| Reference
| DENSITY |
AMD
AM |
FUJITSU
MBM |
HITACHI
HN |
INTEL
D |
MITSUBISHI
M5M |
| 32K |
2732 |
2732 |
2732 |
2732 |
27C32 |
| 64K |
27C64 |
27C64 |
27C64 |
27C64 |
27C64 |
| 128K |
27C128 |
27C128 |
27C128 |
27C128 |
27C128 |
| 256K |
27C256 |
27C256 |
27C256 |
27C256 |
27C256 |
| 512K |
27C512 |
27C512 |
27C512 |
27C512 |
27C512 |
| 1MEG |
27C010 |
27C1001 |
27C010 |
27C010 |
27C101 |
| 2MEG |
27C020 |
27C2001 |
27C020 |
27C020 |
27C201 |
| 4MEG |
27C040 |
27C4001 |
27C040 |
27C040 |
27C401 |
| DENSITY |
NEC
UPD |
NSC
NM |
SGS
M |
TI
TMS |
TOSHIBA
TC |
| 32K |
D2732 |
27C32Q |
2732 |
2732 |
N/A |
| 64K |
27C64 |
27C64Q |
27C64 |
27C64 |
N/A |
| 128K |
27C128 |
27C128Q |
27C128 |
27C128 |
N/A |
| 256K |
27C256 |
27C256Q |
27C256 |
27C256 |
57256 |
| 512K |
27C512 |
27C512Q |
27C512 |
27C512 |
57512 |
| 1MEG |
27C1001 |
27C010Q |
27C1001 |
27C010 |
571000 |
| 2MEG |
27C2001 |
27C020Q |
27C2001 |
27C020 |
N/A |
| 4MEG |
27C4001 |
27C040Q |
27C4001 |
27C040 |
574000 |
|
Source: HobbyRoms – Eprom Programming Services for the hobbyist