SMJ4256-12FVS
Page Mode DRAM, 256KX1, 120ns, NMOS, CQCC18Manufacturer: Texas Instruments
Categories: DRAMs
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The Texas Instruments SMJ4256-12FVS is a 256K x 1 page mode DRAM with a maximum access time of 120ns. Utilizing NMOS technology, this component features separate I/O and 3-state output characteristics. It supports various refresh modes, including RAS-only, CAS-before-RAS, and hidden refresh cycles. The SMJ4256-12FVS is housed in an 18-terminal ceramic chip carrier (CQCC18) package, designed for surface mounting. Its operating temperature range is -55°C to 110°C, with a nominal supply voltage of 5V. This component is suitable for applications in industrial and defense sectors requiring high reliability and performance. The SMJ4256 series offers robust memory solutions for demanding environments.
Additional Information
Series: SMJ4256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 12.3200 |
| Width | 7.2400 |
| Technology | NMOS |
| Access_Mode | PAGE |
| Access_Time_Max | 120.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| I_O_Type | SEPARATE |
| JESD_30_Code | R-CQCC-N18 |
| 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 | 18 |
| 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 | QCCN |
| Package_Equivalence_Code | LCC18,.3X.5 |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Refresh_Cycles | 256 |
| Screening_Level_Reference_Standard | 38535Q/M;38534H;883B |
| Seated_Height_Max | 2.1800 |
| Supply_Voltage_Max | 5.25000 |
| Supply_Voltage_Min | 4.75000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | NO LEAD |
| Terminal_Pitch | 1.270 |
| Terminal_Position | QUAD |
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