AM90C257-08JCB
Static Column DRAM, 256KX1, 80ns, CMOS, PQCC18Manufacturer: Advanced Micro Devices
Categories: DRAMs
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Advanced Micro Devices AM90C257 series Static Column DRAM, part number AM90C257-08JCB, offers a 256K x 1 memory organization with an 80ns maximum access time. This CMOS component utilizes a Static Column access mode, providing efficient data retrieval. It features RAS-only refresh and separate I/O. The device is housed in an 18-pin PQCC (Plastic Leaded Chip Carrier) package, suitable for surface mounting. Operating within a temperature range of 0°C to 70°C and a supply voltage of 4.5V to 5.5V, this DRAM is designed for applications requiring high-speed memory access, commonly found in telecommunications and industrial control systems.
Additional Information
Series: AM90C257RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | CMOS |
| Access_Mode | STATIC COLUMN |
| Access_Time_Max | 80.0000000000000000 |
| Additional_Feature | RAS ONLY REFRESH |
| I_O_Type | SEPARATE |
| JESD_30_Code | R-PQCC-J18 |
| Memory_Density | 262144.0000000000000000 |
| Memory_IC_Type | STATIC COLUMN 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 | 70.0 |
| Operating_Temperature_Min | 0.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | PLASTIC/EPOXY |
| Package_Code | QCCJ |
| Package_Equivalence_Code | LDCC18,.33X.53 |
| Package_Shape | Rectangular |
| Package_Style | CHIP CARRIER |
| Refresh_Cycles | 256 |
| Standby_Current_Max | 0.004000000000000 |
| Supply_Current_Max | 85.000000000000000 |
| 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 | QUAD |
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