SMJ44C256-12JDL
Fast Page DRAM, 256KX4, 120ns, CMOS, CDIP20Manufacturer: Texas Instruments
Categories: DRAMs
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The Texas Instruments SMJ44C256-12JDL is a 256K x 4 Fast Page Mode DRAM with a maximum access time of 120ns. This CMOS component utilizes a 20-pin Ceramic DIP package, featuring through-hole mounting. The memory organization supports 256K words with a 4-bit width, enabling efficient data handling. Operational modes include RAS-only, CAS-before-RAS, and hidden refresh cycles, alongside asynchronous operation. Designed for reliable performance, it operates within a temperature range of 0°C to 70°C and requires a supply voltage between 4.5V and 5.5V. This component finds application in various industrial and commercial systems requiring high-speed memory solutions.
Additional Information
Series: SMJ44C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 7.6200 |
| Technology | CMOS |
| Access_Mode | FAST PAGE |
| Access_Time_Max | 120.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| JESD_30_Code | R-CDIP-T20 |
| Memory_Density | 1048576.0000000000000000 |
| Memory_IC_Type | FAST PAGE DRAM |
| Memory_Organization | 256KX4 |
| Memory_Width | 4 |
| Number_of_Functions | 1 |
| Number_of_Ports | 1 |
| Number_of_Terminals | 20 |
| 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 | DIP |
| Package_Shape | Rectangular |
| Package_Style | IN-LINE |
| Refresh_Cycles | 512 |
| Seated_Height_Max | 5.0800 |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | No |
| Terminal_Form | THROUGH-HOLE |
| Terminal_Pitch | 2.540 |
| Terminal_Position | Dual |
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