Z8F0113HJ005EG Datasheet, PDF (216/245 Pages) Zilog, Inc. – High-Performance 8-Bit Microcontrollers

Z8 Encore! XP^® F0823 Series
Product Specification
201
On-Chip Peripheral AC and DC Electrical Characteristics
Table 125 tabulates the electrical characteristics of the POR and VBO blocks.
Table 125. Power-On Reset and Voltage Brown-Out Electrical Characteristics and Timing
T_A = –40°C to +105°C
Symbol Parameter
Minimum Typical* Maximum Units Conditions
V_POR Power-On Reset Voltage
Threshold
2.20
2.45
2.70
V V_DD = V_POR
V_VBO Voltage Brown-Out Reset Volt-
age Threshold
2.15
2.40
2.65
V V_DD = V_VBO
V_POR to V_VBO hysteresis
Starting V_DD voltage to ensure
–
valid Power-On Reset.
50
75
mV
V_SS
–
V
T_ANA Power-On Reset Analog Delay
–
70
–
µs V_DD > V_POR;
T_POR Digital
Reset delay fol-
lows T_ANA
T_POR Power-On Reset Digital Delay
16
µs 66 Internal Preci-
sion Oscillator
cycles + IPO
startup time
(T_IPOST)
T_SMR Stop Mode Recovery
16
µs 66 Internal Preci-
sion Oscillator
cycles
T_VBO Voltage Brown-Out Pulse
Rejection Period
–
10
–
µs Period of time in
which V_DD <
V_VBO without
generating a
Reset.
T_RAMP Time for V_DD to transition from
0.10
–
100
ms
V_SS to V_POR to ensure valid
Reset
T_SMP Stop Mode Recovery pin pulse
20
rejection period
ns For any SMR pin
or for the Reset
pin when it is
asserted in STOP
Mode.
Note: *Data in the typical column is from characterization at 3.3 V and 30°C. These values are provided for design
guidance only and are not tested in production.
PS024315-1011
P R E L I M I N A R Y On-Chip Peripheral AC and DC Electrical