| Device Name | Status | 5K Pricing | Vcc Range | Write | Protect | Page Size | (Bytes) | Max/ Clock | Freq/ | Write | Cycle(ms) |
| 25AA640 | Not Recommended for new designs | $0.50 | 1.8 - 5.5 | Yes | 32 | 1 MHz | 5 | 1,000,000 | -40°C to +85°C | Yes | 8/PDIP |
| 25LC640A | In Production | $0.43 | 2.5 - 5.5 | Yes | 32 | 10 MHz | 5 | 1,000,000 | -40°C to +150°C | Yes | 8/DFN-S |
| 25C640 | Not Recommended for new designs | Call for pricing | 4.5 - 5.5 | Yes | 0 | 3 MHz | 5 | 1,000,000 | -40°C to +125°C | No | Please call for package information |
| 25AA640A | In Production | $0.43 | 1.8 - 5.5 | No | 32 | 10 MHz | 5 | 1,000,000 | -40°C to +125°C | 8/DFN-S | |
| 25LC640 | Not Recommended for new designs | $0.50 | 2.5 - 5.5 | Yes | 32 | 3 MHz | 5 | 1,000,000 | -40°C to +125°C | Yes | 8/PDIP |
