| 1227241 | MX27C256QC-10 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227242 | MX27C256QC-12 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227243 | MX27C256QC-15 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227244 | MX27C256QC-45 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227245 | MX27C256QC-55 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227246 | MX27C256QC-70 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227247 | MX27C256QC-90 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227248 | MX27C256QI-10 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227249 | MX27C256QI-12 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227250 | MX27C256QI-120 | Access time: 120; 256K-bit (32K x 8) CMOS EPROM | Macronix International |
| 1227251 | MX27C256QI-15 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227252 | MX27C256QI-150 | Access time: 150; 256K-bit (32K x 8) CMOS EPROM | Macronix International |
| 1227253 | MX27C256QI-45 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227254 | MX27C256QI-55 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227255 | MX27C256QI-70 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227256 | MX27C256QI-90 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227257 | MX27C256TC-10 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227258 | MX27C256TC-12 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227259 | MX27C256TC-15 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
|
| 1227260 | MX27C256TC-45 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227261 | MX27C256TC-55 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227262 | MX27C256TC-70 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227263 | MX27C256TC-90 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227264 | MX27C256TI-10 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227265 | MX27C256TI-12 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227266 | MX27C256TI-15 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227267 | MX27C256TI-45 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227268 | MX27C256TI-55 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227269 | MX27C256TI-70 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227270 | MX27C256TI-90 | 256K-BIT [32K x 8] CMOS EPROM | Macronix International |
| 1227271 | MX27C4000 | 4M-BIT [512K x8] CMOS EPROM | Macronix International |
| 1227272 | MX27C4000A | 4M-BIT [512K x8] CMOS OTP ROM | Macronix International |
| 1227273 | MX27C4000AMC-10 | 4M-BIT [512K x8] CMOS OTP ROM | Macronix International |
| 1227274 | MX27C4000AMC-12 | 4M-BIT [512K x8] CMOS OTP ROM | Macronix International |
| 1227275 | MX27C4000AMC-15 | 4M-BIT [512K x8] CMOS OTP ROM | Macronix International |
| 1227276 | MX27C4000AMC-90 | 4M-BIT [512K x8] CMOS OTP ROM | Macronix International |
| 1227277 | MX27C4000AMI-10 | 4M-BIT [512K x8] CMOS OTP ROM | Macronix International |
| 1227278 | MX27C4000AMI-12 | 4M-BIT [512K x8] CMOS OTP ROM | Macronix International |
| 1227279 | MX27C4000AMI-15 | 4M-BIT [512K x8] CMOS OTP ROM | Macronix International |
| 1227280 | MX27C4000AMI-90 | 4M-BIT [512K x8] CMOS OTP ROM | Macronix International |
