SMJ44C256-80HJM
Fast Page DRAM, 256KX4, 80ns, CMOS, CDSO20Manufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments SMJ44C256 series Fast Page DRAM, part number SMJ44C256-80HJM, offers 1 Mbit of memory organized as 256K x 4. This CMOS memory component features an 80ns maximum access time and supports CAS-before-RAS refresh cycles. Operating within a temperature range of -55°C to +125°C, it is suitable for demanding applications in aerospace, defense, and industrial sectors. The device utilizes a 20-pin CDSOJ package with a 1.27mm terminal pitch, designed for surface mounting. Its common I/O, 3-state outputs, and a nominal supply voltage of 5V are consistent with established memory interface standards.
Additional Information
Series: SMJ44C256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 17.1450 |
| Width | 8.3820 |
| Technology | CMOS |
| Access_Mode | FAST PAGE |
| Access_Time_Max | 80.0000000000000000 |
| Additional_Feature | CAS BEFORE RAS REFRESH |
| I_O_Type | COMMON |
| 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 | Synchronous |
| Operating_Temperature_Max | 125.0 |
| Operating_Temperature_Min | -55.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | SOJ |
| Package_Equivalence_Code | SOJ20/26,.34 |
| Package_Shape | Rectangular |
| Package_Style | SMALL OUTLINE |
| Refresh_Cycles | 512 |
| Screening_Level_Reference_Standard | MIL-PRF-38535 |
| Seated_Height_Max | 3.4800 |
| Standby_Current_Max | 0.003000000000000 |
| Supply_Current_Max | 80.000000000000000 |
| 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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