SMJ44C251B-10HJM
Video DRAM, 256KX4, 100ns, CMOS, CDSO28Manufacturer: Texas Instruments
Categories: DRAMs
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The Texas Instruments SMJ44C251B-10HJM is a 1Mbit CMOS Video DRAM organized as 256K words by 4 bits. This component offers a maximum access time of 100ns and operates with a nominal supply voltage of 5V. It supports Fast Page Mode access and features CAS-before-RAS refresh and hidden refresh capabilities. The device is packaged in a 28-lead ceramic SOJ (Small Outline J-Lead) package, designed for surface mounting with a terminal pitch of 1.27mm. Operating across a temperature range of -55°C to 125°C, this Video DRAM is suitable for applications requiring high-speed data buffering and display control, often found in industrial and military systems. The SMJ44C251 series Video DRAM is manufactured by Texas Instruments.
Additional Information
Series: SMJ44C251RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 18.5420 |
| Width | 10.5410 |
| Technology | CMOS |
| Access_Mode | FAST PAGE |
| Access_Time_Max | 100.0000000000000000 |
| Additional_Feature | CAS BEFORE RAS/HIDDEN REFRESH |
| JESD_30_Code | R-CDSO-J28 |
| Memory_Density | 1048576.0000000000000000 |
| Memory_IC_Type | VIDEO DRAM |
| Memory_Organization | 256KX4 |
| Memory_Width | 4 |
| Number_of_Functions | 1 |
| Number_of_Ports | 2 |
| Number_of_Terminals | 28 |
| Number_of_Words | 262144.0000000000000000 |
| Number_of_Words_Code | 256k |
| 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 | SOJ |
| Package_Equivalence_Code | SOJ28,.4 |
| Package_Shape | Rectangular |
| Package_Style | SMALL OUTLINE |
| Refresh_Cycles | 512 |
| Screening_Level_Reference_Standard | 38535Q/M;38534H;883B |
| Seated_Height_Max | 4.5200 |
| Standby_Current_Max | 0.015000000000000 |
| Supply_Current_Max | 110.000000000000000 |
| 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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