Z8F1601 Datasheet, PDF (191/246 Pages) Zilog, Inc. – Z8 Encore Microcontrollers with Flash Memory and 10-Bit A/D Converter

Z8F640x/Z8F480x/Z8F320x/Z8F240x/Z8F160x
Z8 Encore!^®
173
On-Chip Peripheral AC and DC Electrical Characteristics
Table 103. Power-On Reset and Voltage Brown-Out Electrical Characteristics and Timing
Symbol Parameter
V_POR Power-On Reset Voltage
Threshold
V_VBO Voltage Brown-Out Reset
Voltage Threshold
V_POR to V_VBO hysteresis
Starting V_DD voltage to
ensure valid Power-On
Reset.
T_A = -40⁰C to 105⁰C
Minimum Typical¹ Maximum
2.40
2.70
2.90
2.30
2.60
2.85
50
100
–
–
V_SS
–
Units
V
V
mV
V
Conditions
V_DD = V_POR
V_DD = V_VBO
1 Data in the typical column is from characterization at 3.3V and 0⁰C. These values are provided for design guidance
only and are not tested in production.
T_ANA Power-On Reset Analog
–
50
–
µs V_DD > V_POR; T_POR Digital
Delay
Reset delay follows T_ANA
T_POR Power-On Reset Digital
Delay
–
10.2
–
ms 512 WDT Oscillator cycles
(50KHz) + 70 System Clock
cycles (20MHz)
T_VBO Voltage Brown-Out Pulse
–
10
–
ns V_DD < V_VBO to generate a Reset.
Rejection Period
T_RAMP Time for VDD to transition 0.10
–
from V_SS to V_POR to ensure
valid Reset
100
ms
Table 104. Flash Memory Electrical Characteristics and Timing
Parameter
Flash Byte Read Time
Flash Byte Program Time
Flash Page Erase Time
V_DD = 3.0 - 3.6V
T_A = -40⁰C to 105⁰C
Minimum Typical Maximum Units Notes
50
–
–
ns
20
–
40
µs
10
–
–
ms
PS017610-0404
Electrical Characteristics