Z8F082ASJ020EG Datasheet, PDF (252/282 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F082A Series
Product Specification
235
Table 137. Watchdog Timer Electrical Characteristics and Timing
Symbol Parameter
F_WDT WDT Oscillator Frequency
F_WDT WDT Oscillator Error
T_WDTCAL WDT Calibrated Time-out
V_DD = 2.7 V to 3.6 V
T_A = –40°C to +105°C
(unless otherwise stated)
Minimum
0.98
0.70
0.50
Typical
10
1
1
1
Maximum
+50
1.02
1.30
1.50
Units Conditions
kHz
%
s V_DD = 3.3V;
T_A = 30°C
s V_DD = 2.7 V to 3.6 V
T_A = 0°C to 70°C
s V_DD = 2.7 V to 3.6 V
T_A = –40°C to +105°C
Parameter
NVDS Byte Read Time
NVDS Byte Program Time
Data Retention
Endurance
Table 138. Non-Volatile Data Storage
V_DD = 2.7 V to 3.6 V
T_A = –40°C to +105°C
Minimum Typical Maximum Units Notes
34
–
519
µs With system clock at 20MHz
0.171
–
39.7
ms With system clock at 20MHz
100
–
–
years 25°C
160,000
–
–
cycles Cumulative write cycles for
entire memory
PS022827-1212
P R E L I M I N A R Y On-Chip Peripheral AC and DC Electrical