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PI3L500 Datasheet(PDF) 1 Page - Pericom Semiconductor Corporation

Part No. PI3L500
Description  3.3V, 8-Channel, 2:1 Mux/DeMux Gigabit Ethernet LAN Switch with Single Enable
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Maker  PERICOM [Pericom Semiconductor Corporation]
Homepage  http://www.pericom.com
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PI3L500 Datasheet(HTML) 1 Page - Pericom Semiconductor Corporation

   
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1
PS8719A
03/01/05
Features
• RON is 4Ω typical
• Low bit-to-bit skew: 200ps
• Low Crosstalk: –22dB @ 250MHz
• Near-Zero propagation delay: 250ps
• Switching speed: 9ns
• Channel On capacitance: 10pF (typical)
• Live Insertion Capable
• Status Indicator LEDs Switched with Ethernet pairs
• VCC Operating Range: +3.0V to +3.6V
• ESD>3000V . . . Human Body Model
• >350 MHz bandwidth (or data frequency)
• Packaging:
· Pb-free and Green 56-contact TQFN (ZF)
· 56-contact TQFN (ZF)
Applications
• Dual Physical Layer Device sharing to one interface
connector
• Routes signals for 10/100/1000 Mbit Ethernet
Description
PericomSemiconductor’sPI3Lseriesofswitchcircuitsareproduced
using the Company’s advanced sub-micron CMOS technology,
achieving industry leading performance.
ThePI3L500isa16-to8-Channelmultiplexer/demultiplexerLAN
Switch with Hi-Z outputs. Industry leading advantages include a
propagation delay of less than 250ps, resulting from its low channel
resistance and I/O capacitance. The device multiplexes differential
outputs from a Gigabit Ethernet transceiver (PHY) device to one
of two corresponding B1 or B2 outputs. The switch is bidirectional
and offers little or no attenuation of the high-speed signals at the
outputs. It is designed for low bit-to-bit skew, high channel-to-
channel noise isolation and is compatible with various standards,
such as 10/100/1000 Base-T (Ethernet).
Generally, this part can be used to replace mechanical relays in
low-voltage LAN applications that interface a physical layer over
CAT 5 or CAT 6 unshielded twisted pair cable through an isolation
transformer.
Block Diagram
Pin Description
PI3L500
3.3V, 8-Channel, 2:1 Mux/DeMux
Gigabit Ethernet LAN Switch with Single Enable
GND
A0
A1
VDD
N.C.
GND
A2
A3
GND
VDD
A4
A5
GND
A6
A7
GND
SEL
VDD
LED0
LED1
0B1
1B1
0B2
1B2
GND
2B1
3B1
2B2
3B2
GND
VDD
4B1
5B1
4B2
5B2
GND
6B1
7B1
6B2
7B2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
SEL
A7
A6
A1
A0
1B1
0B1
1B2
0B2
7B1
6B1
7B2
6B2
LEDX
XLED1
XLED2


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