Part No. VDD System
Clock
Program
Memory
Data Memory I/O 16-bit
Timer
Built-in
DC/DC
27MHz
AMP
Stack Package
HT82M72E
HT82M72A
2.0V~3.3V 27MHz 1Kx14 96x8 17 1 v v 2 20/28SOP,
28SSOP
HT82K72E
HT82K72A
2.0V~3.3V 27MHz 2Kx14 96x8 36 1 -- v 4 48SSOP
Note: Part numbers with a single "A" suffix are mask version devices, and with a single "E" suffix are OTP devices.