| 668081 | HEF4737VD | Quadruple static decade counters | Philips |
| 668082 | HEF4737VF | Quadruple static decade counters | Philips |
| 668083 | HEF4737VN | Quadruple static decade counters | Philips |
| 668084 | HEF4737VP | Quadruple static decade counters | Philips |
| 668085 | HEF4737VT | 4.5-12.5 V, Quadruple static decade counter | Philips |
| 668086 | HEF4738 | IEC/IEEE bus interface | Philips |
| 668087 | HEF4738V | IEC/IEEE bus interface | Philips |
| 668088 | HEF4738VN | IEC/IEEE bus interface | Philips |
| 668089 | HEF4738VP | IEC/IEEE bus interface | Philips |
| 668090 | HEF4750V | Frequency synthesizer | Philips |
| 668091 | HEF4750VD | Frequency synthesizer | Philips |
| 668092 | HEF4750VDB | Frequency synthesizer | Philips |
| 668093 | HEF4750VF | Frequency synthesizer | Philips |
| 668094 | HEF4750VLSI | Frequency synthesizer | Philips |
| 668095 | HEF4750VU | Frequency synthesizer | Philips |
| 668096 | HEF4751V | Universal divider | Philips |
| 668097 | HEF4751VD | Universal divider | Philips |
| 668098 | HEF4751VDB | Universal divider | Philips |
| 668099 | HEF4751VF | Universal divider | Philips |
|
| 668100 | HEF4751VN | Universal divider | Philips |
| 668101 | HEF4751VP | Universal divider | Philips |
| 668102 | HEF4751VT | Universal divider | Philips |
| 668103 | HEF4751VU | Universal divider | Philips |
| 668104 | HEF4752V | A.C. motor control circuit | Philips |
| 668105 | HEF4752VD | A.C. motor control circuit | Philips |
| 668106 | HEF4752VF | A.C. motor control circuit | Philips |
| 668107 | HEF4752VN | A.C. motor control circuit | Philips |
| 668108 | HEF4752VP | A.C. motor control circuit | Philips |
| 668109 | HEF4753 | Universal timer module | Philips |
| 668110 | HEF4753B | Universal timer module | Philips |
| 668111 | HEF4753BD | Universal timer module | Philips |
| 668112 | HEF4753BN | Universal timer module | Philips |
| 668113 | HEF4753BP | Universal timer module | Philips |
| 668114 | HEF4753BT | Universal timer module | Philips |
| 668115 | HEF4754 | 18-element bar graph LCD driver | Philips |
| 668116 | HEF4754V | 18-element bar graph LCD driver | Philips |
| 668117 | HEF4754VD | 18-element bar graph LCD driver | Philips |
| 668118 | HEF4754VF | 18-element bar graph LCD driver | Philips |
| 668119 | HEF4754VN | 18-element bar graph LCD driver | Philips |
| 668120 | HEF4754VP | 18-element bar graph LCD driver | Philips |
