NXP 8051 Cross Reference

The TK80C51FA contains a superset of previous 8051 architectures. As a result, it may be used to replace many earlier devices. The following table provides a cross reference to NXP 8051s.

80C31 Family

Device Temp Speed Package Tekmos Replacement Note
P80C31SBAA C 16 PLCC TK80C51FA-AC 1
P80C31SBBB C 16 LQFP TK80C51FA-BC  
P80C31SBPN C 16 PDIP TK80C51FA-PC  
P80C31SFAA I 16 PLCC TK80C51FA-AI  
P80C31SFBB I 16 LQFP TK80C51FA-BI 1, 2
P80C31SFPN I 16 PDIP TK80C51FA-PI 1
P80C31UBAA C 33 PLCC TK80C51FA-AC 1
P80C31UBBB C 33 LQFP TK80C51FA-BC  
P80C31UBPN C 33 PDIP TK80C51FA-PC  
P80C31UFAA I 33 PLCC TK80C51FA-AI  
P80C31UFBB I 33 LQFP TK80C51FA-BI  
P80C31UFPN I 33 PDIP TK80C51FA-PI  

80C32 Family

Device Temp Speed Package Tekmos Replacement Note
P80C32EBPN     PLCC TK80C51FA-PC 1
P80C32IBAA C 33 PLCC TK80C51FA-AC  
P80C32IBBB C 33 LQFP TK80C51FA-BC  
P80C32IBPN C 33 PDIP TK80C51FA-PC  
P80C32NBPN     PDIP TK80C51FA-PC 1
P80C32SBAA C 16 PLCC TK80C51FA-AC  
P80C32SBBB C 16 LQFP TK80C51FA-BC  
P80C32SBPN C 16 PDIP TK80C51FA-PC  
P80C32SFAA I 16 PLCC TK80C51FA-AI  
P80C32SFBB I 16 LQFP TK80C51FA-BI  
P80C32SFPN I 16 PDIP TK80C51FA-PI  
P80C32UBAA C 33 PLCC TK80C51FA-AC  
P80C32UBBB C 33 LQFP TK80C51FA-BC  
P80C32UBPN C 33 PDIP TK80C51FA-PC  
P80C32UFAA I 33 PLCC TK80C51FA-AI  
P80C32UFBB I 33 LQFP TK80C51FA-BI  
P80C32UFPN I 33 PDIP TK80C51FA-PI  

80C32X2 Family

Device Temp Speed Package Tekmos Replacement Note
P80C31X2BA C 30/33 PLCC TK80C51FA-AC 2
P80C31X2BN C 30/33 PDIP TK80C51FA-PC 2
P80C32X2BA C 30/33 PLCC TK80C51FA-AC 2
P80C32X2BN C 30/33 PDIP TK80C51FA-PC 2
P80C32X2BBD C 30/33 LQFP TK80C51FA-BC 2
P80C32X2FA I 30/33 PLCC TK80C51FA-AI 2
P80C32X2FN I 30/33 PDIP TK80C51FA-PI 2
P80C32X2FBD I 30/33 LQFP TK80C51FA-BI 2

80C51FA Family

Device Temp Speed Package Tekmos Replacement Note
P80C51FA-4N C 16 PDIP TK80C51FA-PC  
P80C51FA-4A C 16 PLCC TK80C51FA-AC  
P80C51FA-4B C 16 PQFP TK80C51FA-BC  
P80C51FA-5N I 16 PDIP TK80C51FA-PI  
P80C51FA-5A I 16 PLCC TK80C51FA-AI  
P80C51FA-5B I 16 PQFP TK80C51FA-BI  
P80C51FA-IN C 33 PDIP TK80C51FA-PC  
P80C51FA-IA C 33 PLCC TK80C51FA-AC  
P80C51FA-IB C 33 PQFP TK80C51FA-BC  
P80C51FA-JN I 33 PDIP TK80C51FA-PI  
P80C51FA-JA I 33 PLCC TK80C51FA-AI  
P80C51FA-JB I 33 PQFP TK80C51FA-BI  

Notes:

  1. Contact Factory for specification matching.
  2. Tekmos parts have a maximum speed of 20 MHz with 6X clock.

 

Device Temperature Specification Package
TK80C51FA-PC 0 C – 70 C PDIP 40
TK80C51FA-PI -40 C – 85 C PDIP 40
TK80C51FA-AC 0 C – 70 C PLCC 44
TK80C51FA-AI -40 C – 85 C PLCC 44
TK80C51FA-BC 0 C – 70 C LQFP 44
TK80C51FA-BI -40 C – 85 C LQFP 44
TK80C51FA-CC 0 C – 70 C TQFP 44
TK80C51FA-CI -40 C – 85 C TQFP 44
TK80C51FA-DI -40 C – 85 C Die in Wafer Form
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