M38258MCM Datasheet, PDF (7/70 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3825 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
GROUP EXPANSION
Mitsubishi plans to expand the 3825 group as follows.
Memory Type
Support for mask ROM, One Time PROM, and EPROM versions.
Memory Size
ROM/PROM size ................................................ 16 K to 60 Kbytes
RAM size ............................................................ 640 to 2048 bytes
Packages
100PFB-A ................................ 0.4 mm-pitch plastic molded TQFP
100P6Q-A ................................ 0.5 mm-pitch plastic molded LQFP
100P6S-A ................................ 0.65 mm-pitch plastic molded QFP
100D0 .......................................... Ceramic QFN (EPROM version)
Memory Expansion Plan
ROM size (bytes)
60K
56K
52K
48K
44K
40K
36K
Mass product
32K
M38257M8/E8
28K
Mass product
24K
M38254M6
20K
Mass product
16K
M38254M4
12K
8K
4K
256
512 640 768
1,024
RAM size (bytes)
Mass product
M38259EF
1,536
2,048
Fig. 5 Memory expansion plan
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