SMJ44C251-15JDM
Video DRAM, 256KX4, 150ns, CMOS, CDIP28Manufacturer: Texas Instruments
Categories: DRAMs
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The Texas Instruments SMJ44C251-15JDM is a 1 Megabit Video DRAM featuring a 256K x 4 organization. This CMOS component offers an access time of 150ns and operates with a 5V supply. Key features include CAS BEFORE RAS and HIDDEN REFRESH capabilities, along with a 512 x 4 SAM port. The SMJ44C251 series utilizes FAST PAGE access mode. Designed for demanding applications, this through-hole device is housed in a 28-lead CDIP package (R-CDIP-T28) with a terminal pitch of 2.54mm. It operates over an industrial temperature range of -55°C to 125°C. This component is suitable for use in graphics and display systems.
Additional Information
Series: SMJ44C251RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 10.1600 |
| Technology | CMOS |
| Access_Mode | FAST PAGE |
| Access_Time_Max | 150.0000000000000000 |
| Additional_Feature | CAS BEFORE RAS/HIDDEN REFRESH; 512 X 4 SAM PORT |
| JESD_30_Code | R-CDIP-T28 |
| 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 | DIP |
| Package_Shape | Rectangular |
| Package_Style | IN-LINE |
| Refresh_Cycles | 512 |
| Seated_Height_Max | 3.5600 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | No |
| Terminal_Form | THROUGH-HOLE |
| Terminal_Pitch | 2.540 |
| Terminal_Position | Dual |
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