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IDT - (IDT72T51546 / IDT72T51556) 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES

Numéro de référence IDT72T51546
Description (IDT72T51546 / IDT72T51556) 2.5V MULTI-QUEUE FLOW-CONTROL DEVICES
Fabricant IDT 
Logo IDT 





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IDT72T51546 fiche technique
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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
FUNCTIONAL BLOCK DIAGRAM
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
MULTI-QUEUE FLOW-CONTROL DEVICE
WADEN
FSTR
WRADD
8
WEN
WCLK
Din
x36
DATA IN
FF
PAF
PAFn
8
Q0
Q1
Q2
Q31
RADEN
ESTR
RDADD
8 REN
RCLK
EREN
ERCLK
OE
Qout
x36
DATA OUT
OV
PR
PAE
PAEn
8 PRn
5998 drw01
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
1
2003 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
NOVEMBER 2003
DSC-5998/3

PagesPages 30
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