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165-XXI

  

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Etron
Etron Technology
EM636165-XXI 1Mega x 16 Synchronous DRAM (SDRAM)

Overview
The EM636165 SDRAM is a high-speed CMOS synchronous DRAM containing 16 Mbits. It is internally configured as a dual 512K word x 16 DRAM with a synchronous interface (all signals are registered on the positive edge of the clock signal, CLK). Each of the 512K x 16 bit banks is organized as 2048 rows by 256 columns by 16 bits. Read and write accesses to the SDRAM are burst oriented; accesses start at a selected location and continue for a programmed number of locations in a programmed sequence. Accesses begin with the registration of a BankActivate command which is then followed by a Read or Write command.
The EM636165 provides for programmable Read or Write burst lengths of 1, 2, 4, 8, or full page, with a burst termination option. An auto precharge function may be enabled to provide a self-timed row precharge that is initiated at the end of the burst sequence. The refresh functions, either Auto or Self Refresh are easy to use. By having a programmable mode register, the system can choose the most suitable modes to maximize its performance. These devices are well suited for applications requiring high memory bandwidth and particularly well suited to high performance PC applications

Features
· Fast access time: 5/5.5/6.5/7.5 ns
· Fast clock rate: 166/143/125/100 MHz
· Self refresh mode: standard and low power
· Internal pipelined architecture
· 512K word x 16-bit x 2-bank
· Programmable Mode registers
   - CAS# Latency: 1, 2, or 3
   - Burst Length: 1, 2, 4, 8, or full page
   - Burst Type: interleaved or linear burst
   - Burst stop function
· Individual byte controlled by LDQM and UDQM
· Auto Refresh and Self Refresh
· 4096 refresh cycles/64ms
· CKE power down mode
· Single +3.3V±0.3V power supply
· Interface: LVTTL
· 50-pin 400 mil plastic TSOP II package
· Lead Free Package available

 


other parts : EM636165TS-10I  EM636165TS-10IG  EM636165TS-6I  EM636165TS-6IG  EM636165TS-7I  EM636165TS-7IG  EM636165TS-8I  EM636165TS-8IG  
EM636165-XXI PDF

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