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| PartNumber | 93C66-E/SN | 93C66-E/P | 93C66A-E/MS |
| Description | EEPROM 512x8 Or 256x16 | EEPROM 512x8 Or 256x16 | EEPROM 512x8 |
| Manufacturer | Microchip | Microchip | Microchip |
| Product Category | EEPROM | EEPROM | EEPROM |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | Through Hole | SMD/SMT |
| Package / Case | SOIC-8 | PDIP-8 | MSOP-8 |
| Memory Size | 4 kbit | 4 kbit | 4 kbit |
| Organization | 512 x 8, 256 x 16 | 512 x 8, 256 x 16 | 512 x 8 |
| Interface Type | Serial, 3-Wire, Microwire | Serial, 3-Wire, Microwire | Serial, 3-Wire, Microwire |
| Access Time | 6 ms | 6 ms | 250 ns |
| Data Retention | 40 Year | 40 Year | 200 Year |
| Maximum Clock Frequency | 2 MHz | 2 MHz | 2 MHz |
| Supply Current Max | 4 mA | 4 mA | 2 mA |
| Supply Voltage Min | 4.5 V | 4.5 V | 4.5 V |
| Supply Voltage Max | 5.5 V | 5.5 V | 5.5 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 125 C | + 125 C | + 125 C |
| Packaging | Tube | Tube | Tube |
| Height | 1.25 mm (Min) | 3.3 mm | 0.85 mm |
| Length | 4.9 mm | 9.27 mm | 3 mm |
| Width | 3.9 mm | 6.35 mm | 3 mm |
| Brand | Microchip Technology | Microchip Technology | Microchip Technology |
| Moisture Sensitive | Yes | - | - |
| Operating Supply Current | 4 mA | 4 mA | 500 uA, 100 uA |
| Operating Supply Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | 4.5 V to 5.5 V |
| Product Type | EEPROM | EEPROM | EEPROM |
| Programming Voltage | 4.5 V to 5.5 V | 4.5 V to 5.5 V | - |
| Factory Pack Quantity | 100 | 60 | 100 |
| Subcategory | Memory & Data Storage | Memory & Data Storage | Memory & Data Storage |
| Unit Weight | 0.019048 oz | 0.032805 oz | 0.004938 oz |
| Manufacturer | Part # | Description | RFQ |
|---|---|---|---|
Microchip Technology |
93C66A-I/ST | EEPROM 512x8 | |
| 93C66A-E/ST | EEPROM 512x8 | ||
| 93C66-E/SN | EEPROM 512x8 Or 256x16 | ||
| 93C66-E/P | EEPROM 512x8 Or 256x16 | ||
| 93C66A-I/P | EEPROM 512x8 | ||
| 93C66A-I/SN | EEPROM 512x8 | ||
| 93C66A-E/SN | EEPROM 512x8 | ||
| 93C66A-I/MS | EEPROM 512x8 | ||
| 93C66A-E/MS | EEPROM 512x8 | ||
| 93C66A-E/P | EEPROM 512x8 | ||
| 93C66 | Memory, EEPROM, Microwire, 512x8/256x16bit, 4.5÷5.5V, 3MHz, MSOP8 | ||
| 93C66 6 | New and Original | ||
| 93C66 AT | New and Original | ||
| 93C66 C3 | New and Original | ||
| 93C66 P | New and Original | ||
| 93C66-10PI-2.7 | New and Original | ||
| 93C66-10SI | New and Original | ||
| 93C66-3 | New and Original | ||
| 93C66-3G | New and Original | ||
| 93C66-3GR | New and Original | ||
| 93C66-3P | New and Original | ||
| 93C66-5 | New and Original | ||
| 93C66-GR | New and Original | ||
| 93C66-M8 | New and Original | ||
| 93C66-PC | New and Original | ||
| 93C66-PU2.7 | New and Original | ||
| 93C66-PU27 | New and Original | ||
| 93C66-SC27 | New and Original | ||
| 93C66/PCAA | New and Original | ||
| 93C66/SN | New and Original | ||
| 93C66/VI | New and Original | ||
| 93C66A | New and Original | ||
| 93C66A-10PU-2.7 | New and Original | ||
| 93C66A-PU-2.7 | New and Original | ||
| 93C66A-SU27 | New and Original | ||
| 93C66A2.7-5.5 | New and Original | ||
| 93C66ADFJ-TB | New and Original | ||
| 93C66AEP | EEPROM, 512X8, Serial, CMOS, PDIP8 | ||
| 93C66A-I/ST | EEPROM 512x8 | ||
| 93C66A-E/SN | EEPROM 512x8 | ||
| 93C66A-E/ST | EEPROM 512x8 | ||
| 93C66A-E/MS | IC EEPROM 4K SPI 2MHZ 8MSOP | ||
| 93C66A-I/SN | IC EEPROM 4K SPI 2MHZ 8SOIC | ||
| 93C66-E/P | EEPROM 512x8 Or 256x16 | ||
| 93C66-E/SN | EEPROM 512x8 Or 256x16 | ||
| 93C66A-E/P | IC EEPROM 4K SPI 2MHZ 8DIP | ||
| 93C66A-I/P | IC EEPROM 4K SPI 2MHZ 8DIP | ||
| 93C66A-I/MS | EEPROM 512x8 | ||
| 93C66A-IP | New and Original | ||
| 93C66A-ESN | New and Original |