M38258MCM Datasheet, PDF (9/70 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3825 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
GROUP EXPANSION
(EXTENDED OPERATING TEMPERATURE VERSION)
Mitsubishi plans to expand the 3825 group (extended operating
temperature version) as follows.
Memory Type
Support for mask ROM and One Time PROM versions.
Memory Size
ROM/PROM ........................................................ 16 K to 60 Kbytes
RAM size ............................................................ 640 to 2048 bytes
Packages
100P6S-A ................................ 0.65 mm-pitch plastic molded QFP
Memory Expansion Plan
ROM size (bytes)
Mass product
60K
M38259EFD
56K
52K
Mass product
48K
M38258MCD
44K
40K
36K
Mass product
32K
M38257M8D
28K
Mass product
24K
M38254M6D
20K
Mass product
16K
M38254M4D
12K
8K
4K
256
512 640 768
1,024
RAM size (bytes)
1,536
2,048
Fig. 6 Memory expansion plan for extended operating temperature version
Currently supported products are listed below.
Table 4. List of supported products for extended operating temperature version
Product
M38254M4DXXXFP
M38254M6DXXXFP
M38257M8DXXXFP
M38258MCDXXXFP
(P) ROM size (bytes)
ROM size for User in ( )
16384
(16254)
24576
(24446)
32768
(32638)
49152
(49022)
RAM size (bytes)
640
640
1024
1536
Package
Remarks
Mask ROM version
Mask ROM version
100P6S-A Mask ROM version
Mask ROM version
M38259EFDXXXFP
M38259EFDFP
61440
(61310)
2048
One Time PROM version
One Time PROM version (blank)
As of June 1999
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