# DIP package

A plastic dual-in-line package (PDIP) with 300 mil rows, 14 to 20 pins. Pin 1 is at the origin, pins 1 to n/2 run along +X, and the other row is at +Y by 7.62. The seating plane is the XY plane, with the body above it and the leads going down through the board.

## Source

TI Mechanical Data MPDI002A, *N (R-PDIP-T\*\*) plastic dual-in-line package*, January 1995, revised October 1995 (drawing 4040049/C 08/95). The drawing says the package falls within JEDEC MS-001, except that the 20-pin body is shorter. A copy is in a TI datasheet at <https://mantech.co.za/datasheets/products/sn74ls03n_t.pdf>, page 7.

| | 14 and 16 pins | 18 pins | 20 pins |
|---|---|---|---|
| Body length A | 18.92 to 19.69 | 21.59 to 23.37 | 23.88 to 24.77 |

For every pin count:

- pitch 2.54
- body width 6.10 to 6.60
- rows on 7.62 centres, 7.37 to 7.87 outside the leads
- seating plane to top 5.08 max, and to the body 0.51 min
- leads 3.18 min below the seating plane, 0.38 to 0.53 wide and 0.25 thick

The model uses the middle of each range. Height is the 5.08 max, so read it as an envelope.

**Proportions, for looks only:** the leads' wide shoulder, where they leave the body, and the pin-1 notch.

8-pin and 600 mil (24 to 40 pin) DIPs and the DIP sockets aren't here yet; see `COVERAGE.md`.