Part No. VDD System
Clock
Program
Memory
Data
Memory
I/O Timer Interrupt I2C A/D PWM PFD UART SPI Stack Package
8-bit 16-bit Ext. Int.
HT46RU22 2.2V~
5.5V
400kHz~
8MHz
2Kx14 64x8 19 1 -- 1 3 v 9-bitx8 8-bitx1 v v -- 6 24SKDIP/SOP,
24SSOP
HT46RU232 2.2V~
5.5V
400kHz~
8MHz
4Kx16 192x8 40 1 2 1 4 v 12-bitx8 8-bitx4 v v -- 8 28SKDIP/SOP,
48SSOP
HT46RU24 2.2V~
5.5V
400kHz~
8MHz
8Kx16 384x8 40 1 2 1 5 v 12-bitx8 8-bitx4 v v -- 16 28SKDIP/SOP,
48SSOP
HT46RU25
HT46CU25
2.2V~
5.5V
400kHz~
8MHz
16Kx16 576x8 48 1 2 1 5 v 12-bitx8 8-bitx4 v v -- 16 48/56SSOP
HT46RU26
HT46CU26
2.2V~
5.5V
400kHz~
8MHz
32Kx16 768x8 48 1 2 1 5 v 12-bitx8 8-bitx4 v v v 16 48/56SSOP
Note: Part numbers including "C" are mask version devices while "R" are OTP devices.