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EtronTech
EM638165TS
Etron Confidential
4M x 16 bit Synchronous DRAM (SDRAM)
Advanced (Rev 3.2, Mar. /2012)
Features
• Fast access time from clock: 4.5/5.4/5.4 ns • Fast clock rate: 200/166/143 MHz • Fully synchronous operation • Internal pipelined architecture • 1M word x 16-bit x 4-bank • Programmable Mode registers
- CAS Latency: 2, or 3 - Burst Length: 1, 2, 4, 8, or full page - Burst Type: interleaved or linear burst - Burst stop function • Auto Refresh and Self Refresh • 4096 refresh cycles/64ms • CKE power down mode • Single +3.3V ± 0.3V power supply • Interface: LVTTL • 54-pin 400 mil plastic TSOP II package - Pb and Halogen Free
Overview
Table1. Key Specifications
EM638165 tCK3 Clock Cycle time(min.) tAC3 Access time from CLK(max.) tRAS Row Active time(min.