M68HC11 Datasheet, PDF (250/336 Pages) Motorola, Inc – Technical Data

Electrical Characteristics
11.20 EEPROM Characteristics
Characteristic⁽¹⁾
Temperature Range
–40 to 85°C –40 to 105°C –40 to 125°C
Unit
Programming time⁽²⁾
< 1.0 MHz, RCO enabled
1.0 to 2.0 MHz, RCO disabled
≥ 2.0 MHz (or anytime RCO enabled)
10
20
15
20
Must use RCO Must use RCO
ms
10
15
20
Erase time⁽²⁾
Byte, row, and bulk
10
10
10
ms
Write/erase endurance
10,000
10,000
10,000
Cycles
Data retention
10
10
10
Years
1. V_DD = 5.0 Vdc ±10%, V_SS = 0 Vdc, T_A = T_L to T_H
2. The RC oscillator (RCO) must be enabled (by setting the CSEL bit in the OPTION register) for EEPROM programming and
erasure when the E-clock frequency is below 1.0 MHz.
11.21 MC68L11E9/E20 EEPROM Characteristics
Characteristic⁽¹⁾
Temperature Range
–20 to 70°C
Unit
Programming time⁽²⁾
3 V, E ≤ 2.0 MHz, RCO enabled
5 V, E ≤ 2.0 MHz, RCO enabled
25
ms
10
Erase time⁽²⁾ (byte, row, and bulk)
3 V, E ≤ 2.0 MHz, RCO enabled
5 V, E ≤ 2.0 MHz, RCO enabled
25
ms
10
Write/erase endurance
10,000
Cycles
Data retention
10
Years
1. V_DD = 3.0 Vdc to 5.5 Vdc, V_SS = 0 Vdc, T_A = T_L to T_H
2. The RC oscillator (RCO) must be enabled (by setting the CSEL bit in the OPTION register) for EEPROM programming and
erasure.
Technical Data
250
Electrical Characteristics
MC68HC11E Family — Rev. 4
MOTOROLA