Part No. VDD System
Clock		 Program
Memory		 Data
Memory		 I/O LCD Timer LCD Type Dual Slope
ADC		 Touch
Key		 Vibration
Amplifier		 Stack Package
8-bit 16-bit RTC R C
HT46R73D-3 2.2V~
5.5V		 400kHz~
8MHz		 4Kx15 128x8 16 16x4 1 2 v v -- v 4 v 4 52QFP
HT46R75D-3 2.2V~
5.5V		 400kHz~
12MHz or
32768Hz		 8Kx16 192x8 22 24x8
~
28x4		 1 2 v v v v 4 v 8 64LQFP
HT45R2K 2.2V~
5.5V		 400kHz~
12MHz or
32768Hz		 16Kx16 256x8 22 24x8
~
28x4		 1 2 v v v v 4 v 8 80LQFP

Note: These devices are only available in OTP versions.