°C to 85°C)
Symbol Parameter
fOUT Output Frequency
tjit RMS Phase Jitter (Random)*
tR / tF
Output Rise/Fall Time
odc Output Duty Cycle
NOTE: Refer to the Phase Noise Plots following this section.
PI6LC48P0101
HiFlex 10GbE Clock Generator
Test Conditions
FREQ_SEL = 0
FREQ_SEL = 1
312.5MHz @ Integration Range:
12kHz - 20MHz
312.5MHz @ Integration Range:
1.875MHz - 20MHz
625MHz @ Integration Range:
12kHz - 20MHz
625MHz @ Integration Range:
1.875MHz - 20MHz
20% to 80%
Min.
Typ.
312.5
625
Max. Units
MHz
MHz
0.3 0.5
ps
0.1
0.3 0.5
0.07
ps
100 400 ps
47 53 %
AC Electrical Characteristics (VDD = 2.5V±5%, VEE = 0V, TA = -40°C to 85°C)
Symbol
fOUT
Parameter
Output Frequency
tjit RMS Phase Jitter (Random)*
tR / tF
Output Rise/Fall Time
odc Output Duty Cycle
NOTE: Refer to the Phase Noise Plots following this section.
Test Conditions
FREQ_SEL = 0
FREQ_SEL = 1
312.5MHz @ Integration Range:
12kHz - 20MHz
312.5MHz @ Integration Range:
1.875MHz - 20MHz
625MHz @ Integration Range:
12kHz - 20MHz
625MHz @ Integration Range:
1.875MHz - 20MHz
20% to 80%
Min.
Typ.
312.5
625
Max. Units
MHz
MHz
0.3 0.5
ps
0.1
0.3 0.5
0.07
ps
100 400 ps
47 53 %
15-0117
5 www.pericom.com PI6LC48P0101 Rev A
09/01/15
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet PI6LC48P0101.PDF ] | |
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