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PDF PI3L500-A Data sheet ( Hoja de datos )
| Número de pieza | PI3L500-A | |
| Descripción | 2:1 Mux/DeMux Gigabit Ethernet LAN Switch | |
| Fabricantes | Pericom Semiconductor | |
| Logotipo |  |
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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)
• Status Indicator LEDs Switched with Ethernet pairs
• VCC Operating Range: +3.0V to +3.6V
• Enhanced ESD Protection:
– 8kV (contact)(1)
– Switch pins: 1.1kV (machine model),
12kV (human body model)
• >550 MHz bandwidth (or data frequency)
• Packaging:
– Pb-free and Green, 56-contact TQFN (ZF)
Applications
• Dual Physical Layer Device sharing to one interface
connector
• Routes signals for 10/100/1000 Mbit Ethernet
PI3L500-A
3.3V, 8-Channel, 2:1 Mux/DeMux
Gigabit Ethernet LAN Switch with Single Enable
and Enhanced ESD Protection
Description
The PI3L500-Ais a 8-Channel 2:1 multiplexer/demultiplexer LAN
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.
Note: 1. IEC 61000-4-2
Block Diagram
Pin Description
A0
A1
A6
A7
LEDX
SEL
0B1
1B1
0B2
1B2
6B1
7B1
6B2
7B2
XLED1
XLED2
GND
A0
A1
VDD
N.C.
GND
A2
A3
GND
VDD
A4
A5
GND
A6
A7
GND
SEL
VDD
LED0
LED1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
48 0B1
47 1B1
46 0B2
45 1B2
44 GND
43 2B1
42 3B1
41 2B2
40 3B2
39 GND
38 VDD
37 4B1
36 5B1
35 4B2
34 5B2
33 GND
32 6B1
31 7B1
30 6B2
29 7B2
1
PS8803
12/13/05
1 page  
PI3L500-A
3.3V, 8-Channel, 2:1 Mux/DeMux Gigabit Ethenet LAN
Switch w/Single Enable and Enhanced ESD Protection
Test Circuit for Electrical Characteristics
Pulse
Generator
VIN
RT
6.0V
VCC
D.U.T
VOUT
200-ohm
10pF
CL
200-ohm
Switch Positions
Test
tPLZ, tPZL (output on B-side)
tPHZ, tPZH (output on B-side)
Prop Delay
Switch
6.0V
GND
Open
Notes:
CL = Load capacitance: includes jig and probe capacitance.
RT = Termination resistance: should be equal to ZOUT of the Pulse Generator
Test Circuit for Dynamic Electrical Characteristics
HP4195A
S1
R1 T1
VCC
D.U.T
HP11667A
10pF 50-ohm
5
PS8803
12/13/05
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet PI3L500-A.PDF ] | |
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