AT28C040-20LM
EEPROM, 512KX8, 200ns, Parallel, CMOS, CQCC44Manufacturer: Microchip Technology
Categories: EEPROMs
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Microchip Technology AT28C040-20LM is a 4-Mbit, high-performance, parallel CMOS Electrically Erasable Programmable Read-Only Memory (EEPROM). This device offers a memory organization of 512K words by 8 bits, with an access time of 200 nanoseconds. Designed for robust operation, it features automatic write and data polling capabilities, simplifying firmware updates and system monitoring. The AT28C040 series supports asynchronous operation and includes a toggle bit for efficient write completion detection. Operating across a wide temperature range of -55°C to +125°C, it is suitable for demanding industrial and automotive applications. The component is housed in a 44-lead Ceramic Chip Carrier (CQCC) package. Its 5V supply voltage range (4.5V to 5.5V) and low standby current make it an efficient choice for power-sensitive designs. This device is commonly integrated into systems requiring non-volatile data storage, such as control systems, data logging, and embedded firmware.
Additional Information
Series: AT28C040RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 16.5500 |
| Width | 16.5500 |
| Technology | CMOS |
| Access_Time_Max | 200.0000000000000000 |
| Additional_Feature | AUTOMATIC WRITE |
| Command_User_Interface | No |
| Data_Polling | Yes |
| JESD_30_Code | S-CQCC-N44 |
| Memory_Density | 4194304.0000000000000000 |
| Memory_IC_Type | EEPROM |
| Memory_Organization | 512KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 44 |
| Number_of_Words | 524288.0000000000000000 |
| Number_of_Words_Code | 512k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 125.0 |
| Operating_Temperature_Min | -55.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | QCCN |
| Package_Equivalence_Code | LCC44,.65SQ |
| Package_Shape | Square |
| Package_Style | CHIP CARRIER |
| Page_Size | 256 |
| Parallel_Serial | Parallel |
| Programming_Voltage | 5 |
| Seated_Height_Max | 2.7400 |
| Standby_Current_Max | 0.000300000000000 |
| Supply_Current_Max | 80.000000000000000 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | NO LEAD |
| Terminal_Pitch | 1.270 |
| Terminal_Position | QUAD |
| Toggle_Bit | Yes |
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