Part No. VDD System
Clock		 Program
Memory		 Data
Memory		 I/O 8-bit
Timer		 A/D PWM PFD Stack Package
HT46R51A
2.2V~
5.5V
400kHz~
8MHz
1Kx15
96x8
14
1
12-bitx5
8-bitx1
v
6
16NSOP, 18DIP,
20SOP/SSOP
HT46R52A
2.2V~
5.5V
400kHz~
8MHz
2Kx15
128x8
14
1
12-bitx5
8-bitx1
v
6
16NSOP, 18DIP,
20SOP/SSOP
HT46R53A
2.2V~
5.5V
400kHz~
8MHz
2Kx15
192x8
22
1
12-bitx8
8-bitx1
v
6
28SKDIP/SOP
HT46R54A
2.2V~
5.5V
400kHz~
8MHz
4Kx15
280x8
22
1
12-bitx8
8-bitx1
v
6
28SKDIP/SOP
Note: These devices are only available in OTP versions.