27HC256-90B/UA
32KX8, 90ns, CMOS, CQCC32Manufacturer: Microchip Technology
Categories: EPROMs
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Microchip Technology 27HC256 CMOS EPROM, part number 27HC256-90B-UA, offers a 32K x 8 memory organization with a density of 262,144 bits. This asynchronous device features a maximum access time of 90ns and operates from a 5V supply. Designed for demanding applications, it supports a wide operating temperature range from -55°C to +125°C. The 32-terminal ceramic chip carrier (CQCC32) package with quad terminal positions is suitable for surface-mount designs. This component is commonly utilized in industrial control, telecommunications infrastructure, and legacy system upgrades requiring reliable, high-temperature memory solutions. The 27HC256 series is known for its robust performance and adherence to MIL-STD-883B screening standards.
Additional Information
Series: 27HC256RoHS Status: Manufacturer Lead Time: Product Status: Contact MfrPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | CMOS |
| Access_Time_Max | 90.0000000000000000 |
| I_O_Type | COMMON |
| JESD_30_Code | R-XQCC-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 | -55.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | Ceramic |
| Package_Code | QCCN |
| Package_Equivalence_Code | LCC32,.45X.55 |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Parallel_Serial | Parallel |
| Programming_Voltage | 13 |
| Screening_Level_Reference_Standard | 38535Q/M;38534H;883B |
| Standby_Current_Max | 0.000100000000000 |
| Supply_Current_Max | 75.000000000000000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | NO LEAD |
| Terminal_Pitch | 1.270 |
| Terminal_Position | QUAD |
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