RAS#
WORD READ
LOWER BYTE READ
4 MEG x 16
FPM DRAM
CASL#
CASH#
WE#
LOWER BYTE
(DQ0-DQ7)
OF WORD
UPPER BYTE
(DQ8-DQ15)
OF WORD
STORED
DATA
1
1
0
1
1
1
1
1
OUTPUT
DATA
1
1
0
1
1
1
1
1
OUTPUT
DATA
1
1
0
1
1
1
1
1
STORED
DATA
1
1
0
1
1
1
1
1
STORED
DATA
1
1
0
1
1
1
1
1
0
Z
1
Z
0
Z
1
Z
0
Z
0
Z
0
Z
0
Z
0
0
0
1
1
1
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
OUTPUT
DATA
1
1
0
1
1
1
1
1
OUTPUT
DATA
1
1
0
1
1
1
1
1
STORED
DATA
1
1
0
1
1
1
1
1
Z
Z
0
Z
Z
1
Z
Z
0
Z
Z
1
Z
Z
0
Z
Z
0
Z
Z
0
Z
Z
0
Z = High-Z
ADDRESS 0
ADDRESS 1
Figure 2
WORD and BYTE READ Example
4 Meg x 16 FPM DRAM
D28_2.p65 – Rev. 5/00
4
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©2000, Micron Technology, Inc.