IDT72V51233 Datasheet, PDF (1/50 Pages) Integrated Device Technology – 3.3V MULTI-QUEUE FLOW-CONTROL DEVICES (4 QUEUES) 18 BIT WIDE CONFIGURATION

3.3V MULTI-QUEUE FLOW-CONTROL DEVICES
(4 QUEUES) 18 BIT WIDE CONFIGURATION
589,824 bits
1,179,648 bits
2,359,296 bits
IDT72V51233
IDT72V51243
IDT72V51253
FEATURES:
• Choose from among the following memory density options:
IDT72V51233 ⎯ Total Available Memory = 589,824 bits
IDT72V51243 ⎯ Total Available Memory = 1,179,648 bits
IDT72V51253 ⎯ Total Available Memory = 2,359,296 bits
• Configurable from 1 to 4 Queues
• Queues may be configured at master reset from the pool of
Total Available Memory in blocks of 512 x 18 or 1,024 x 9
• Independent Read and Write access per queue
• User programmable via serial port
• Default multi-queue device configurations
-IDT72V51233: 8,192 x 18 x 4Q or 16,384 x 9 x 4Q
-IDT72V51243: 16,384 x 18 x 4Q or 32,768 x 9 x 4Q
-IDT72V51253: 32,768 x 18 x 4Q or 65,536 x 9 x 4Q
• 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)
• 4 bit parallel flag status on both read and write ports
• Provides continuous PAE and PAF status of up to 4 Queues
• Global Bus Matching - (All Queues have same Input Bus Width
and Output Bus Width)
• User Selectable Bus Matching Options:
- x18in to x18out
- x9in to x18out
- x18in to x9out
- x9in to x9out
• FWFT mode of operation on read port
• Partial Reset, clears data in single Queue
• Expansion of up to 8 multi-queue devices in parallel is available
• 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
5
Q0
WEN
WCLK
Din
x9, x18
DATA IN
FF
Q3
PAF
PAFn
4
RADEN
ESTR
6
RDADD
REN
RCLK
OE
Qout
x9, x18
DATA OUT
4
5941 drw01
OV
PAE
PAEn
IDT and the IDT logo are registered trademarks of Integrated Device Technology, Inc.
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
1
©2009 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice.
FEBRUARY 2009
DSC-5941/10