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3.3V MULTI-QUEUE FLOW-CONTROL DEVICES (16 QUEUES) 36 BIT WIDE CONFIGURATION
589,824 bits 1,179,648 bits 2,359,296 bits
IDT72V51436 IDT72V51446 IDT72V51456
FEATURES:
• Choose from among the following memory density options: IDT72V51436 Total Available Memory = 589,824 bits IDT72V51446 Total Available Memory = 1,179,648 bits IDT72V51456 Total Available Memory = 2,359,296 bits
• Configurable from 1 to 16 Queues • Queues may be configured at master reset from the pool of
Total Available Memory in blocks of 256 x 36
• Independent Read and Write access per queue • User programmable via serial port • Default multi-queue device configurations
– IDT72V51436 : 1,024 x 36 x 16Q
– IDT72V51446 : 2,048 x 36 x 16Q
– IDT72V51456 : 4,096 x 36 x 16Q
• 100% Bus Utilization, Read and Write on every clock cycle • 166 MHz High speed operation (6ns cycle time) • 3.7ns access time • Individual, Active queue flags (OV, FF, PAE, PAF, PR) • 8 bit parallel flag status on .