CQV8110 · CQV8100 · CQV890 · CQV880 · CQV870 · CQV860 · CQV850 · CQV840
ChannelQTM
3.3 Volt Synchronous 8 Channel Queue
Memory Configuration
131,072 x 40
65,536 x 40
Device
CQV8110
CQV8100
CQV890
CQV880
CQV870
CQV860
CQV850
CQV840
32,768 x 40
16,384 x 40
8,192 x 40
4,096 x 40
2,048 x 40
1,024 x 40
Key Features
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Single device solution providing complete data queuing and switching functions (up to 166 MHz)
Write cycle time of 6.0ns independent of Read cycle time (Data Setup time = 2.0ns)
Read cycle time of 6.0ns independent of Write cycle time (Data Access time = 4.0ns)
3.3V power supply
5V input tolerant on all control and data input pins
5V output tolerant on all flags and data output pins
5-bit wide data channels, up to sixteen channels per chip (80 bits total)
Reconfigurable data switching supporting channel unicast, multicast and broadcast
Master Reset clears all previously programmed configurations including Write and Read pointers
Partial Reset clears Write and Read pointers but maintains all previously programmed configurations
First Word Fall Through (FWFT) and Standard Timing modes
Presets for eight different Almost Full and Almost Empty offset values
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Parallel/Serial programming of PRAF and PRAE offset values
Programmable 8-bit or 10-bit parallel programming modes for offset values
Full, Empty, Almost Full, Almost Empty, and Half Full indicators
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PRAF and PRAE operates in either synchronous or asynchronous modes
Individual synchronous channel output enable signals controlling tri-state data output drivers
Asynchronous device output enable signals controlling tri-state data output drivers
Data retransmission with programmable zero or normal latency modes
Switching management
Available package: 144 - pin Plastic Thin Quad Flat Pack (TQFP)
(0°C to 70°C) Commercial operating temperature available for cycle time of 6.0ns and above
(-40°C to 85°C) Industrial operating temperature available for cycle time of 7.5ns and above
Product Description
HBA’s ChannelQTM product family represents the next generation bandwidth management solutions by providing advanced data
queuing and switching functions within a single chip. System designers can take full advantage of the flexible data switching
functions offered by the ChannelQ products while maintaining access to all the advanced features available in HBA’s existing
FlexQTM family, such as programmable FIFO status flags, programmable data access timing (First-Word-Fall-Through and
Standard modes), data retransmission with programmable latency mode, and tri-state output data drivers.
JULY 2002
3C040B
© 2001 High Bandwidth Access, Inc. All rights reserved. Product specifications subject to change without notice.
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