| Clock Frequency | 20 MHz | |
| Operating Temperature | -40°C ~ 85°C (TA) | |
| Memory Interface | SPI | |
| ECCN | EAR99 | |
| Memory Organization | 8K x 8 | |
| Mounting Type | Surface Mount | |
| Memory Type | Volatile | |
| Product Status | Active | |
| Supplier Device Package | 8-SOIC | |
| Series | - | |
| Write Cycle Time - Word, Page | - | |
| Memory Size | 64Kbit | |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | |
| Technology | SRAM | |
| Voltage - Supply | 2.7V ~ 3.6V | |
| REACH Status | REACH Unaffected | |
| Mfr | Microchip Technology | |
| HTSUS | 8542.32.0041 | |
| Package | Tube | |
| Memory Format | SRAM | |
| RoHS Status | ROHS3 Compliant | |
| Base Product Number | 23K640 | |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
