Z8F0830HH020SG Datasheet, PDF (208/257 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers

Z8 Encore!^® F0830 Series
Product Specification
190
Table 117. AC Characteristics (Continued)
Symbol Parameter
T_XINR
System Clock Rise
Time
T_XINF
System Clock Fall
Time
T_XTALSET Crystal Oscillator
Setup Time
T_IPOSET Internal Precision
Oscillator Startup
Time
T_WDTSET WDT Startup Time
V_DD = 2.7 to 3.6 V
V_DD = 2.7 to 3.6V T_A = –40°C to
T_A = 0°C to +70°C
+105°C
Min
Max
Min
Max
–
3
Units Conditions
ns T_CLK = 50 ns
–
3
ns T_CLK = 50 ns
–
30,000 cycle Crystal oscillator cycles
–
25
µs Startup time after
enable
–
50
µs Startup time after reset
On-Chip Peripheral AC and DC Electrical Characteristics
Table 118. Power-On Reset and Voltage Brown-Out Electrical Characteristics and Timing
Symbol Parameter
T_A = 0°C to +70°C
Min Typ Max
T_A = –40°C to
+105°C
Min Typ¹ Max
Units
Conditions
V_POR
Power-On Reset
Voltage Threshold
2.20 2.45 2.70
V V_DD = V_POR
(default VBO trim)
V_VBO
Voltage Brown-Out
Reset Voltage
Threshold
2.15 2.40 2.65
V V_DD = V_VBO
(default VBO trim)
V_POR to V_VBO
hysteresis
50 75 mV
Starting V_DD
voltage to ensure
valid Power-On
Reset.
–
V_SS
–
V
T_ANA
Power-On Reset
Analog Delay
–
50
–
µs V_DD > V_POR; T_POR
Digital Reset delay
follows T_ANA
Note: ¹Data in the typical column is from characterization at 3.3V and 0°C. These values are provided for design guid-
ance only and are not tested in production.
PS025113-1212
On-Chip Peripheral AC and DC Electrical