SN54LS189W
Standard SRAM, 16X4, 90ns, TTL, CDFP16Manufacturer: Texas Instruments
Categories: SRAMs
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Texas Instruments SN54LS189W is a 16x4 standard asynchronous SRAM with a maximum access time of 90ns. This TTL-compatible device operates from a 4.5V to 5.5V supply and features 3-state outputs. The SN54LS189 series memory IC offers a total density of 64 bits. Packaged in a 16-terminal ceramic flatpack (CDFP16), it is designed for dual-inline surface mounting. This component is suitable for military and aerospace applications, conforming to MIL-STD-883 Class B (Modified) screening levels and operating across a wide temperature range from -55°C to +125°C.
Additional Information
Series: SN54LS189RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Technology | TTL |
| Access_Time_Max | 90.0000000000000000 |
| JESD_30_Code | R-XDFP-F16 |
| Memory_Density | 64.0000000000000000 |
| Memory_IC_Type | STANDARD SRAM |
| Memory_Organization | 16X4 |
| Memory_Width | 4 |
| Number_of_Terminals | 16 |
| Number_of_Words | 16.0000000000000000 |
| Number_of_Words_Code | 16 |
| Operating_Mode | Asynchronous |
| Operating_Temperature_Max | 125.0 |
| Operating_Temperature_Min | -55.0 |
| Output_Characteristics | 3-State |
| Package_Body_Material | Ceramic |
| Package_Code | DFP |
| Package_Equivalence_Code | FL16,.3 |
| Package_Shape | Rectangular |
| Package_Style | FlatPack |
| Parallel_Serial | Parallel |
| Screening_Level_Reference_Standard | MIL-STD-883 Class B (Modified) |
| Supply_Voltage_Max | 5.50000 |
| Supply_Voltage_Min | 4.50000 |
| Supply_Voltage_Nom | 5 |
| Surface_Mount | Yes |
| Terminal_Form | Flat |
| Terminal_Pitch | 1.270 |
| Terminal_Position | Dual |
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