27HC256-90E/K
32KX8, 90ns, CMOS, CQCC32Manufacturer: Microchip Technology
Categories: EPROMs
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Microchip Technology's 27HC256 series EPROM, part number 27HC256-90E-K, offers a 32K x 8 memory organization with a maximum access time of 90ns. This CMOS device operates asynchronously and features a 32-terminal ceramic chip carrier (CQCC32) package, specifically a R-CQCC-N32 JEDEC code. The component boasts a memory density of 262144 bits and requires a supply voltage ranging from 4.5V to 5.5V, with a nominal 5V. Operating across a temperature range of -40°C to +125°C, it finds application in industrial control systems, telecommunications infrastructure, and legacy computing platforms where robust and reliable non-volatile memory is critical. The 27HC256-90E-K is a parallel memory interface component.
Additional Information
Series: 27HC256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | CMOS |
| Access_Time_Max | 90.0000000000000000 |
| JESD_30_Code | R-CQCC-N32 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | EPROM |
| 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 | 125.0 |
| Operating_Temperature_Min | -40.0 |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | QCCN |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Parallel_Serial | Parallel |
| Supply_Current_Max | 55.000000000000000 |
| 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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