| Part Number | ROM | RAM | Voltage | CPU_Clock | I/O | LCD | Interrupt | Timer | Stack | OP | Halt | Stop | WDT | Others |
| Source | Level | Current | Current | Current | ||||||||||
| ER802011 | 1K | 48 | 1.8-3.6V | 400K-4MHz | 14 | - | T0,PORTA£¬B£¬C | 1 | 4 | 1mA/455KHz | 40uA/455KHz | 1uA/455KHz | - | Remote Carrier |
| (VLPD-3.6V) | ceramic | (Typ.) | (Typ.) | |||||||||||
| ER802012 | 24K | 128 | 1.8-3.6V | 400K-4MHz | - | - | T0,PBC | 1 | 4 | 0.3mA/455KHz | 40uA/455KHz | 1uA/455KHz | - | Remote Carrier |
| Ceramic | (Typ.) | (Typ.) | ||||||||||||
| ER802013 | 1K | 48 | 3V | 400K-4MHZ | 14 | - | T0,PORTB£¬C | 1 | 4 | 300uA/4MHz | 40uA/455KHz | 1uA/455KHz | - | Remote Carrier |
| (TYP.) | (Typ.) | (Typ.) | ||||||||||||
| 4K | 160 | 2.2-6V | 32K-4MHz | 22 | - | T0,PBC | 1 | 4 | 1mA/4MHz@5V | 0.5mA/4MHz@5V | 1uA/4MHz@5V | YES | - | |
| ER802014 | (2.4-6V) | Xtal/RC | (Typ.) | (Typ.) | (Typ.) | |||||||||
| /CLK/RC | ||||||||||||||
| 1K | 64 | 2.2-6V | 32K-4MHz | 12 | - | T0,PBC | 1 | 4 | 1mA/4MHz@5V | 0.5mA/4MHz@5V | 1uA/4MHz@5V | YES | - | |
| ER802015 | (2.4-6V) | Xtal/RC | (Typ.) | (Typ.) | (Typ.) | |||||||||
| [3.3-5.5V] | /CLK/RC | |||||||||||||
| ER802016 | 24K | 512 | 2.4-5.5V | 2MHz RC | 8 | 33*16 | T0,PB,TB | 2 | 4 | 0.5mA/2MHz@4.5V | - | 0.7uA/2MHz@4.5V | - | - |
| (with real time clock) | 41*8 | (Typ.) | (Typ.) | |||||||||||
| 4K | 512 | 2.4-6V | 32K Xtal, | 8 | 30*8 | TB,T0 | 2 | 4 | 20uA/32KHz | 5uA/32KHz | 1uA/32KHz | - | - | |
| ER802017 | (2.5-6V) | 262K RC, | PB,EX | (Typ.) | (Typ.) | |||||||||
| 455K Cer, | ||||||||||||||
| 2M RC | ||||||||||||||
| 4K | 512 | 2.4-6V | 32K Xtal, | 8 | 34*4 | TB,T0 | 2 | 4 | 10uA/32KHz | 2uA/32KHz | 1uA/32KHz | - | - | |
| ER802018 | (2.5-6V) | 262K RC, | PB,EX | (Typ.) | (Typ.) | |||||||||
| 455K Cer, | ||||||||||||||
| 2M RC | ||||||||||||||
| ER802019 | 2K | 256 | 2.2-5.4V | 32K Xtal, | 16 | 26*4 | T0,T1 | 2 | 4 | 15uA/32KHz | 4.5uA/32KHz | 1uA/32KHz | - | - |
| (2.5-5.4V) | 262K RC | 26*3 | PB,EX | (Typ.) | (Typ.) | |||||||||
| ER802020 | 1K | 256 | 2.2-5.4V | 32K Xtal, | 16 | 26*4 | T0,T1 | 2 | 4 | 15uA/32KHz | 4.5uA/32KHz | 1uA/32KHz | - | - |
| 262K RC | or 26*3 | PB,EX | (Typ.) | (Typ.) | ||||||||||
| ER802021 | 4K | 512 | 2.4-6V | 32K Xtal, | 8 | 34*4 | TB,T0 | 2 | 4 | 20uA/32KHz | 5uA/32KHz | 1uA/32KHz | - | - |
| 262K RC, | PB,EX | (Typ.) | (Typ.) | |||||||||||
| 455K Cer, | ||||||||||||||
| 2M RC | ||||||||||||||
| ER802022 | 2K | 128 | 2.2-3.6V | 32K Xtal, | 8+4 share | 4*34 | T0,T1 | 2 | 4 | 5uA/32KHz | 2.5uA/32KHz | 0.5uA/32KHz | YES | Low Current |
| 131K RC | LCD | PB,EX | (Typ.) | (Typ.) | EL,R-F | |||||||||
| ER802023 | 24K | 256 | 2.4-5.5v | 4MHz RC | 8 | 40*8 | T0,PBC, | 1 | 4 | 0.8mA/4MHz | - | 1uA/4MHz | - | - |
| prog/ | (share 4 LCD) | speech end | (Typ.) | |||||||||||
| voice | ||||||||||||||
| ER802024 | 16K | 512 | 2.4-5.5V | 2MHz RC | 8 | 40*8 | T0,PB | 1 | 4 | 0.1mA/2MHz | - | 0.7uA/2MHz | - | - |
| (Typ.) | (Typ.) |