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CALIFORNIA WARNING: This product can expose you to chemicals, including lead and DEHP, which are known to the State of California to cause cancer and birth defects, or other reproductive harm. For more information, go to https://www.p65warnings.ca.gov.
The R6520P 40 pin DIP Periperal Interface Adaptor IC may be substituted with a 6821.
Reference:
6520
R6520P
R6520-26
6821
SY6820A
SY6520A
