Document
Austin Semiconductor, Inc.
SDRAM
AS4SD2M32
512K x 32 x 4 Banks (64-Mb)
Synchronous SDRAM
FEATURES
• Full Military temp (-55°C to 125°C) processing available • Configuration: 512K x 32 x 4 banks • Fully synchronous; all signals registered on positive
edge of system clock • Internal pipelined operation; column address can be
changed every clock cycle • Internal banks for hiding row access/precharge • Programmable burst lengths: 1, 2, 4, 8 or full page • Auto Precharge, includes CONCURRENT AUTO
PRECHARGE and Auto Refresh Modes • Self Refresh Mode (IT & ET) • 64ms, 4,096 cycle refresh (IT & ET) • <16ms 4,096 cycle refresh (XT) • WRITE Recovery (tWR= “2 CLK”) • LVTTL-compatible inputs and outputs • Single +3.3V ±0.3V power supply
OPTIONS
• Plastic TSOPII-EX
MARKING
DGX
• Timing (Cycle Time) 6.0ns CL=3 7.0ns CL=3 7.5ns CL=3
-6 -7 -7.5
• Operating Temperature Ranges -Industrial Temp (-40°C to 85° C) -Enhanced Temp (-45°C to +105°C) -Extended T.