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| PartNumber | AT93C56B-SSHM-T | AT93C56B-SSHM-B | AT93C56B-SSHM |
| Description | EEPROM 2K (256x8/128x16) 3-WIRE, NiPdAu, 1.7V | EEPROM 2K (256x8/128x16) 3-WIRE, NiPdAu, 1.7V | |
| Manufacturer | Microchip | Microchip | Atmel |
| Product Category | EEPROM | EEPROM | Memory |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SOIC-8 | SOIC-8 | - |
| Memory Size | 2 kbit | 2 kbit | 2K (256 x 8, 128 x 16) |
| Organization | 256 x 8, 128 x 16 | 256 x 8, 128 x 16 | - |
| Interface Type | Serial, 3-Wire, Microwire | Serial, 3-Wire, Microwire | - |
| Data Retention | 100 Year | 100 Year | - |
| Maximum Clock Frequency | 2 MHz | 2 MHz | - |
| Supply Current Max | 2 mA | 2 mA | - |
| Supply Voltage Min | 1.7 V | 1.7 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Series | AT93C56B | AT93C56B | - |
| Packaging | Reel | Tube | Tube Alternate Packaging |
| Brand | Microchip Technology / Atmel | Microchip Technology / Atmel | - |
| Operating Supply Current | 0.5 mA | - | - |
| Operating Supply Voltage | 1.7 V to 5.5 V | 1.7 V to 5.5 V | - |
| Product Type | EEPROM | EEPROM | - |
| Factory Pack Quantity | 4000 | 100 | - |
| Subcategory | Memory & Data Storage | Memory & Data Storage | - |
| Unit Weight | 0.019048 oz | 0.019048 oz | - |
| Package Case | - | - | 8-SOIC (0.154", 3.90mm Width) |
| Operating Temperature | - | - | -40°C ~ 85°C (TA) |
| Interface | - | - | Microwire, 3-Wire Serial |
| Voltage Supply | - | - | 1.7 V ~ 5.5 V |
| Supplier Device Package | - | - | 8-SOIC |
| Memory Type | - | - | EEPROM |
| Speed | - | - | 250kHz, 1MHz, 2MHz |
| Format Memory | - | - | EEPROMs - Serial |