MC68HC812A4 Datasheet, PDF (328/342 Pages) Motorola, Inc – 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include

Electrical Characteristics
18.10 ATD AC Operating Characteristics
Characteristic⁽¹⁾
Symbol
Min
ATD operating clock frequency
f_ATDCLK
0.5
Conversion time per channel
0.5 MHz ≤ f_ATDCLK ≤ 2 MHz
18 ATD clocks
32 ATD clocks
t_CONV
8.0
15.0
Stop recovery time
V_DDA = 5.0 V
t_SR
—
1. V_DD = 5.0 Vdc ± 10%, V_SS = 0 Vdc, T_A = T_L to T_H, ATD clock = 2 MHz, unless otherwise noted
Max
2.0
32.0
60.0
50
Unit
MHz
µs
µs
18.11 EEPROM Characteristics
Characteristic⁽¹⁾
Symbol Min Typical Max Unit
Minimum programming clock frequency⁽²⁾
f_PROG
1.0
—
—
MHz
Programming time
t_PROG
—
—
10
ms
Clock recovery time following STOP,
to continue programming
t_CRSTOP
—
— t_PROG+ 1 ms
Erase time
t_Erase
—
—
10
ms
Write/erase endurance
—
10,000 _30,000⁽³⁾ — cycles
Data retention
—
10
—
— years
1. V_DD = 5.0 Vdc ± 10%, V_SS = 0 Vdc, T_A = T_L to T_H, unless otherwise noted
2. RC oscillator must be enabled if programming is desired and f_SYS < f_PROG.
3. If average T_H is below 85 °C
MC68HC812A4 — Rev. 3.0
328
Electrical Characteristics
Advance Information
MOTOROLA