WED9LAPC2B16P8BC datasheet(9/21 Pages) WEDC

Part #	WED9LAPC2B16P8BC

Description	4M x 32 SDRAM / 2M x 8 SDRAM

Download	21 Pages

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Manufacturer	WEDC [White Electronic Designs Corporation]

Direct Link	http://www.whiteedc.com

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White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com

White Electronic Designs

WED9LAPC2B16P8BC

November 2001

Rev. 1

White Electronic Designs Corp. reserves the right to change products or speciﬁcations without notice.

FIGURE 3 – SDRAM POWER UP SEQUENCE

GCK

VCRAS#

VCCAS#

VCADDR

VCBS

VCADDR9/AP

VCDATA

VCWE#

VCDQM#

0

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

tRP

tRFC

Key

RAa

HIGH-Z

High level is necessary

Precharge

(All Banks)

Auto Refresh

Mode Register Set

Row Active

(A-Bank)

DON’T CARE

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