Part NumberTypeManufacturerDescription
ADC574AKHGrade ABurr-BrownMicroprocessor-Compatible ANALOG-TO-DIGITAL CONVERTER
HI1-574AKD-5Grade AHarris-
HS574AKGrade ASipexInfo source: Sipex web-site
HS574ABGrade BSipexInfo source: Intersil web-site
A: The PIN is fully compatible with the PIN and the function parameters are the same (P/P).
B: The PIN is fully compatible with the PIN, and the function parameters are not identical (P/E).
C: The function is exactly the same, but the package is different (F/E).
D: Functionally similar (C/P).