SMJ44C251B-10HJL
Video DRAM, 256KX4, 100ns, CMOS, CDSO28Manufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments SMJ44C251B-10HJL is a Video DRAM component from the SMJ44C251 series. This device offers a 256K x 4 memory organization, providing a total density of 1048576 bits. It operates with a maximum access time of 100ns and utilizes CMOS technology. The component supports Fast Page Mode with EDO access, along with RAS Only, CAS Before RAS, and Hidden refresh modes. It features a 512 x 4 SAM port and dual ports for enhanced functionality. The SMJ44C251B-10HJL is packaged in a 28-lead CDSOJ (Small Outline J-lead) package with a terminal pitch of 1.27mm. Designed for surface mounting, it operates within a temperature range of 0°C to 70°C and requires a supply voltage of 5V (±0.5V). This Video DRAM is suitable for applications in graphics controllers and display systems.
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 WITH EDO |
| Access_Time_Max | 100.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT |
| 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 | 70.0 |
| Operating_Temperature_Min | 0.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | SOJ |
| Package_Shape | Rectangular |
| Package_Style | SMALL OUTLINE |
| Refresh_Cycles | 512 |
| Seated_Height_Max | 4.5200 |
| 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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