# AT27C256R-45PU (Component) ## Description EPROM - OTP Memory IC 256Kbit Parallel 45 ns 28-PDIP #commonpartslibrary #integratedcircuit #memory ## Component Details - **Owner:** adrian95 - **Created:** 8/27/2024 - **Last Updated:** 8/27/2024 - **Visibility:** Public - **License:** https://creativecommons.org/licenses/by/4.0/ - **Datasheet URL:** https://ww1.microchip.com/downloads/en/DeviceDoc/doc0014.pdf - **Part Type:** Integrated Circuit - **Manufacturer Name:** Microchip Technology - **Manufacturer Part Number:** AT27C256R-45PU - **Used in:** 2 projects - **Stars:** 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 | |------------|--------------------|-------| | [Digi-Key](https://www.digikey.com/en/products/detail/microchip-technology/AT27C256R-45PU/1118860) | $2.85 | 6.8K | | [LCSC](https://www.lcsc.com/product-detail/C145402.html) | $4.3476 | 0 | | [Mouser](https://www.mouser.com/ProductDetail/Microchip-Technology/AT27C256R-45PU?qs=lURXKZrvvXffwVd4jEFg7Q%3D%3D) | $2.77 | 2.3K | | [TME](https://www.tme.com/us/en-us/katalog/?queryPhrase=AT27C256R-45PU) | $2.60 | 14 | | [Verical](https://www.verical.com/pd/microchip-technology-eprom-AT27C256R-45PU-2627476?utm_currency=USD) | N/A | N/A | - **Part Type:** Integrated Circuits - **Sub-Type:** Logic - **Manufacturer:** Microchip - **MPN:** AT27C256R-45PU - **Package / Case Code:** PDIP - **Pin Count:** 28 - **Logic Function:** AND ## Pins | Pin | Name | Type | |-----|------|------| | 1 | VPP | | | 2 | A12 | | | 3 | A7 | | | 4 | A6 | | | 5 | A5 | | | 6 | A4 | | | 7 | A3 | | | 8 | A2 | | | 9 | A1 | | | 10 | A0 | | | 11 | O0 | | | 12 | O1 | | | 13 | O2 | | | 14 | GND | | | 15 | O3 | | | 16 | O4 | | | 17 | O5 | | | 18 | O6 | | | 19 | O7 | | | 20 | *CE | | | 21 | A10 | | | 22 | *OE | | | 23 | A11 | | | 24 | A9 | | | 25 | A8 | | | 26 | A13 | | | 27 | A14 | | | 28 | VCC | | --- *Generated from [https://www.flux.ai/adrian95/at27c256r-45pu~gm8](https://www.flux.ai/adrian95/at27c256r-45pu~gm8)*