TMS4256-10FME
Page Mode DRAM, 256KX1, 100ns, NMOS, PQCC18Manufacturer: Texas Instruments
Categories: DRAMs
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Texas Instruments TMS4256-10FME is a 256K x 1 bit NMOS page mode dynamic random-access memory (DRAM). This component offers an asynchronous operating mode with a maximum access time of 100ns. The memory organization is 256K words by 1 bit, providing a total density of 262,144 bits. It supports RAS-only, CAS-before-RAS, and hidden refresh cycles, with 256 refresh cycles required. The TMS4256-10FME is housed in an 18-lead plastic quad flat chip carrier (PQCC) package (JESD30 code R-PQCC-J18) with a terminal pitch of 1.270mm. Operating voltage ranges from 4.5V to 5.5V with a nominal supply of 5V. This device is suitable for applications in industrial control, telecommunications, and consumer electronics requiring high-speed memory solutions. The output characteristics are 3-state.
Additional Information
Series: TMS4256RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 12.4460 |
| Width | 7.3660 |
| Technology | NMOS |
| Access_Mode | PAGE |
| Access_Time_Max | 100.0000000000000000 |
| Additional_Feature | RAS ONLY/CAS BEFORE RAS/HIDDEN REFRESH |
| JESD_30_Code | R-PQCC-J18 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | PAGE MODE DRAM |
| Memory_Organization | 256KX1 |
| Memory_Width | 1 |
| Number_of_Functions | 1 |
| Number_of_Ports | 1 |
| Number_of_Terminals | 18 |
| Number_of_Words | 262144.0000000000000000 |
| Number_of_Words_Code | 256k |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 85.0 |
| Operating_Temperature_Min | -40.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | QCCJ |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Refresh_Cycles | 256 |
| Seated_Height_Max | 3.5300 |
| 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 | QUAD |
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