27256-20I/KB
UVPROM, 32KX8, 200ns, NMOS, CQCC32Manufacturer: Microchip Technology
Categories: EPROMs
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Microchip Technology's 27256 series UVPROM, part number 27256-20I-KB, offers 262144 bits of non-volatile memory organized as 32K words by 8 bits. This NMOS-based device features an asynchronous parallel interface with a maximum access time of 200ns. Encased in a windowed ceramic chip carrier (CQCC32), it supports a wide operating temperature range of -40°C to +85°C and operates from a 4.5V to 5.5V supply. The 27256-20I-KB is suitable for applications requiring robust, reprogrammable storage, often found in industrial control, telecommunications, and legacy system designs. Its 32-terminal configuration and parallel interface facilitate straightforward integration into existing hardware architectures.
Additional Information
Series: 27256RoHS Status: Manufacturer Lead Time: Product Status: Active-UnconfirmedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | NMOS |
| Access_Time_Max | 200.0000000000000000 |
| JESD_30_Code | R-CQCC-N32 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | UVPROM |
| Memory_Organization | 32KX8 |
| Memory_Width | 8 |
| Number_of_Functions | 1 |
| Number_of_Terminals | 32 |
| Number_of_Words | 32768.0000000000000000 |
| Number_of_Words_Code | 32k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 85.0 |
| Operating_Temperature_Min | -40.0 |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | WQCCN |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER, WINDOW |
| Parallel_Serial | Parallel |
| Supply_Current_Max | 100.000000000000000 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | NO LEAD |
| Terminal_Position | QUAD |
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