Micron sdram memory, Figure 9 – Xilinx XAPP169 User Manual

Page 9

Advertising
background image

MP3 NG: A Next Generation Consumer Platform

XAPP169 (v1.0) November 24, 1999

www.xilinx.com

9

1-800-255-7778

R

Micron SDRAM
Memory

The SDRAM memory chosen for this design is the MT48LC1M16A1S - 512K x 16 x 2 bank
device from Micron Semiconductor. This device is available in speed grades from 125 to 166
MHz operating over an LVTTL synchronous interface.

Figure 10

shows the block diagram for

this device.

Figure 11

shows the MT48LC1M16A1 read timing of the device. The complete data

sheet for the MT48LC1M16 can be found at the following URL:

http://www.micron.com/mti/msp/pdf/datasheets/16MSDRAMx16.pdf

CE

CLE

R/ B

I/O

0

-

7

WE

ALE

RE

Busy

00h or 01h

A

0

~ A

7

A

9

~ A

16

A

17

~ A

22

Dout N

Dout N+1

Dout N+2

Dout N+3

Dout 527

Column
Address

Page(Row)
Address

t

WB

t

AR2

t

R

t

RC

t

RHZ

t

RR

t

CHZ

t

CEH

t

RB

t

CRY

t

WC

»

»

»

Figure 9: KM29U64000T Read Timing

(Courtesy Samsung Semiconductor)

Advertising