# Chips

## TTL

### 74HC74 - Dual D Flip−Flop with Set  
and Reset

- [74HC74.pdf](https://wiki.hexadust.net/attachments/6)

[![2023-12-30-133001.png](https://wiki.hexadust.net/uploads/images/gallery/2023-12/scaled-1680-/ZIGUSKa1NY70JdVJ-2023-12-30-133001.png)](https://wiki.hexadust.net/uploads/images/gallery/2023-12/ZIGUSKa1NY70JdVJ-2023-12-30-133001.png)

### SN54LS393 - Dual 4-Stage  
Binary Counter  


- [SN54LS390.PDF](https://wiki.hexadust.net/attachments/7)

[![2023-12-30-133754.png](https://wiki.hexadust.net/uploads/images/gallery/2023-12/scaled-1680-/IrPQw2RtbB88FbXu-2023-12-30-133754.png)](https://wiki.hexadust.net/uploads/images/gallery/2023-12/IrPQw2RtbB88FbXu-2023-12-30-133754.png)

[![2023-12-30-133808.png](https://wiki.hexadust.net/uploads/images/gallery/2023-12/scaled-1680-/beEmR9aKLYlZF6Qf-2023-12-30-133808.png)](https://wiki.hexadust.net/uploads/images/gallery/2023-12/beEmR9aKLYlZF6Qf-2023-12-30-133808.png)

[![2023-12-30-133839.png](https://wiki.hexadust.net/uploads/images/gallery/2023-12/scaled-1680-/EC9aONUKOSgXnimb-2023-12-30-133839.png)](https://wiki.hexadust.net/uploads/images/gallery/2023-12/EC9aONUKOSgXnimb-2023-12-30-133839.png)

### SNx4HCT138 - 3-Line to 8-Line Decoders/Demultiplexers

- [sn74hct138.pdf](https://wiki.hexadust.net/attachments/8)

[![2023-12-30-134515.png](https://wiki.hexadust.net/uploads/images/gallery/2023-12/scaled-1680-/XZXHvtTWD2DNGdbl-2023-12-30-134515.png)](https://wiki.hexadust.net/uploads/images/gallery/2023-12/XZXHvtTWD2DNGdbl-2023-12-30-134515.png)

[![2023-12-30-134548.png](https://wiki.hexadust.net/uploads/images/gallery/2023-12/scaled-1680-/GywFSag8tdQ8lpHL-2023-12-30-134548.png)](https://wiki.hexadust.net/uploads/images/gallery/2023-12/GywFSag8tdQ8lpHL-2023-12-30-134548.png)

### SN74HCT02

Contain four independent 2-input NOR gates.

- [sn74hct02.pdf](https://wiki.hexadust.net/attachments/41)

[![2024-11-17-211519.png](https://wiki.hexadust.net/uploads/images/gallery/2024-11/scaled-1680-/qqT7KBdtEVM4aDvS-2024-11-17-211519.png)](https://wiki.hexadust.net/uploads/images/gallery/2024-11/qqT7KBdtEVM4aDvS-2024-11-17-211519.png)

[![2024-11-17-211557.png](https://wiki.hexadust.net/uploads/images/gallery/2024-11/scaled-1680-/oW12l6zKbM9dJ3Wo-2024-11-17-211557.png)](https://wiki.hexadust.net/uploads/images/gallery/2024-11/oW12l6zKbM9dJ3Wo-2024-11-17-211557.png)

### CD74HCT688

8-Bit Magnitude Comparator.

[![2024-11-17-212119.png](https://wiki.hexadust.net/uploads/images/gallery/2024-11/scaled-1680-/h2xqLnadxVZ2Qx0M-2024-11-17-212119.png)](https://wiki.hexadust.net/uploads/images/gallery/2024-11/h2xqLnadxVZ2Qx0M-2024-11-17-212119.png)

[![2024-11-17-212132.png](https://wiki.hexadust.net/uploads/images/gallery/2024-11/scaled-1680-/ZI95uCdMj1DNOlGS-2024-11-17-212132.png)](https://wiki.hexadust.net/uploads/images/gallery/2024-11/ZI95uCdMj1DNOlGS-2024-11-17-212132.png)

[![2024-11-17-212226.png](https://wiki.hexadust.net/uploads/images/gallery/2024-11/scaled-1680-/z3ecre4FDwkMpEm2-2024-11-17-212226.png)](https://wiki.hexadust.net/uploads/images/gallery/2024-11/z3ecre4FDwkMpEm2-2024-11-17-212226.png)

### SNx4HCT573

Octal Transparent D-Type Latches With 3-State Outputs.

- [sn74hct573.pdf](https://wiki.hexadust.net/attachments/42)

[![2024-11-17-212716.png](https://wiki.hexadust.net/uploads/images/gallery/2024-11/scaled-1680-/DhX3OpJ4SPyDS1ZS-2024-11-17-212716.png)](https://wiki.hexadust.net/uploads/images/gallery/2024-11/DhX3OpJ4SPyDS1ZS-2024-11-17-212716.png)

[![2024-11-17-212730.png](https://wiki.hexadust.net/uploads/images/gallery/2024-11/scaled-1680-/0pGmXt51T0vDNh5m-2024-11-17-212730.png)](https://wiki.hexadust.net/uploads/images/gallery/2024-11/0pGmXt51T0vDNh5m-2024-11-17-212730.png)

[![2024-11-17-212753.png](https://wiki.hexadust.net/uploads/images/gallery/2024-11/scaled-1680-/jTwXrIrHECgxkIw3-2024-11-17-212753.png)](https://wiki.hexadust.net/uploads/images/gallery/2024-11/jTwXrIrHECgxkIw3-2024-11-17-212753.png)

## DS1233

Keeps CPU in reset until VCC stabilizes, also debounces a reset button.

- [5V EconoReset](https://wiki.hexadust.net/attachments/89)

## PIC MCU

### PIC16F84

- Intro: [The PIC 16x8x Family](https://pictutorials.com/PIC_16x8x_family.htm#Special_Features_of_the_PIC_16f84), [PIC16F84: Everything You Should Know](https://electronicshacks.com/pic16f84-guide/)
- Datasheet: [PIC16x84.pdf](https://wiki.hexadust.net/attachments/35)
- Programming: [PIC16F8X\_prog.pdf](https://wiki.hexadust.net/attachments/36)
- Asm: `xq gputils` [https://gputils.sourceforge.io/](https://gputils.sourceforge.io/)
- Simulator: `xq gpsim` [https://gpsim.sourceforge.net/](https://gpsim.sourceforge.net/)