Part No. VDD System
Clock
Program
Memory
Data Memory I/O 8-bit
Timer
Interrupt A/D PWM PFD Stack Package
SRAM EEPROM Ext. Int.
HT46R46
HT46C46
2.2V~
5.5V
400kHz~
8MHz
1Kx14 64x8 -- 13 1 1 2 8-bitx4 8-bitx1 v 4 16NSOP,
18DIP/SOP.
20SSOP
HT46R47
HT46C47
2.2V~
5.5V
400kHz~
8MHz
2Kx14 64x8 -- 13 1 1 2 9-bitx4 8-bitx1 v 6 16NSOP,
18DIP/SOP,
20SSOP
HT46R48A
HT46C48A
19 20DIP/SOP,
24SKDIP/SOP,
24SSOP
88x8
Note: 1. Part numbers including "C" are mask version devices while "R" are OTP devices.
          2. Part numbers including an "E" suffix contain EEPROM Data Memory.