3850 datasheet(10/103 Pages) RENESAS

10 / 103 page

Rev.3.01

2003.06.20

page 8 of 98

3850 Group (Spec.H/A)

GROUP EXPANSION

Renesas Technology plans to expand the 3850 group (spec. H/A)

as follows.

Memory Type

Support for mask ROM, One Time PROM, and flash memory ver-

sions.

Memory Size

Flash memory size ......................................................... 32 K bytes

Mask ROM size ................................... 8 K to 32 K bytes (spec. H)

8 K to 16 K bytes (spec. A)

RAM size ............................................... 512 to 1 K bytes (spec. H)

512 bytes (spec. A)

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)

Fig. 6 Memory expansion plan

Memory Expansion Plan

32K

28K

24K

20K

16K

12K

384

512

640

768

896

1024

1152

1280

1408

1536

2048

ROM

exteranal

ROM size (bytes)

RAM size (bytes)

M38507M8/F8

M38504M6/E6

M38503M4H

Mass production

M38503M4A

Mass production

M38503M2H

M38503M2A

Mass production

3850 Datasheet(PDF) 10 Page - Renesas Technology Corp

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