參數(shù)資料
型號(hào): IDT72T51546L6BBI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES (32 QUEUES) 36 BIT WIDE CONFIGURATION 1,179,648 bits and 2,359,296 bits
中文描述: 32K X 36 OTHER FIFO, 3.7 ns, PBGA256
封裝: 17 X 17 MM, 1 MM PITCH, PLASTIC, BGA-256
文件頁(yè)數(shù): 6/64頁(yè)
文件大?。?/td> 639K
代理商: IDT72T51546L6BBI
6
COMMERCIAL AND INDUSTRIAL
TEMPERATURE RANGES
IDT72T51546/72T51556 2.5V, MULTI-QUEUE FLOW-CONTROL DEVICES
(32 QUEUES) 36 BIT WIDE CONFIGURATION 1,179,648 and 2,359,296 bits
status flag, “Packet Ready”. The Packet Ready (
PR
) flag in conjunction with
Output Valid (
OV
) indicates when at least one packet is available to read. When
in packet mode the almost empty flag status , provides packet ready flag status
for individual queues.
EXPANSION
Expansion of multi-queue devices is also possible, up to 8 devices can be
connected in a parallel fashion providing the possibility of both depth expansion
or queue expansion. Depth Expansion means expanding the depths of
individual queues. Queue expansion means increasing the total number of
queues available. Depth expansion is possible by virtue of the fact that more
memory blocks within a multi-queue device can be allocated to increase the
depth of a queue. For example, depth expansion of 8 devices provides the
possibility of 8 queues of 64K x36 deep, each queue being setup within a single
device utilizing all memory blocks available to produce a single queue. This is
the deepest queue that can setup within a device.
For queue expansion a maximumnumber of 256 (8 x 32) queues may be
setup, each queue being 2K x36 deep, if less queues are setup, then more
memory blocks will be available to increase queue depths if desired. When
connecting multi-queue devices in expansion mode all respective input pins
(data & control) and output pins (data & flags), should be “connected” together
between individual devices.
相關(guān)PDF資料
PDF描述
IDT72T51556 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES (32 QUEUES) 36 BIT WIDE CONFIGURATION 1,179,648 bits and 2,359,296 bits
IDT72T51556L5BB 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES (32 QUEUES) 36 BIT WIDE CONFIGURATION 1,179,648 bits and 2,359,296 bits
IDT72T51556L5BBI 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES (32 QUEUES) 36 BIT WIDE CONFIGURATION 1,179,648 bits and 2,359,296 bits
IDT72T51556L6BB 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES (32 QUEUES) 36 BIT WIDE CONFIGURATION 1,179,648 bits and 2,359,296 bits
IDT72T51556L6BBI 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES (32 QUEUES) 36 BIT WIDE CONFIGURATION 1,179,648 bits and 2,359,296 bits
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