| S.No | IC Number | Description | Pinout Details |
| 16 | 7415 | Triple 3-input AND gate with open collector output |  |
| 17 | 7416 | Hex invertor/buffer 15 V o/p |  |
| 18 | 7420 | Dual 4-input positive NAND gate |  |
| 19 | 7421 | Dual 4-input AND gate |  |
| 20 | 7422 | Dual 4-input NAND Gate (With open collector) | |
| 21 | 7425 | Dual 4-input NOR gate with strobe |  |
| 22 | 7426 | Quad 2-input High voltage interface NAND Gate |  |
| 23 | 7427 | Triple 3-input NOR Gate |  |
| 24 | 7428 | Quad 2-input NOR Buffer (Fan Out 30) |  |
| 25 | 7430 | 8-input Positive AND Gate |  |
| 26 | 7432 | Quad 2-input OR gate |  |
| 27 | 7433A | Quad 2-input NOR Buffer 15V |  |
| 28 | 7437 | Quad 2-input NAND Buffer | |
| 29 | 7438A | Quad 2-input NAND Buffer 15V | |
| 30 | 7440 | Dual 4-input Buffer NAND gate | |