64K-bit UV EPROM, organized as 8K x 8, offers a 55ns maximum access time with a parallel interface. This windowed ceramic dual in-line package (CDIP) features 24 through-hole pins and supports in-system reprogramming. Operating from a 4.5V to 5.5V supply, it draws a maximum of 75mA and functions within a 0°C to 70°C temperature range.
Sign in to ask questions about the Microchip AT27HC641-55DC datasheet using AI. Get instant answers about specifications, features, and technical details, ideal for finding information in larger documents.
Sign In to ChatWidest selection of semiconductors and electronic components in stock and ready to ship ™
Microchip AT27HC641-55DC technical specifications.
| Basic Package Type | Through Hole |
| Package Family Name | DIP |
| Package/Case | Windowed CDIP |
| Package Description | Windowed Ceramic Dual In Line Package |
| Lead Shape | Through Hole |
| Pin Count | 24 |
| PCB | 24 |
| Package Length (mm) | 32.8(Max) |
| Package Width (mm) | 15.5(Max) |
| Package Height (mm) | 4.2(Max) |
| Seated Plane Height (mm) | 5.72(Max) |
| Pin Pitch (mm) | 2.79(Max) |
| Package Material | Ceramic |
| Mounting | Through Hole |
| Density | 64Kbit |
| Maximum Access Time | 55ns |
| Interface Type | Parallel |
| Maximum Operating Current | 75mA |
| Organization | 8Kx8 |
| Reprogramming Technique | UV |
| Typical Operating Supply Voltage | 5V |
| In-System Programmability | In System|External |
| Density in Bits | 65536bit |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Supply Voltage | 4.5V |
| Min Operating Temperature | 0°C |
| Max Operating Temperature | 70°C |
| Cage Code | 60991 |
| EU RoHS | No |
| HTS Code | 8542320061 |
| Schedule B | 8542320060 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2011/65/EU, 2015/863 |
Download the complete datasheet for Microchip AT27HC641-55DC to view detailed technical specifications.
The embedded preview will load automatically when this section scrolls into view.
