Mitsubishi RAM chip marking & reference


On chip top M5M5V2236BGP
922BEON -3H
300MHZ
  M5M4V17400CJ-6
 
  M5M4V64S30ATP
 
M2V64S20DTP

JAPAN 01112A1J-6

Mitsubishi RAM chip marking
MITSUBISHI www.mitsubishichips.com
M5M M5M - Mitsubishi
Semiconductor business sold in 2003 to Elpida
www.elpida.com
41 - memory density 41 - 16MBit
52 - ?
16 - 16MBit
64 - 64MBit
V - voltage V - 3.3V
[blank] - 5.0V
E - refresh 6 - 4096
7 - 2048
8 - 1024
S - RAM type 0 - FastPage
5 - EDO
S - SDRAM
40 - bit organization 10 - 16M x 1
40 - 4M x 4
80 - 8M x 2
16 - 1M x 16
16-10 - 4M x 4
16-20 - 2M x 8
16-30 - 1M x 16
64-10 - 16M x 4
64-20 - 8M x 8
64-30 - 4M x 16
5 - min cycle time 5 - 50ns
6 - 60ns
7 - 70ns
C - die revision A/B/C ...
J - package option J - SOJ
TP - TSOP
922 - date of manufacture 9 - year of manufacture
22 - week of manufacture
BEON - Serialization code ?