SMJ64C256-45FGM
Standard SRAM, 64KX4, 45ns, CMOS, CQCC28Manufacturer: Texas Instruments
Categories: SRAMs
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The Texas Instruments SMJ64C256-45FGM is a 65,536-word by 4-bit synchronous CMOS SRAM, offering a total memory density of 262,144 bits. This component features an access time of 45ns, with a 3-state output characteristic and common I/O type. Designed for demanding applications, it operates across a wide temperature range from -55°C to +125°C. The SMJ64C256-45FGM incorporates an automatic power-down feature to conserve energy when not actively accessed. Its package is a 28-terminal ceramic CQCC (Ceramic Quad Flatpack), specifically coded as R-CQCC-N28, suitable for surface mounting. This SRAM is utilized in aerospace, defense, and high-reliability industrial systems requiring robust memory solutions. The device operates from a supply voltage of 4.5V to 5.5V.
Additional Information
Series: SMJ64C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | CMOS |
| Access_Time_Max | 45.0000000000000000 |
| Additional_Feature | AUTOMATIC POWER-DOWN |
| I_O_Type | COMMON |
| JESD_30_Code | R-CQCC-N28 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | STANDARD SRAM |
| Memory_Organization | 64KX4 |
| Memory_Width | 4 |
| Number_of_Functions | 1 |
| Number_of_Ports | 1 |
| Number_of_Terminals | 28 |
| Number_of_Words | 65536.0000000000000000 |
| Number_of_Words_Code | 64k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 125.0 |
| Operating_Temperature_Min | -55.0 |
| Output_Characteristics | 3-State |
| Output_Enable | No |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | QCCN |
| Package_Equivalence_Code | LCC28,.35X.55 |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Parallel_Serial | Parallel |
| Screening_Level_Reference_Standard | MIL-STD-883 Class B (Modified) |
| Supply_Current_Max | 120.000000000000000 |
| 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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