< Practical Electronics < IC
| 4007 | |
|---|---|
| Logic Type | Transistor-level |
| Function Family | Transistor |
| Description | Dual complementary pair and inverter |
| Pins | 14 |
| Pinout | |
 | |
| Functional Diagram | |
 | |
The 4007 integrated circuit contains three complementary enhancement-mode MOSFET pairs. One pair has connections to the drain terminals, one to the source terminals and the commonned drains (i.e. it is wired as an inverter) and one allows access to all source and drain connections. All pairs have the gate terminals commonned and available. The bulk connections are to the power rails (VDD for the p-channel devices and VSS for the n-channel devices).
The meanings of the abbreviations on the diagrams to the right are:
| Pins | Functions |
|---|---|
| SP2, SP3 | Source terminals of 2nd and 3rd p-channel MOSFETs |
| DP1, DP2 | Drain terminals of 1st and 2nd p-channel MOSFETs |
| DN1, DN2 | Drain terminals of 1st and 2nd n-channel MOSFETs |
| SN2, SN3 | Source terminals of 2nd and 3rd n-channel MOSFETs |
| D3 | Drain terminals (common) of 3rd p-channel and n-channel MOSFETs |
| G1, G2, G3 | Gate terminals of each MOSFET pair. |
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