USB 2.0 Low Speed
Part No. VDD System Clock Program
Memory
Data Memory I/O Timer End-
points
Built-in
OSC
LDO
70mA
I/O VDD
Option
SPI R-type
LCD
Stack Package
SRAM EEPROM 8-bit 16-bit
HT82K94E
HT82K94A
2.2V~
5.5V
6MHz or 12MHz 6Kx16 224x8 -- 40 1 1 4 -- -- -- -- -- 8 32QFN, 48SSOP
HT82K95E
HT82K95A
3.3V~
5.5V
6MHz or 12MHz 4Kx15 160x8 -- 32 1 1 3 -- -- -- -- -- 8 28SOP, 32QFN,
48SSOP
HT82K95EE
HT82K95AE
128x8 28SOP
HT82B40R
HT82B40A
3.3V~
5.5V
6MHz or 12MHz 4Kx15 160x8 -- 34 1 1 3 v v v -- -- 8 20/28/48SSOP, 20/32QFN
HT82B40RE
HT82B40AE
128x8 20QFN
HT82B60R 3.3V~
5.5V
6MHz or 12MHz 8Kx16 224x8 -- 42 1 1 4 v v v 1 4 COM 8 20/28/48SSOP, 32QFN

Note: 1. Part numbers with a single "A" suffix are mask version devices, and with a single "E" and "R" suffix are OTP devices. 
         2. Part numbers with an "AE" suffix are mask version devices with EEPROM, and with an "EE" and "RE" suffix are OTP 
             devices with EEPROM.

 

Part No. VDD System
Clock
Program
Memory
Data Memory I/O Timer End-
points
Stack Package
SRAM EEPROM 8-bit 16-bit
HT82M99E
HT82M99A
3.3V~
5.5V
6MHz or
12MHz
2Kx14 96x8 -- 12 -- 1 2 4 18DIP/SOP,
20DIP/SOP/SSOP
HT82M99EE
HT82M99AE
128x8 20SSOP
HT82M9AE
HT82M9AA
3.3V~
5.5V
6MHz or
12MHz
4Kx15 224x8 -- 16 -- 1 3 4 20SOP/SSOP,
24SSOP, 32QFN
HT82M9AEE
HT82M9AAE
128x8 20/24SSOP
HT82M9BE
HT82M9BA
3.3V~
5.5V
6MHz or
12MHz
8Kx16 224x8 -- 20 1 1 4 8 24/28SSOP, 32QFN
HT82M9BEE
HT82M9BAE
128x8 28SOP

Note: 1. Part numbers with a single "A" suffix are mask version devices, and with a single "E" suffix are OTP devices. 
          2. Part numbers with an "AE" suffix are mask version devices with EEPROM, and with an "EE" suffix are OTP devices
              with EEPROM.