FQ251 · FQ241 · FQ231 · FQ221 · FQ211 · FQ201 · FQ621· FQ421
FlexQTMI
5 Volt Synchronous x9 First-In/First-Out Queue
Memory Configuration
Device
8,192 x 9
FQ251
Memory Configuration
512 x 9
Device
FQ211
4,096 x 9
FQ241
256 x 9
FQ201
2,048 x 9
FQ231
128 x 9
FQ621
1,024 x 9
FQ221
64 x 9
FQ421
Key Features:
•
•
•
•
•
•
•
•
•
•
Industry leading First-In/First-Out Queues (up to 100MHz)
Independent Write and Read cycle time
5V power supply
Full, Empty, Almost Full, and Almost Empty flag indicators
Preset for Almost Full ( PRAF ) and Almost Empty ( PRAE ) offset values
Programmable PRAF and PRAE offset values
Asynchronous output enable tri-state data output drivers
Available packages: 32 - pin Plastic Lead Chip Carrier (PLCC), 32 - pin Plastic Thin Quad Flat Package
(TQFP)
(0°C to 70°C) Commercial operating temperature available for cycle time of 10ns and above
(-40°C to 85°C) Industrial operating temperature available for cycle time of 10ns and above
Product Description:
HBA’s FlexQ™ I offers industry leading FIFO queuing bandwidth (up to 1 Gbps) with a wide range of memory configurations
(from 64 x 9 to 8,192 x 9). System designer has full flexibility of implementing deeper and wider queues using the depth and
width expansion features. Full and Empty indicators allow easy handshaking between transmitters and receivers. User
programmable Almost Full and Almost Empty (Parallel) indicators allow implementation of virtual queue depths.
Asynchronous Output Enable pin configures the tri-state data output drivers. Independent Write and Read controls provide ratematching capability.
These FlexQ™ I devices have low power consumption, hence minimizing system power requirements. In addition, industry
standard 32 - pin PLCC and 32 - pin TQFP are offered to save system board space.
These queues are ideal for applications such as data communication, telecommunication, graphics, multiprocessing, test
equipment, network switching, etc.
5F109C
© 2003 High Bandwidth Access, Inc. All rights reserved. Product specifications subject to change without notice.
MARCH 2003
Page 1 of 26
