| 667201 | HEF40240BPB | Octal inverting buffers with 3-state outputs | Philips |
| 667202 | HEF40240BT | Octal inverting buffers with 3-state outputs | NXP Semiconductors |
| 667203 | HEF40240BT | Octal inverting buffers with 3-state outputs | Philips |
| 667204 | HEF40240BU | Octal inverting buffers with 3-state outputs | Philips |
| 667205 | HEF40244B | Octal buffers with 3-state outputs | Philips |
| 667206 | HEF40244BD | Octal buffers with 3-state outputs | Philips |
| 667207 | HEF40244BDB | Octal buffers with 3-state outputs | Philips |
| 667208 | HEF40244BF | Octal buffers with 3-state outputs | Philips |
| 667209 | HEF40244BN | Octal buffers with 3-state outputs | Philips |
| 667210 | HEF40244BP | Octal buffers with 3-state outputs | NXP Semiconductors |
| 667211 | HEF40244BP | Octal buffers with 3-state outputs | Philips |
| 667212 | HEF40244BPB | Octal buffers with 3-state outputs | Philips |
| 667213 | HEF40244BT | Octal buffers with 3-state outputs | Nexperia |
| 667214 | HEF40244BT | Octal buffers with 3-state outputs | NXP Semiconductors |
| 667215 | HEF40244BT | Octal buffers with 3-state outputs | Philips |
| 667216 | HEF40244BU | Octal buffers with 3-state outputs | Philips |
| 667217 | HEF40245 | Octal bus transceiver with 3-state outputs | Philips |
| 667218 | HEF40245B | Octal bus transceiver with 3-state outputs | Philips |
| 667219 | HEF40245BD | Octal bus transceiver with 3-state outputs | Philips |
|
| 667220 | HEF40245BF | Octal bus transceiver with 3-state outputs | Philips |
| 667221 | HEF40245BN | Octal bus transceiver with 3-state outputs | Philips |
| 667222 | HEF40245BP | Octal bus transceiver with 3-state outputs | Philips |
| 667223 | HEF40245BT | Octal bus transceiver with 3-state outputs | Philips |
| 667224 | HEF4024B | 7-stage binary counter | Philips |
| 667225 | HEF4024BD | 7-stage binary counter | Philips |
| 667226 | HEF4024BDB | 7-stage binary counter | Philips |
| 667227 | HEF4024BF | 7-stage binary counter | Philips |
| 667228 | HEF4024BN | 7-stage binary counter | Philips |
| 667229 | HEF4024BP | 7-stage binary counter | NXP Semiconductors |
| 667230 | HEF4024BP | 7-stage binary counter | Philips |
| 667231 | HEF4024BPB | 7-stage binary counter | Philips |
| 667232 | HEF4024BT | 7-stage binary counter | NXP Semiconductors |
| 667233 | HEF4024BT | 7-stage binary counter | Philips |
| 667234 | HEF4024BU | 7-stage binary counter | Philips |
| 667235 | HEF4025B | Triple 3-input NOR gate | Philips |
| 667236 | HEF4025BD | Triple 3-input NOR gate | Philips |
| 667237 | HEF4025BDB | Triple 3-input NOR gate | Philips |
| 667238 | HEF4025BF | Triple 3-input NOR gate | Philips |
| 667239 | HEF4025BN | Triple 3-input NOR gate | Philips |
| 667240 | HEF4025BP | Triple 3-input NOR gate | NXP Semiconductors |
