| Part No. |
VDD |
System
Clock |
Internal Clock |
Program Memory |
Data Memory |
I/O |
Timer |
Interrupt |
A/D |
PWM |
PFD |
OPA |
SPI/
I2C |
Stack |
Package |
| 8-bit |
16-bit |
RTC |
Ext. |
Int. |
| HT45R52 |
2.2V~
5.5V |
400kHz~
12MHz or 32768Hz |
4MHz |
2Kx15 |
192x8 |
18 |
1 |
-- |
v |
2 |
5 |
12-bitx12 |
12-bitx2 |
v |
1 |
1 |
4 |
16DIP/NSOP, 20DIP/SSOP |
HT45R54 |
2.2V~
5.5V |
400kHz~
12MHz or 32768Hz |
4MHz |
4Kx15 |
384x8 |
30 |
1 |
1 |
v |
2 |
6 |
12-bitx24 |
12-bitx4 |
v |
1 |
1 |
8 |
20DIP/SSOP, 24/28SKDIP, 24/28SSOP, 32QFN |
Note: These devices are only available in OTP versions. |
