SCAN18540TSSC

Buffers, Drivers, Receivers, Transceivers Overview

The SCAN18540TSSC is a high-speed, low-power inverting line driver featuring separate data inputs organized into dual 9-bit bytes with byte-oriented paired output enable control signals. This device is compliant with IEEE 1149.1 Standard Test Access Port and Boundary Scan Architecture with the incorporation of the defined boundary-scan test logic and test access port consisting of Test Data Input (TDI), Test Data Out (TDO), Test Mode Select (TMS), and Test Clock (TCK). It includes CLAMP and HIGHZ instructions and is a member of Fairchild’s SCAN products.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• IEEE 1149.1 (JTAG) compliant
• Dual output enable signals per byte
• 3-STATE outputs for bus-oriented applications
• 9-bit data busses for parity applications

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented applications requiring 3-STATE outputs
• Parity applications utilizing 9-bit data busses
• Boundary scan testing environments

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the manufacturer origin as this component originates from Fairchild Semiconductor, which has undergone corporate restructuring. Confirm that the specific ordering code matches the required package type and ensure compatibility with existing system voltage levels and interface requirements before procurement.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for systems requiring JTAG-compliant boundary scan capabilities alongside high-speed data driving. Ensure the design accommodates the 56-Lead Shrink Small Outline Package dimensions. Verify that the operating temperature range and supply voltage specifications align with the target application environment.

Buffers, Drivers, Receivers, Transceivers Part Context

The SCAN18540TSSC belongs to Fairchild’s SCAN product family, designed specifically for integrated circuit testing and data transmission. It integrates boundary-scan test logic with standard line driver functionality, allowing for both functional testing and normal data operation within a single device package.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Consult official datasheets for pin-compatible alternatives from current manufacturers following Fairchild's acquisition by onsemi. Verify electrical characteristics and package dimensions match the original specifications when considering substitutes.

Buffers, Drivers, Receivers, Transceivers FAQ

What is the maximum TCK clock frequency?

The maximum TCK clock frequency is 25 MHz.

Does the device support the CLAMP instruction?

Yes, the device includes CLAMP and HIGH-Z instructions as part of its IEEE 1149.1 compliance.

How many output enable signals are provided per byte?

There are dual output enable signals provided per byte.