SN54AS890FD
Microprogram Sequencer, 14-Bit, TTL, CQCC68Manufacturer: Texas Instruments
Categories: Bit-Slice Processors
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The Texas Instruments SN54AS890FD is a 14-bit TTL microprogram sequencer within the SN54AS890 series. This component features a 14-bit external data bus width and operates with a maximum clock frequency of 22.22 MHz. It is housed in a 68-terminal Ceramic Quad Flat Pack (CQFP) package, specifically a Ceramic Metal-Sealed Cofired Chip Carrier (CQCC-N68) with a square shape and a terminal pitch of 1.27 mm. The device supports a supply voltage range of 4.5V to 5.5V, with a nominal 5.0V. Its operating temperature spans from -55°C to +125°C. This surface-mount component is suitable for high-reliability applications in industries such as aerospace, defense, and industrial control.
Additional Information
Series: SN54AS890RoHS Status: Manufacturer Lead Time: Product Status: DiscontinuedPackaging: Datasheet:Download Free CAD Model:
Technical Details:
| Length | 24.1300 |
| Width | 24.1300 |
| Technology | TTL |
| Clock_Frequency_Max | 22.2200000000000000 |
| External_Data_Bus_Width | 14 |
| JESD_30_Code | S-CQCC-N68 |
| Number_of_Terminals | 68 |
| Operating_Temperature_Max | 125.0000 |
| Operating_Temperature_Min | -55.0000 |
| Package_Body_Material | CERAMIC, METAL-SEALED COFIRED |
| Package_Code | QCCN |
| Package_Shape | Square |
| Package_Style | CHIP CARRIER |
| Seated_Height_Max | 3.0500 |
| Supply_Voltage_Max | 5.5000 |
| Supply_Voltage_Min | 4.5000 |
| Supply_Voltage_Nom | 5.0000 |
| Surface_Mount | Yes |
| Terminal_Form | NO LEAD |
| Terminal_Pitch | 1.270 |
| Terminal_Position | QUAD |
| uPs_uCs_Peripheral_ICs_Type | BIT-SLICE PROCESSOR, MICROPROGRAM SEQUENCER |
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