IDT72T6360 Datasheet, PDF (1/51 Pages) Integrated Device Technology – 2.5V SEQUENTIAL FLOW-CONTROL DEVICE 36 BIT WIDE CONFIGURATION

2.5V SEQUENTIAL FLOW-CONTROL DEVICE
36 BIT WIDE CONFIGURATION
For use with 128Mb to 256Mb DDR SDRAM
IDT72T6360
FEATURES
• Product to be used with single or multiple external DDR SDRAM
to provide significant storage capability of up to 1Gb density
• 166MHz operation (6ns read/write cycle time)
• User selectable input and output port bus-sizing
- x36in to x36out
- x36in to x18out
- x36in to x9out
- x18in to x36out
- x18in to x18out
- x18in to x9out
- x9in to x36out
- x9in to x18out
- x9in to x9out
• For other bus configurations see IDT72T6480 (x12, x24, or x48)
• 2.5V-LVTTL or 3.3V-LVTTL configured ports
• Independent and simultaneous read and write access
• User selectable synchronous/asynchronous read and write
port timing
• IDT Standard mode or FWFT mode of operation
• Empty and full flags for monitoring memory status
• Programmable Almost-Empty and Almost-Full flags, each flag
can default to one of four preselected offsets or serially
programmed to a specific value
• Selectable synchronous/asynchronous timing modes for
Almost-Empty and Almost-Full flags
• Master Reset clears all data and settings
• Partial Reset clears data, but retains programmable settings
• Depth expandable with multiple devices for densities greater
than 1Gb
• Width expandable with multiple devices for bus widths greater
than 36 bits
• JTAG functionality (Boundary Scan)
• Available in a 324-pin PBGA, 1mm pitch, 19mm x 19mm
• HIGH performance 0.18µm CMOS technology
• Industrial temperature range (-40°C to +85°C) is available
• Supports industry standard DDR specifications, including
Samsung, Micron, and Infineon memories
FUNCTIONAL BLOCK DIAGRAM
FWFT
FSEL[1:0]
FF/IR
PAF
EF/OR
PAE
Flag
Logic
x36, x18, or x9
IDT72T6360
Sequential Flow Control Device
MRS
PRS
IOSEL
BM[3:0]
x36, x18, or x9
WEN
WCLK/WR
WCS
ASYW
DDR SDRAM
Control Logic
CK CK DQS WE CAS RAS Addr
JTAG
Control
(Boundary Scan)
MCLK
8
64
13
6357 drw01
REN
RCLK/RD
RCS
ASYR
High Density DDR SDRAM
x16, x32, x36, or x64
128Mb to 256Mb
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
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