SMJ44C256-15HJM
Fast Page DRAM, 256KX4, 150ns, CMOS, CDSO20Manufacturer: Texas Instruments
Categories: DRAMs
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The Texas Instruments SMJ44C256-15HJM is a Fast Page Mode DRAM with a memory organization of 256K x 4 bits, providing a total density of 1048576 bits. This CMOS component features a maximum access time of 150ns and operates with a 5V nominal supply voltage, ranging from 4.5V to 5.5V. It supports the FAST PAGE access mode and incorporates CAS BEFORE RAS REFRESH functionality for efficient memory management. Designed for demanding applications, it operates across an extended temperature range of -55°C to +125°C, meeting MIL-PRF-38535 standards with its ceramic, metal-sealed cofired SOJ20 package. This component is suitable for use in aerospace, defense, and industrial systems requiring high reliability and performance.
Additional Information
Series: SMJ44C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 17.1450 |
| Width | 8.3820 |
| Technology | CMOS |
| Access_Mode | FAST PAGE |
| Access_Time_Max | 150.0000000000000000 |
| Additional_Feature | CAS BEFORE RAS REFRESH |
| I_O_Type | COMMON |
| JESD_30_Code | R-CDSO-J20 |
| Memory_Density | 1048576.0000000000000000 |
| Memory_IC_Type | FAST PAGE DRAM |
| Memory_Organization | 256KX4 |
| Memory_Width | 4 |
| Number_of_Functions | 1 |
| Number_of_Ports | 1 |
| Number_of_Terminals | 20 |
| Number_of_Words | 262144.0000000000000000 |
| Number_of_Words_Code | 256k |
| Operating_Mode | Synchronous |
| Operating_Temperature_Max | 125.0 |
| Operating_Temperature_Min | -55.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | SOJ |
| Package_Equivalence_Code | SOJ20/26,.34 |
| Package_Shape | Rectangular |
| Package_Style | SMALL OUTLINE |
| Refresh_Cycles | 512 |
| Screening_Level_Reference_Standard | MIL-PRF-38535 |
| Seated_Height_Max | 3.4800 |
| Standby_Current_Max | 0.003000000000000 |
| Supply_Current_Max | 55.000000000000000 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | J BEND |
| Terminal_Pitch | 1.270 |
| Terminal_Position | Dual |
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