64K-bit OTP EPROM memory IC, organized as 8K x 8, features a 70ns maximum access time and parallel interface. This through-hole component is housed in a 24-pin PDIP package with a 2.79mm pin pitch. Operating from a 4.5V to 5.5V supply, it offers external in-system programmability and a maximum operating current of 90mA. Suitable for a wide temperature range of -40°C to 85°C.
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Microchip AT27HC641-70PI technical specifications.
| Basic Package Type | Through Hole |
| Package Family Name | DIP |
| Package/Case | PDIP |
| Package Description | Plastic Dual In Line Package |
| Lead Shape | Through Hole |
| Pin Count | 24 |
| PCB | 24 |
| Package Length (mm) | 32.3(Max) |
| Package Width (mm) | 14.4(Max) |
| Package Height (mm) | 3.94(Max) |
| Seated Plane Height (mm) | 5.59(Max) |
| Pin Pitch (mm) | 2.79 |
| Package Material | Plastic |
| Mounting | Through Hole |
| Density | 64Kbit |
| Maximum Access Time | 70ns |
| Interface Type | Parallel |
| Maximum Operating Current | 90mA |
| Organization | 8Kx8 |
| Reprogramming Technique | OTP |
| Typical Operating Supply Voltage | 5V |
| In-System Programmability | External |
| Density in Bits | 65536bit |
| Max Operating Supply Voltage | 5.5V |
| Min Operating Supply Voltage | 4.5V |
| Min Operating Temperature | -40°C |
| Max Operating Temperature | 85°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 |
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