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What is PI6LC48S25A?

This electronic component, produced by the manufacturer "Pericom Semiconductor", performs the same function as "Ethernet Network Clock Generator".


PI6LC48S25A Datasheet PDF - Pericom Semiconductor

Part Number PI6LC48S25A
Description Ethernet Network Clock Generator
Manufacturers Pericom Semiconductor 
Logo Pericom Semiconductor Logo 


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PI6LC48S25A
Next Generation HiFlexTM Ethernet Network Clock Generator
Features
ÎÎ3.3V & 2.5V supply voltage
ÎÎCrystal/CMOS input: 25 MHz
ÎÎDifferential input: 25MHz, 125MHz, and 156.25 MHz
ÎÎOutput frequencies: 312.5, 156.25, 125, 100, 50, 25MHz
ÎÎ4 Output banks with selectable output signaling: LVPECL or
LVDS
ÎÎLow 0.3ps typical integrated phase noise design: 156.25MHz
(12kHz to 20MHz)
ÎÎPLL Bypass mode for test
ÎÎPower supply noise rejection: -52 dBc typical @ VDD
ÎÎPackaging (Pb-free & Green): 56-lead 8×8mm TQFN
ÎÎIndustrial temperature support: -40C to 85C
Description
The PI6LC48S25A is an LC VCO based low phase noise design
intended for 10GbE applications. Typical 10GbE usage assumes
a 25MHz crystal input, while the PLL loop is used to generate
the 156.25MHz and other Ethernet clock frequencies. An ad-
ditional buffered crystal oscillator output is provided to serve as
a low noise reference for other circuitry.
For Ethernet applications other than 10GbE, programmable
dividers allow for simultaneous output of 312.5, 156.25, 125, 100,
50, and 25MHz. This device offers both pin selection and I2C
interface to give more options to meet various system needs.
Pin Configuration
FS_C
VDD
IN_SEL
IN+
IN-
VDD_OSC
X_IN/CLK
X_OUT
PLL_BYPASS
I2C_ADR_SEL
VDDA
INFREQ_SEL
FS_D0
FS_D1
56 55 54 53 52 51 50 49 48 47 46 45 44 43
1 42
2 41
3 40
4 39
5 38
6 37
7
8 GND
36
35
9 34
10 33
11 32
12 31
13 30
14 29
15 16 17 18 19 20 21 22 23 24 25 26 27 28
QB0+
QB0-
QB1+
QB1-
VDD_OB
QB2+
QB2-
QB3+
QB3-
VDD_OB
QB4+
QB4-
QB5+
QB5-
14-0129
1
PI6LC48S25A Rev A
07/23/14

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PI6LC48S25A equivalent
PI6LC48S25A
Next Generation HiFlexTM Ethernet Network Clock Generator
Maximum Ratings
(Above which useful life may be impaired. For user guidelines, not tested.)
Storage Temperature........................................................... –65°C to +150°C
Supply Voltage to Ground Potential, VDD .......................–0.5V to +4.6V
ESD Protection (HBM) ...................................................................... 2000 V
Note: Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these
or any other conditions above those indicated in the operational
sections of this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may affect
reliability.
Operating Conditions
Symbol Parameters
VDD Core Power Supply Voltage
Conditions
VDD_OX
Output Power Supply Voltage
VDDA
IDD
IDD_O
IDDA
TA
Analog Power Supply Voltage
Power Supply Current
Power Supply Current for Outputs
Analog Power Supply Current
Ambient Temperature
All outputs loaded, Diff.
outputs are LVPECL
All outputs loaded, Diff.
outputs are LVDS
Min..
2.97
2.375
2.97
2.375
2.97
2.375
–40
Typ.
3.3
2.5
3.3
2.5
3.3
2.5
Max.
3.63
2.625
3.63
2.625
3.63
2.625
50
525
242
45
85
Units
V
V
V
V
V
V
mA
mA
mA
mA
°C
Input Electrical Characteristics
Symbol
Rpu
Rdn
CXTAL
Parameters
Internal pull up resistance
Internal pull down resistance
Internal capacitance on X_IN and
X_OUT pins
Conditions
Min.
Typ.
51
51
12
Max.
Units
KW
KW
pF
14-0129
5
PI6LC48S25A Rev A
07/23/14


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Part Details

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Featured Datasheets

Part NumberDescriptionMFRS
PI6LC48S25AThe function is Ethernet Network Clock Generator. Pericom SemiconductorPericom Semiconductor

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