# PCF2131TFY (Component)

## Description

Real Time Clock \(RTC\) IC Clock/Calendar I2C, SPI 16\-LFDFN Exposed Pad
Low\-power, highly accurate real\-time clock/calendar with integrated crystal, battery backup, timestamping, alarms, watchdog timer, and selectable I²C or SPI interface\.

## Component Details

- **Owner:** silicon\-yard
- **Created:** 7/14/2026
- **Last Updated:** 9/10/2026
- **Visibility:** Public
- **Datasheet URL:** https://storage\.googleapis\.com/graviton\-electric\-symbols/document\_assets/user\-uploaded/60de5afcd4bdc686b4e55466c5726248417ba7ce9aded051344d70d6ddd944e3\.pdf
- **Manufacturer Part Number:** PCF2131TFY
- **Symbol Style:** parametric\-v1
- **Manufacturer Name:** NXP Semiconductors
- **Part Type:** Integrated Circuit
- **Used in:** 2 projects

## 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/pcf2131tfy/nxp-semiconductors.html?utm_currency=USD&region=nac) | N/A | N/A |
| [Digi\-Key](https://www.digikey.com/en/products/detail/nxp-usa-inc/PCF2131TFY/15216475) | N/A | N/A |
| [LCSC](https://www.lcsc.com/product-detail/C3303772.html) | $4\.1748 | 34 |
| [Mouser](https://www.mouser.com/en/ProductDetail/NXP-Semiconductors/PCF2131TFY?qs=QNEnbhJQKvbnVL67jlWDOg%253D%253D) | $3\.66 | 21K |

- **Part Type:** Integrated Circuits
- **Sub-Type:** Logic
- **Manufacturer:** NXP
- **MPN:** PCF2131TFY
- **Pin Count:** 17
- **Logic Function:** AND
## Pins

| Pin | Name | Type |
|-----|------|------|
| 1 | IFS |  |
| 2 | SCL |  |
| 3 | SDI |  |
| 4 | SDO |  |
| 5 | SDA/CE |  |
| 6 | CLKOUT |  |
| 7 | VSS |  |
| 8 | TS1 |  |
| 9 | TS2 |  |
| 10 | TS3 |  |
| 11 | TS4 |  |
| 12 | INTB |  |
| 13 | INTA |  |
| 14 | BBS |  |
| 15 | VDD |  |
| 16 | VBAT |  |
| 17 | EP |  |

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*Generated from [https://flux\.ai/silicon\-yard/pcf2131tfy](https://flux.ai/silicon-yard/pcf2131tfy)*