Part No. VDD System
Clock
Program Memory Data
Memory
Data
EEPROM
I/O Timer A/D PWM PFD TX Carrier
Frequency
Type Stack Package
OTP Flash 8-bit 10-bit
HT46R01T3 2.2V~
3.6V
32kHz~
8MHz
1Kx15 -- 96x8 -- 9 2 -- 12-bitx4 8-bitx1 v v 315/433MHz ASK 6 16NSOP
HT48R01T3 2.2V~
3.6V
32kHz~
8MHz
1Kx15 -- 96x8 -- 9 2 -- -- -- v v 315/433MHz ASK 6 16NSOP
HT66F03T3 2.2V~
3.6V
32kHz~
12MHz
-- 1Kx14 64x8 64x8 7 -- 2 12-bitx4 v v v 300~450MHz ASK 4 16NSOP
HT68F03T3 2.2V~
3.6V
32kHz~
12MHz
-- 1Kx14 64x8 64x8 7 -- 2 -- v v v 300~450MHz ASK 4 16NSOP

Note: Part numbers including an "F" are Flash version devices while "R" are OPT devices.