AM27256-45/BUA
OTP ROM, 32KX8, 450ns, NMOS, CQCC32Manufacturer: Advanced Micro Devices
Categories: OTP ROMs
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The Advanced Micro Devices AM27256-45-BUA is a 32K x 8 bit, 256 kilobit One-Time Programmable (OTP) ROM. This NMOS technology device features an asynchronous operating mode with a maximum access time of 450ns. The memory organization is 32,768 words by 8 bits, providing a total memory density of 262,144 bits. Designed for robust performance, it operates across a wide temperature range from -55°C to +125°C. The component is housed in a 32-terminal Ceramic Quad Flat Pack (CQFP) package with a 1.27mm terminal pitch, suitable for surface mounting. Key electrical specifications include a nominal supply voltage of 5V, with a range of 4.5V to 5.5V, and a maximum supply current of 100mA. This component is manufactured to military screening levels, including 883B, making it suitable for applications in aerospace, defense, and industrial control systems requiring high reliability.
Additional Information
Series: AM27256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 13.9700 |
| Width | 11.4300 |
| Technology | NMOS |
| Access_Time_Max | 450.0000000000000000 |
| I_O_Type | COMMON |
| JESD_30_Code | R-CQCC-N32 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | OTP ROM |
| 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, METAL-SEALED COFIRED |
| Package_Code | QCCN |
| Package_Equivalence_Code | LCC32,.45X.55 |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Parallel_Serial | Parallel |
| Programming_Voltage | 12.5 |
| Screening_Level_Reference_Standard | 38535Q/M;38534H;883B |
| Seated_Height_Max | 3.5560 |
| 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_Pitch | 1.270 |
| Terminal_Position | QUAD |
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