M38503MXH Datasheet, PDF (5/86 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3850 Group (Spec. H)
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
GROUP EXPANSION
Mitsubishi plans to expand the 3850 group (spec. H) as follows.
Memory Type
Support for mask ROM, One Time PROM, and flash memory ver-
sions.
Memory Size
Flash memory size ......................................................... 32 K bytes
One Time PROM size ..................................................... 24 K bytes
Mask ROM size ................................................... 8 K to 32 K bytes
RAM size ............................................................... 512 to 1 K bytes
Packages
42P4B ......................................... 42-pin shrink plastic-molded DIP
42P2R-A/E ........................................... 42-pin plastic-molded SOP
42S1B-A .................. 42-pin shrink ceramic DIP (EPROM version)
Memory Expansion Plan
ROM size (bytes)
ROM
exteranal
32K
Under development
M38507M8/F8
28K
Mass production
24K
M38504M6/E6
20K
Mass production
16K
M38503M4H
12K
Mass production
8K
M38503M2H
As of Nov. 2000
384 512 640 768 896 1024 1152 1280 1408 1536 2048
RAM size (bytes)
Products under development or planning: the development schedule and specification may be revised without notice.
The development of planning products may be stopped.
Fig. 4 Memory expansion plan
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