Silicon Magic RAM chip marking & reference


On chip top MAGIC
Silicon 66MHz
A708 SM81C256K16A1-35
  Silicon Magic
SM81LC256K16A1-30

Silicon Magic RAM chip marking
Silicon Magic www.simagic.com
SM SM - Silicon Magic Corp
81 - RAM type 81 - ?
L - voltage [none] - 5.0V
L - 3.3V low voltage
C - RAM type C -CMOS
256K - memory density 256K - 256KBit
1M - 1MBit
4M - 4MBit
16 - bit organization 4 - x4
8 - x8
16 - x16
C - die revision A/B/C ...
35 - min cycle time 30 - 30ns
35 - 35ns (66MHz)
50 - 50ns
60 - 60ns
A708 - Serialization code ?