SMJ44C256-12HJL
Fast Page DRAM, 256KX4, 120ns, CMOS, CDSO20Manufacturer: Texas Instruments
Categories: DRAMs
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The Texas Instruments SMJ44C256-12HJL is a 1048576-bit Fast Page DRAM, organized as 256K words by 4 bits. This CMOS component offers an asynchronous operating mode with a maximum access time of 120ns. It supports RAS ONLY, CAS BEFORE RAS, and HIDDEN REFRESH modes, with 512 refresh cycles. The device features 3-state outputs and operates from a 4.5V to 5.5V supply voltage. Packaged in a 20-terminal CDSO20 (SOJ) configuration with J BEND terminals on a 1.270mm pitch, it is suitable for surface mounting. This component finds application in industrial and consumer electronics requiring high-speed memory solutions.
Additional Information
Series: SMJ44C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Width | 8.3820 |
| Technology | CMOS |
| Length | 17.1450 |
| Access_Mode | FAST PAGE |
| Access_Time_Max | 120.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| JESD_30_Code | R-CDSO-J20 |
| 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 | SOJ |
| Package_Shape | Rectangular |
| Package_Style | SMALL OUTLINE |
| Refresh_Cycles | 512 |
| Seated_Height_Max | 3.4800 |
| 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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