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IDT72T51556

IDT
Part Number IDT72T51556
Manufacturer IDT
Description (IDT72T51546 / IDT72T51556) 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES
Published Dec 16, 2006
Detailed Description www.DataSheet4U.com ADVANCE INFORMATION 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES (32 QUEUES) 36 BIT WIDE CONFIGURATION 1,1...
Datasheet PDF File IDT72T51556 PDF File

IDT72T51556
IDT72T51556

Overview
www.
DataSheet4U.
com ADVANCE INFORMATION 2.
5V MULTI-QUEUE FLOW-CONTROL DEVICES (32 QUEUES) 36 BIT WIDE CONFIGURATION 1,179,648 bits and 2,359,296 bits IDT72T51546 IDT72T51556 FEATURES: • • • • • • • • • • • • • • Choose from among the following memory density options: IDT72T51546  Total Available Memory = 1,179,648 bits IDT72T51556  Total Available Memory = 2,359,296 bits Configurable from 1 to 32 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 User selectable I/O: 2.
5V LVTTL, 1.
5V HSTL, 1.
8V eHSTL Default multi-queue device configurations – IDT72T51546 : 1,024 x 36 x 32Q – IDT72T51556 : 2,048 x 36 x 32Q 100% Bus Utilization, Read and Write on every clock cycle 200 MHz High speed operation (5ns cycle time) 3.
6ns access time Echo Read Enable & Echo Read Clock Outputs Individual, Active queue flags (OV, FF, PAE, PAF, PR) 8 bit parallel flag status on both read and write ports Shows PAE and PAF status of 8 Queues • • • • • • • • • • • • Direct or polled operation of flag status bus Global Bus Matching - (All Queues have same Input Bus Width and Output Bus Width) User Selectable Bus Matching Options: – x36in to x36out – x18in to x36out – x9in to x36out – x36in to x18out – x36in to x9out FWFT mode of operation on read port Packet mode operation Partial Reset, clears data in single Queue Expansion of up to 8 multi-queue devices in parallel is available Power Down Input provides additional power savings in HSTL and eHSTL modes.
JTAG Functionality (Boundary Scan) Available in a 256-pin PBGA, 1mm pitch, 17mm x 17mm HIGH Performance submicron CMOS technology Industrial temperature range (-40°C to +85°C) is available FUNCTIONAL BLOCK DIAGRAM MULTI-QUEUE FLOW-CONTROL DEVICE WADEN FSTR WRADD 8 READ CONTROL Q0 RADEN ESTR RDADD 8 WRITE CONTROL Q1 WEN WCLK REN RCLK EREN ERCLK OE Q2 Din Qout x36 DATA IN FF PAF x36 DATA OUT ...


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