XD74LS47 – BCD to 7-Segment Decoder/Driver – Xinluda

The Xinluda XD74LS47 is a BCD to 7-segment decoder/driver with open-collector, active-low outputs for driving common-anode LED displays in a DIP-16 package. Available now for RFQ at Pacific Component Xchange.

The XD74LS47 from Xinluda is a low-power Schottky TTL BCD to 7-segment decoder/driver belonging to the classic 74LS47 logic family. It accepts a 4-bit binary-coded decimal (BCD) input and produces the active-low segment drive signals required to display the decimal digits 0 through 9 on a seven-segment indicator. Its open-collector outputs are designed to drive common-anode LED displays or incandescent lamps directly, eliminating the need for external buffer transistors in many designs.

The XD74LS47 includes the full complement of control functions associated with the 74LS47 architecture: a lamp-test (LT) input for verifying all segments, a ripple-blanking input (RBI) and blanking input / ripple-blanking output (BI/RBO) for automatic leading-edge and trailing-edge zero suppression in multi-digit displays, and overall blanking control that can be used to modulate lamp intensity. Inputs and outputs are fully TTL-compatible, making the part a convenient drop-in for legacy and new TTL-based display systems.

Key Features

• Function: BCD to 7-segment decoder/driver (74LS47 family)
• Open-collector, active-low outputs for driving common-anode LED displays and incandescent indicators directly
• Lamp-test (LT) capability
• Automatic leading-edge and trailing-edge zero blanking (ripple blanking) control
• Blanking input / ripple-blanking output for cascading and intensity control
• Inputs and outputs fully compatible with TTL logic levels
• Operating temperature range: 0 °C to +70 °C
• Package: 16-pin DIP (DIP-16)

Applications

• Seven-segment LED display driving in instrumentation and meters
• Digital clocks, counters, and timers
• Numeric readouts on industrial control panels
• Test and measurement equipment display front-ends
• Legacy TTL system maintenance and repair
• Educational and hobbyist digital logic projects

Why Source XD74LS47 from Pacific Component Xchange

The XD74LS47 is a niche, Xinluda-branded logic part with limited authorized-distributor coverage, which can make it difficult to secure in production quantities or for legacy maintenance needs. Pacific Component Xchange specializes in hard-to-find and obsolete power-management ICs, logic, and optocouplers, giving engineers and buyers a reliable channel when standard catalog sources fall short.

Every order is backed by our commitment to authenticity and quality, with inspection and verification processes designed to guard against counterfeit and substandard components. We offer global shipping and responsive support for both prototype and volume requirements. Request a quote (RFQ) today and our sourcing team will confirm current availability, lead time, and pricing for the XD74LS47.