Xinluda Information Technology Co., Ltd Electronic Parts
Available — quote-only
Please contact us or request a quote for current pricing and availability.
The XL71055 is a programmable peripheral interface (PPI) of the well-established 8255 / µPD71055 family of parallel interface units. It serves as a general-purpose interface between a host microprocessor and external peripheral devices, providing flexible, software-configurable parallel I/O. The 71055 family is a CMOS implementation of the industry-standard 8255 architecture, valued for its low power consumption and broad software compatibility with legacy and embedded designs.
Devices in this family organize their I/O into three independently programmable 8-bit ports (Port A, Port B, and Port C, where Port C can be split into two 4-bit halves), delivering 24 programmable I/O lines that interface to the host through an 8-bit bidirectional data bus with standard read/write and chip-select control. The architecture supports the three classic operating modes of the 8255 family: Mode 0 (basic input/output), Mode 1 (strobed input/output with handshaking), and Mode 2 (bidirectional bus).
Note: The XL71055 brand attribution and a manufacturer-specific datasheet could not be independently verified at the time of listing. The features above reflect the standard 8255 / µPD71055 PPI architecture. All electrical parameters and the exact manufacturer part marking should be confirmed against the controlled datasheet prior to design-in. Pacific Component Xchange can help confirm the correct part and supply documentation on request.
The XL71055 is a hard-to-find, legacy-architecture logic device with little to no authorized-distributor stock. Pacific Component Xchange is an independent distributor specializing in obsolete, end-of-life, and allocation-constrained components like the XL71055. We help engineers and procurement teams keep legacy and embedded designs in production when standard channels come up empty.
Every order is backed by our commitment to authenticity and quality assurance, with inspection and counterfeit-avoidance processes to protect your build. Because the exact manufacturer marking on this part can vary, our team will verify part equivalence with you before shipment. We offer global shipping and responsive sourcing for hard-to-find parts. Request a quote (RFQ) today and our team will confirm availability, lead time, and pricing for the quantities you need.
The XL71055 is a programmable peripheral interface (PPI), or parallel interface unit, in the 8255 / uPD71055 family. It provides three 8-bit, software-configurable I/O ports (24 programmable I/O lines) for parallel data transfer between a microprocessor and external peripherals.
Yes. The 71055 family is a CMOS implementation of the industry-standard 8255 architecture, supporting the same three 8-bit ports and the three classic operating modes (Mode 0 basic I/O, Mode 1 strobed I/O with handshaking, and Mode 2 bidirectional bus), making it broadly software-compatible with 8255-based designs.
The XL71055 follows the standard 8255/71055 PPI footprint, a DIP-40 through-hole package. Contact Pacific Component Xchange to confirm the exact package, manufacturer marking, and date-code options for your order.
It provides 24 programmable I/O lines arranged as three 8-bit ports (Port A, Port B, and Port C). Port C can be further split into two independent 4-bit groups for control and handshaking signals.
The XL71055 is a legacy-architecture logic device with little to no authorized-distributor stock, and its brand attribution can vary. Pacific Component Xchange sources hard-to-find and obsolete parts like this on request, so pricing and lead time are quoted per order. Submit an RFQ and we will confirm current availability and part equivalence.
Yes. Because the manufacturer marking on this part can vary, our team will verify part equivalence and supply the applicable datasheet on request so you can confirm full electrical parameters before design-in. The device follows the established 8255/uPD71055 PPI specification.
For:
Sending your request…
Thank you — someone will be in contact shortly.
