MT48LC64M4A2 View Datasheet(PDF) - Micron Technology

Part Name

Description

MFG CO.

MT48LC64M4A2

256Mb: x4, x8, x16 SDRAM

Micron Technology 

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256Mb: x4, x8, x16 SDRAM

Pin and Ball Assignments and Descriptions

Figure 6: 54-Ball VFBGA (Top View)

1

2

3

4

A

VSS

DQ15 VSSQ

B

DQ14 DQ13 VDDQ

C

DQ12 DQ11 VSSQ

D

DQ10 DQ9 VDDQ

E

DQ8 NC

VSS

F

UDQM CLK CKE

G

A12 A11

A9

H

A8

A7

A6

J

VSS

A5

A4

5

6

7

8

9

VDDQ DQ0

VDD

VSSQ DQ2 DQ1

VDDQ DQ4 DQ3

VSSQ DQ6 DQ5

VDD LDQM DQ7

CAS# RAS# WE#

BA0 BA1 CS#

A0

A1

A10

A3

A2

VDD

Depopulated Balls

Note: 1. The balls at A4, A5, and A6 are absent from the physical package. They are included to

illustrate that rows 4, 5, and 6 exist, but contain no solder balls.

PDF: 09005aef8091e6d1

256Mb_sdr.pdf - Rev. S 12/12 EN

13

Micron Technology, Inc. reserves the right to change products or specifications without notice.

© 1999 Micron Technology, Inc. All rights reserved.

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