| Manufacturer | Part Number | Description |
|---|---|---|
Intersil (now Renesas)
| 81C55 | Radiation Hardened 256 x 8 CMOS RAM |
|
Intersil (now Renesas)
| HS-81C55RH | Radiation Hardened 256 x 8 CMOS RAM |
OKI Electric
| M81C55 | MSM81C55 |
OKI Electric
| 81C55 | 2048-Bit CMOS STATIC RAM |
|
Intersil (now Renesas)
| HS1-81C55RH | Radiation Hardened 256 x 8 CMOS RAM |
|
Intersil (now Renesas)
| HS9-81C55RH | Radiation Hardened 256 x 8 CMOS RAM |
|
OKI Electric
| MSM81C55 | 2048-Bit CMOS STATIC RAM |
