2.5 Gigabit/sec 16x16 Digital Crosspoint Switch
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S E M I C O N D U C T O R, I N C .
TQ8025
32 DIØ–15 (differential)
PECL/CML Input Buffers
16 ...
Description
T
R
I
Q
U
I
N
T
S E M I C O N D U C T O R, I N C .
TQ8025
32 DIØ–15 (differential)
PECL/CML Input Buffers
16 x 16 Crosspoint Switch Matrix
32
PRELIMINARY DATA SHEET
DOØ–15 (differential)
PECL/CML Output Buffers
RESET– LDMODE CONFIG
16 x 4 Configuration Latches 4-Bit Shift Register
READY
2.5 Gigabit/sec 16x16 Digital Crosspoint Switch
Features
16 PECL/CML fully differential (back-terminated) outputs >2.5 Gb/s data bandwidth per channel >40 Gb/s aggregate bandwidth
SWITCHING PRODUCTS
ADD15
+5V GND
ADDØ
4-Bit Shift Register
LOAD CLOCK ADDREN AUTOCONFIG
Address Generator and Control
RADDØ RADD1
TQ8025
The TQ8025 is a non-blocking 16 x 16 digital crosspoint switch capable of data rates greater than 2.5 gigabits per second per port. With a fully differential internal data path and PECL/CML I/O, the TQ8025 offers an extremely high data rate with exceptional signal fidelity. The use of fully differential logic results in low crosstalk, jitter, and signal skew. The TQ8025 is ideally suited for digital video, data communications, telecommunication switching, and cross-connect applications. The non-blocking architecture uses 16 fully independent 16:1 multiplexers which allow each output port to be independently programmed to any input port. The TQ8025 offers two programming options: a flexible port-by-port option, and a fast configuration option. Using the fast configuration option, all 16 switch ports are programmed within 80ns by serially loading four 1...
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