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Product Detailed Parameters
- Description：SCSI TERMINATOR, 9-LINE
- Series：*
- Mfr：Texas Instruments
- Package：Bulk
- Type：-
- Number of Terminations：-
- Voltage - Supply：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
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Overview
The UCC5614Z is a nine-line active terminator IC designed for SCSI, SCSI-2, and SPI-2 single-ended parallel bus interfaces. It operates within a supply voltage range of 2.7 V to 5.25 V and draws an operating supply current of 218 mA. The device features integrated 110 Ohm termination resistance to ensure signal integrity in small computer systems. Packaged in a DIL-16 format, it provides low capacitance characteristics suitable for high-speed digital circuits.
Feature Summary
- Provides nine-line active termination for SCSI, SCSI-2, and SPI-2 single-ended standards
- Integrates 110 Ohm termination resistance to prevent signal reflections
- Operates with low capacitance characteristics for high-speed digital applications
Applications
- SCSI parallel bus interface termination
- SCSI-2 standard system integration
- SPI-2 single-ended bus termination
- Small computer systems interface (SCSI) signal integrity management
Procurement Notes
Verify the specific package variant when ordering, as the UCC5614 family includes different form factors such as SSOP-36 for related models like the UCC5631A. Confirm that the DIL-16 package matches your PCB footprint requirements. Ensure the supply voltage range of 2.7 V to 5.25 V aligns with your system design before procurement.
Selection Notes
Select this component for designs requiring dedicated active termination on SCSI or SPI-2 buses. The 110 Ohm internal resistance simplifies board layout by eliminating external resistors. Consider the 218 mA supply current when calculating power budget. Verify compatibility with single-ended signaling standards rather than differential pairs.
Part Context
This part belongs to the Texas Instruments UCC5614 series of signal terminators. It is distinct from other variants like the UCC5631A, which utilizes an SSOP-36 package. The UCC5614Z specifically denotes the DIL-16 configuration, providing a direct replacement for legacy SCSI termination needs in compatible hardware architectures.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Designers should verify pinout compatibility if considering alternative manufacturers' SCSI terminators.
