The Operational Amplifier Replacement Guide
Operational amplifier replacement guide: compare supply, package, pinout, input, output, and speed to find an op-amp equivalent and substitute it safely.
PinCompatible Engineering Team
Guides & Insights
IC Cross Reference & Pin-to-Pin Replacement Guides
Technical guides on pin-compatible substitutes, cross-referencing obsolete ICs, package and specification matching, and sourcing discontinued parts.
Latest Posts
Pin-Compatible Microcontroller Replacement Guide
Pin-compatible microcontroller replacement guide: how to check the pinout, register map, and firmware compatibility of an MCU alternative and qualify the swap.
PinCompatible Engineering Team
Second Source Semiconductor: A Guide for Procurement Teams
How second source semiconductor supply works: qualifying an alternate manufacturer for the same part to reduce single-vendor risk and protect the supply chain.
PinCompatible Engineering Team
Shift Register IC Alternatives: The 74HC595 and Beyond
Shift register IC alternative guide: how to substitute the 74HC595, comparing parallel-out and serial-out parts, packages, supply, and speed for the design.
PinCompatible Engineering Team
STM32F103 vs GD32F103: The Pin-Compatible Alternative
STM32F103 vs GD32F103: compare the pin-compatible MCU alternatives by core, clock, register map, peripherals, and the firmware porting the swap needs.
PinCompatible Engineering Team
What Is a Pin-Compatible IC and Why It Matters
What is a pin-compatible IC and why it matters: an IC with the same pinout and package as another, so it mounts on the same footprint, and how it is verified.
PinCompatible Engineering Team