Part No. | VDD | System
Clock | Program
Memory | Data
Memory | I/O | LCD | Timer | Interrupt | A/D | PWM | PFD | UART | Stack | Package | 8-bit | 16-bit | RTC | Ext. | Int. | HT46R62
HT46C62 | 2.2V~
5.5V | 400kHz~
8MHz or
32768Hz | 2Kx14 | 88x8 | 20 | 19x4
or
20x3 | 1 | -- | v | 2 | 3 | 9-bitx6 | 8-bitx3 | v | -- | 6 | 52QFP,
56SSOP |  HT46R63
HT46C63
| 2.2V~
5.5V | 400kHz~
8MHz | 4Kx15 | 208x8 | 32 | 19x4
or
20x3 | -- | 1 | v | 2 | 4 | 8-bitx8 | 8-bitx4 | -- | -- | 8 | 56SSOP,
100QFP | HT46R64
HT46C64 | 2.2V~
5.5V | 400kHz~
8MHz or
32768Hz | 4Kx15 | 192x8 | 24 | 32x4
or
33x3 | 1 | 1 | v | 2 | 4 | 10-bitx8 | 8-bitx4 | v | -- | 8 | 52QFP,
56SSOP,
100QFP | HT46R65
HT46C65 | 2.2V~
5.5V | 400kHz~
8MHz or
32768Hz | 8Kx16 | 384x8 | 24 | 40x4
or
41x3 | -- | 2 | v | 2 | 4 | 10-bitx8 | 8-bitx4 | v | -- | 16 | 52QFP,
56SSOP,
100QFP | HT46R652 | 2.2V~
5.5V | 400kHz~
8MHz or
32768Hz | 8Kx16 | 384x8 | 32 | 40x4
or
41x3 | -- | 2 | v | 2 | 4 | 12-bitx8 | 8-bitx16 | v | -- | 16 | 100QFP | HT46RU66
HT46CU66 | 2.2V~
5.5V | 400kHz~
8MHz or
32768Hz | 16Kx16 | 576x8 | 32 | 46x4
or
47x3 | 1 | 2 | v | 2 | 4 | 12-bitx8 | 8-bitx4 | v | -- | 16 | 52QFP,
56SSOP,
100QFP | HT46RU67
HT46CU67* | 2.2V~
5.5V | 400kHz~
8MHz or
32768Hz | 32Kx16 | 768x8 | 32 | 46x4
or
47x3 | 1 | 2 | v | 2 | 4 | 12-bitx8 | 8-bitx4 | v | v | 16 | 52QFP,
56SSOP,
100QFP |
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