LAN SWITCH. TS3L4892 Datasheet

TS3L4892 SWITCH. Datasheet pdf. Equivalent

TS3L4892 Datasheet
Recommendation TS3L4892 Datasheet
Part TS3L4892
Description 16-BIT TO 8-BIT SPDT GIGABIT LAN SWITCH
Feature TS3L4892; www.ti.com TS3L4892 16-BIT TO 8-BIT SPDT GIGABIT LAN SWITCH WITH LED SWITCH SCDS251 – MARCH 2008 F.
Manufacture etcTI
Datasheet
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Texas Instruments TS3L4892
www.ti.com
TS3L4892
16-BIT TO 8-BIT SPDT GIGABIT LAN SWITCH
WITH LED SWITCH
SCDS251 – MARCH 2008
FEATURES
1
Wide Bandwidth (BW = 1100 MHz Typ)
Low Crosstalk (XTALK = –37 dB Typ)
Low Bit-to-Bit Skew (tsk(o) = 100 ps Max)
Low and Flat ON-State Resistance
(rON = 4 Typ, rON(flat) = 0.5 Typ)
Low Input/Output Capacitance
(CON = 8 pF Typ)
Rail-to-Rail Switching on Data I/O Ports
(0 to 5 V)
VCC Operating Range From 3 V to 3.6 V
Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
ESD Performance Tested Per JESD 22
– 2000-V Human-Body Model
(A114-B, Class II)
– 1000-V Charged-Device Model (C101)
APPLICATIONS
10/100/1000 Base-T Signal Switching
Differential (LVDS, LVPECL) Signal Switching
Audio/Video Switching
Hub and Router Signal Switching
RHH PACKAGE
(TOP VIEW)
A1
A2
A3
LED0
0LED1
0LED2
A4
A5
A6
1
2
3
4
5
6
7
8
9
27 SEL
26 2B1
25 3B1
24 2B2
23 3B2
22 4B1
21 5B1
20 4B2
19 5B2
PIN DESCRIPTION
NAME
An
nBm
SEL
LEDx
XLEDm
DESCRIPTION
Data I/O
Data I/O
Select input
LED I/O port
LED I/O port
DESCRIPTION/ORDERING INFORMATION
The TS3L4892 is a 16-bit to 8-bit multiplexer/demultiplexer LAN switch with a single select (SEL) input. SEL
controls the data path of the multiplexer/demultiplexer. The device provides additional I/Os for switching status
indicating LED signals.
The device provides a low and flat ON-state resistance (rON) and an excellent ON-state resistance match. Low
input/output capacitance, high bandwidth, low skew, and low crosstalk among channels make this device suitable
for various LAN applications, such as 10/100/1000 Base-T.
This device can be used to replace mechanical relays in LAN applications. It also can be used to route signals
from a 10/100 Base-T ethernet transceiver to the RJ-45 LAN connectors in laptops or in docking stations.
TA
–40°C to 85°C
ORDERING INFORMATION
PACKAGE (1) (2)
ORDERABLE PART NUMBER
QFN – RHH
Tape and reel TS3L4892RHHR
TOP-SIDE MARKING
TK4892
(1) Package drawings, standard packing quantities, and symbolization are available at www.ti.com/packaging.
(2) For the most current package and ordering information, see the Package Option Addendum at the end of this document, or see the TI
website at www.ti.com.
INPUT
SEL
L
H
FUNCTION TABLE
INPUT/OUTPUT
An
nB1
nB2
FUNCTION
An = nB1, LEDx = XLED1
An = nB2, LEDx = XLED2
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of the Texas
Instruments standard warranty. Production processing does not
necessarily include testing of all parameters.
Copyright © 2008, Texas Instruments Incorporated



Texas Instruments TS3L4892
TS3L4892
16-BIT TO 8-BIT SPDT GIGABIT LAN SWITCH
WITH LED SWITCH
SCDS251 – MARCH 2008
LOGIC DIAGRAM (POSITIVE LOGIC)
36
A0
1
A1
31
0B1
30
1B1
29
0B2
28
1B2
2
A2
3
A3
7
A4
8
A5
26
2B1
25
3B1
24
2B2
23
3B2
22
4B1
21
5B1
20
4B2
19
5B2
9
A6
10
A7
18
6B1
17
7B1
16
6B2
15
7B2
4
LED0
12
LED1
LED2 34
5
0LED1
6
0LED2
13
1LED1
14
1LED2
33
2LED1
32
2LED2
SEL 27
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Copyright © 2008, Texas Instruments Incorporated



Texas Instruments TS3L4892
www.ti.com
TS3L4892
16-BIT TO 8-BIT SPDT GIGABIT LAN SWITCH
WITH LED SWITCH
SCDS251 – MARCH 2008
ABSOLUTE MAXIMUM RATINGS(1)
over operating free-air temperature range (unless otherwise noted)
VCC Supply voltage range
VIN Control input voltage range(2)(3)
VI/O Switch I/O voltage range(2)(3)(4)
IIK Control input clamp current
II/OK I/O port clamp current
II/O ON-state switch current(5)
Continuous current through VDD or GND
θJA Package thermal impedance(6)
Tstg Storage temperature range
VIN < 0
VI/O < 0
MIN MAX UNIT
–0.5 4.6 V
–0.5 7 V
–0.5 7 V
–50 mA
–50 mA
±128 mA
±100 mA
31.8 °C/W
–65 150 °C
(1) Stresses beyond those listed under "absolute maximum ratings" may cause permanent damage to the device. These are stress ratings
only, and functional operation of the device at these or any other conditions beyond those indicated under "recommended operating
conditions" is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltages are with respect to ground, unless otherwise specified.
(3) The input and output voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
(4) VI and VO are used to denote specific conditions for VI/O.
(5) II and IO are used to denote specific conditions for II/O.
(6) The package thermal impedance is calculated in accordance with JESD 51-7.
RECOMMENDED OPERATING CONDITIONS(1)
VCC Supply voltage
VIH High-level control input voltage (SEL)
VIL Low-level control input voltage (SEL)
VI Input voltage (SEL)
VI/O Input/output voltage
TA Operating free-air temperature
MIN MAX UNIT
3 3.6 V
2 5.5 V
0 0.8 V
0 5.5 V
0
VCC
V
–40 85 °C
(1) All unused control inputs of the device must be held at VDD or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): TS3L4892
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