# Low-power dual CMOS timer (Component)
## Description
Low power CMOS 556 Type, Timer/Oscillator (Dual) IC 2.7MHz 14-SOIC
## Component Details
- **Owner:** corynrobinson
- **Created:** 10/19/2025
- **Last Updated:** 10/19/2025
- **Visibility:** Public
- **Manufacturer Name:** STMicroelectronics
- **Manufacturer Part Number:** TS556IDTTR
- **License:** https://creativecommons.org/licenses/by/4.0/
- **Part Type:** Integrated Circuit
- **Datasheet URL:** https://www.st.com/content/ccc/resource/technical/document/datasheet/a5/a8/1f/d9/4d/3b/4b/42/CD00000894.pdf/files/CD00000894.pdf/jcr:content/translations/en.CD00000894.pdf
- **Used in:** 4 projects
- **Forks:** 1
## Distributor Pricing (qty 1)
*Pricing shown for quantity 1. For price breaks and other quantities, open in Flux.*
| Distributor | Unit Price (qty 1) | Stock |
|------------|--------------------|-------|
| [Arrow](https://www.arrow.com/en/products/ts556idttr/stmicroelectronics.html?utm_currency=USD®ion=nac) | $0.785 | 25 |
| [LCSC](https://www.lcsc.com/product-detail/C7108.html) | $0.9932 | 58 |
| [Mouser](https://www.mouser.com/ProductDetail/STMicroelectronics/TS556IDTTR?qs=sICFeol8QWHrEslxrX3Tfg%3D%3D) | $1.34 | 57K |
| [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=TS556IDTTR) | $1.315 | 2.5K |
| [Verical](https://www.verical.com/pd/stmicroelectronics-timer-TS556IDTTR-1866453?utm_currency=USD) | N/A | N/A |
- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** STMicroelectronics
- **MPN:** TS556IDTTR
- **Package / Case Code:** 14-SOIC
- **Pin Count:** 14
- **Logic Function:** AND
## Pins
| Pin | Name | Type |
|-----|------|------|
| 1 | 1DISCH | |
| 2 | 1THRES | |
| 3 | 1CONT | |
| 4 | 1RESET | |
| 5 | 1OUT | |
| 6 | 1TRIG | |
| 7 | GND | |
| 8 | 2TRIG | |
| 9 | 2OUT | |
| 10 | 2RESET | |
| 11 | 2CONT | |
| 12 | 2THRES | |
| 13 | 2DISCH | |
| 14 | VCC | |
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*Generated from [https://www.flux.ai/corynrobinson/low-power-dual-cmos-timer~ja](https://www.flux.ai/corynrobinson/low-power-dual-cmos-timer~ja)*