| 263 | HT648L | 318 Series of Decoders |
| 264 | HT651 | 318 Series of Decoders |
| 265 | HT6513 | Mouse Controller |
| 266 | HT6513B | Mouse controller |
| 267 | HT6523 | PS/2 Mouse Controller |
| 268 | HT654 | 318 Series of Decoders |
| 269 | HT6542B | Keyboard Controller with PS/2 |
| 270 | HT6550 | Super I/O Controller |
| 271 | HT656 | 318 Series of Decoders |
| 272 | HT6560A | VL-Bus IDE Controler |
| 273 | HT6560B | VL-Bus IDE Controler |
| 274 | HT6570 | I/O TTL Integration |
| 275 | HT6571 | Multiple RS-232 Drivers and Receivers |
| 276 | HT6576 | Advanced SCSI CHIP |
| 277 | HT6576A | Advanced SCSI CHIP |
| 278 | HT658 | 318 Series of Decoders |
| 279 | HT6720 | 13.56MHz RFID Transponder |
| 280 | HT672A | 13.56MHz RFID Transponder |
| 281 | HT672B | 13.56MHz RFID Transponder |
| 282 | HT6740 | 13.56MHz RFID Transponder |
| 283 | HT6750A | Date Printer |
| 284 | HT6751A | Camera Motor Driver (1.5 Channel) |
| 285 | HT6751B | Camera Motor Driver (1.5 Channel) |
| 286 | HT680 | 318 Series of Encoders |
| 287 | HT682L | 318 Series of Decoders |
| 288 | HT683L | 318 Series of Decoders |
| 289 | HT684L | 318 Series of Decoders |
| 290 | HT691 | 318 Series of Decoders |
| 291 | HT692 | 318 Series of Decoders |
| 292 | HT693 | 318 Series of Decoders |
| 293 | HT694 | 318 Series of Decoders |
| 294 | HT6P20 | 224 OTP Encoder |
| 295 | HT6P20A | 224 OTP Encoder |
| 296 | HT6P20B | 224 OTP Encoder |
| 297 | HT6P20D | 224 OTP Encoder |
| 298 | HT6P20X | OTP Encoder |
| 299 | HT7022A | 2.2V Voltage Detector |
| 300 | HT7024A | Voltage Detector |
| | |
