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TLK2521 Datasheet, PDF (1/19 Pages) Texas Instruments – 1 to 2.5 Gbps TRANSCEIVER
D Hot Plug Protection
D 1 to 2.5 Gigabits Per Second (Gbps)
Serializer/Deserializer
D High-Performance 64-Pin HTQFP Thermally
Enhanced Package (PowerPAD)
D 2.5-V Power Supply for Low Power
Operation
D Selectable Signal Preemphasis Serial
Output
D Interfaces to Backplane, Copper Cables, or
Optical Converters
D Lock Indication and Sync Mode for Fast
Initialization
TLK2521
1 to 2.5 Gbps TRANSCEIVER
SLLS574B − JULY 2003 − REVISED JANUARY 2004
D 18-Bit Parallel Busses for Flexible Interface
Applications
D On-chip PLL Provides Clock Synthesis
From Low-Speed Reference
D Receiver Differential Input Thresholds
200 mV Min
D Rated for Industrial Temperature Range
D Power: 424 mW at 2.5 Gbps
D Ideal for High-Speed Backplane
Interconnect and Point-to-Point Data Link
D Passive Receive Equalizer
VDD
TXD3
TXD4
TXD5
GND
TXD6
TXD7
GTX_CLK
VDD
TXD8
TXD9
TXD10
GND
TXD11
TXD12
TXD13
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VDD
RXD3
RXD4
RXD5
RXD6
GND
RXD7
RX_CLK
RXD8
RXD9
VDD
RXD10
RXD11
RXD12
RXD13
GND
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.
PowerPAD is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright  2003 − 2004, Texas Instruments Incorporated
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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