SMJ44C251B-10HMMT
Video DRAM, 256KX4, 100ns, MOS, CDSO28Manufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments SMJ44C251B-10HMMT is a Video DRAM with a memory organization of 256K x 4. This component operates with a 100ns access time and utilizes MOS technology. Key features include CAS BEFORE RAS/HIDDEN REFRESH and a 512 x 4 SAM port, providing dual port access. The device is housed in a 28-terminal CDSO package, specifically a rectangular, small outline, ceramic, metal-sealed cofired package with a terminal pitch of 1.27mm. Operating within a temperature range of -55°C to 125°C, it supports a supply voltage from 4.5V to 5.5V. This device finds application in systems requiring high-speed display buffer memory, such as graphics controllers and video processing units.
Additional Information
Series: SMJ44C251RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 18.2850 |
| Width | 10.1600 |
| Technology | MOS |
| Access_Mode | FAST PAGE |
| Access_Time_Max | 100.0000000000000000 |
| Additional_Feature | CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT |
| JESD_30_Code | R-CDSO-N28 |
| 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 |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | SON |
| Package_Shape | Rectangular |
| Package_Style | SMALL OUTLINE |
| Seated_Height_Max | 2.5400 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | NO LEAD |
| Terminal_Pitch | 1.270 |
| Terminal_Position | Dual |
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