SMJ4256-15JDS
Page Mode DRAM, 256KX1, 150ns, NMOS, CDIP16Manufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments SMJ4256-15JDS is a 256K x 1-bit NMOS Page Mode DRAM with a maximum access time of 150ns. This component features separate input/output and supports asynchronous operation with a nominal supply voltage of 5V. The SMJ4256 series offers various refresh modes including RAS ONLY, CAS BEFORE RAS, and HIDDEN REFRESH, with 256 refresh cycles. Designed for rigorous environments, it operates across a -55°C to 110°C temperature range and is packaged in a 16-pin Ceramic Dual In-line Package (CDIP) with through-hole termination. This device is suitable for applications in defense, aerospace, and industrial sectors requiring high reliability and extended temperature performance.
Additional Information
Series: SMJ4256RoHS Status: Manufacturer Lead Time: 0Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 7.6200 |
| Technology | NMOS |
| Access_Mode | PAGE |
| Access_Time_Max | 150.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| I_O_Type | SEPARATE |
| JESD_30_Code | R-CDIP-T16 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | PAGE MODE DRAM |
| Memory_Organization | 256KX1 |
| Memory_Width | 1 |
| Number_of_Functions | 1 |
| Number_of_Ports | 1 |
| Number_of_Terminals | 16 |
| Number_of_Words | 262144.0000000000000000 |
| Number_of_Words_Code | 256k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 110.0 |
| Operating_Temperature_Min | -55.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | DIP |
| Package_Equivalence_Code | DIP16,.3 |
| Package_Shape | Rectangular |
| Package_Style | IN-LINE |
| Refresh_Cycles | 256 |
| Screening_Level_Reference_Standard | 38535Q/M;38534H;883B |
| Seated_Height_Max | 5.0800 |
| Supply_Voltage_Max | 5.25000 |
| Supply_Voltage_Min | 4.75000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | No |
| Terminal_Form | THROUGH-HOLE |
| Terminal_Pitch | 2.540 |
| Terminal_Position | Dual |
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