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| PartNumber | 24LC21A-I/SN | 24LC21A/P | 24LC21A-I/P |
| Description | EEPROM 2.5V Dual Mode | EEPROM 2.5V Dual Mode | EEPROM 2.5V Dual Mode |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | Through Hole | Through Hole |
| Package / Case | SOIC-8 | PDIP-8 | PDIP-8 |
| Memory Size | 1 kbit | 1 kbit | 1 kbit |
| Organization | 128 x 8 | 128 x 8 | 128 x 8 |
| Interface Type | Serial, 2-Wire, I2C | Serial, 2-Wire, I2C | Serial, 2-Wire, I2C |
| Access Time | 10 ms | 10 ms | 10 ms |
| Data Retention | 200 Year | 200 Year | 200 Year |
| Maximum Clock Frequency | 400 kHz | 400 kHz | 400 kHz |
| Supply Current Max | 3 mA | 3 mA | 3 mA |
| Supply Voltage Min | 2.5 V | 2.5 V | 2.5 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | - 40 C | 0 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 70 C | + 85 C |
| Series | 24LC21 | 24LC21 | 24LC21 |
| Packaging | Tube | Tube | Tube |
| Height | 1.25 mm (Min) | 3.3 mm | 3.3 mm |
| Length | 4.9 mm | 9.27 mm | 9.27 mm |
| Width | 3.9 mm | 6.35 mm | 6.35 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Current | 3 mA | 1 mA | 3 mA |
| Operating Supply Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Product Type | EEPROM | EEPROM | EEPROM |
| Programming Voltage | 2.5 V to 5.5 V | 2.5 V to 5.5 V | 2.5 V to 5.5 V |
| Factory Pack Quantity | 100 | 60 | 60 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.019048 oz | 0.032805 oz | 0.032805 oz |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology |
24LC21AT/SN | EEPROM 2.5V Dual Mode | |
| 24LC21A-I/SN | EEPROM 2.5V Dual Mode | ||
| 24LC21A/SN | EEPROM 2.5V Dual Mode | ||
| 24LC21AT-I/SN | EEPROM 2.5V Dual Mode | ||
| 24LC21A/P | EEPROM 2.5V Dual Mode | ||
| 24LC21A-I/P | EEPROM 2.5V Dual Mode | ||
| 24LC21A/P | EEPROM 2.5V Dual Mode | ||
| 24LC21A-I/P | EEPROM 2.5V Dual Mode | ||
| 24LC21A/SN | EEPROM 2.5V Dual Mode | ||
| 24LC21AT/SN | IC EEPROM 1K I2C 400KHZ 8SOIC | ||
| 24LC21A-I/SN | EEPROM 2.5V Dual Mode | ||
| 24LC21AT-I/SN | EEPROM 2.5V Dual Mode | ||
| 24LC21AT/SN-CUT TAPE | New and Original | ||
| 24LC21A | New and Original | ||
| 24LC21A-I/PG | New and Original | ||
| 24LC21A/P CBN | New and Original | ||
| 24LC21A/P87Q | New and Original | ||
| 24LC21A/PPVB | New and Original | ||
| 24LC21A1-I/SN | New and Original | ||
| 24LC21AI | New and Original | ||
| 24LC21AI/SN | New and Original | ||
| 24LC21AN | New and Original | ||
| 24LC21AP | New and Original | ||
| 24LC21AT | New and Original | ||
| 24LC21AT-E/SN | New and Original | ||
| 24LC21AT-I/SNG | New and Original | ||
| 24LC21ATSN | New and Original | ||
| 24LC21A-I/SN SOP8 | New and Original | ||
| 24LC21AT-I/SN SOP8 | New and Original | ||
| 24LC21AT-ISN | New and Original | ||
| 24LC21A-ISN | New and Original | ||
| 24LC21ASN | New and Original | ||
| 24LC21A/PSBN | INSTOCK | ||
| 24LC21A/PSBW | INSTOCK | ||
| 24LC21A-I/SNG | EEPROM 2.5V Dual Mode Lead Free Package | ||
| 24LC21AISN | New and Original | ||
| 24LC21ATI/SN | INSTOCK | ||
| 24LC21ATISNG | INSTOCK |