Description

The EDS2516APTA is a 256M bits SDRAM organized as 4194304 words × 16 bits × 4 banks. All inputs and outputs are referred to the rising edge of the clock input. It is packaged in 54-pin plastic TSOP (II).

Features

• 3.3V power supply

• Clock frequency: 133MHz (max.)

• LVTTL interface

• Single pulsed /RAS

• ×16 organization

• 4 banks can operate simultaneously and independently

• Burst read/write operation and burst read/single write operation capability

• Programmable burst length (BL): 1, 2, 4, 8, full page

• 2 variations of burst sequence

 - Sequential (BL = 1, 2, 4, 8)

 - Interleave (BL = 1, 2, 4, 8)

• Programmable /CAS latency (CL): 2, 3

• Byte control by UDQM and LDQM

• Refresh cycles: 8192 refresh cycles/64ms

• 2 variations of refresh

 - Auto refresh

 - Self refresh

• TSOP (II) package with lead free solder (Sn-Bi)

• Wide temperature range

 - Ambient temperature range: –40 to +85°C