Part No. VDD VIN OTP Program
Memory
Data
Memory
Flash Voice
ROM
Voice
Capacity
I/O 8-bit Timer I2C/
SPI
D/A Stack Package
HT83F40 2.7V~3.6V -- 2Kx15 80x8 512Kx8 128sec 12 2 v 12-bitx1, PWM 4 44QFP
HT83F40P 3.3V 3.6V~24V
HT83F60 2.7V~3.6V -- 2Kx15 80x8 1024Kx8 256sec 12 2 v 12-bitx1, PWM 4 44QFP
HT83F60P 3.3V 3.6V~24V
HT83F80 2.7V~3.6V -- 2Kx15 80x8 2048Kx8 512sec 12 2 v 12-bitx1, PWM 4 44QFP
HT83F80P 3.3V 3.6V~24V

Note: The quoted Voice Capacity is based on a 32Kbps data rate.