EZ80F91MCU Datasheet, PDF (366/396 Pages) Zilog, Inc. – eZ80Acclaim-TM Flash Microcontrollers

eZ80F91 MCU
Product Specification
347
POR and VBO Electrical Characteristics
Table 232 lists the Power-On Reset and Voltage Brown-Out characteristics of the
eZ80F91 device.
Table 232. POR and VBO Electrical Characteristics
T_A = –40ºC to 105ºC
Symbol Parameter
Min Typ Max
V_VBO
VBO Voltage Threshold
2.45
V_POR
POR Voltage Threshold
2.55
V_HYST POR/VBO Hysteresis
55
T_ANA
POR/VBO analog RESET duration 40
T_{VBO_MIN} VBO pulse reject period
I_{POR_VBO} POR/VBO DC current consumption
VCC_RAMP V_CC ramp rate requirements to
0.1
guarantee proper RESET occurs
2.77
2.70
75
10
40
2.90
2.95
95
100
50
100
Unit Conditions
V V_CC = V_VBO
V V_CC = V_POR.
mV
µs
µs
µA
V/ms
Flash Memory Characteristics
Table 233 lists the Flash memory characteristics of the eZ80F91 device.
Table 233. Flash Memory Electrical Characteristics and Timing
V_DD = 3.0 to 3.6 V; T_A = –40ºC to 105ºC
Symbol
Flash Byte Read Time
Flash Byte Program Time
Flash Page Erase Time
Flash Mass Erase Time
Writes to Single Address
Flash Row Program Time
Data Retention
Endurance
Minimum
60
65
—
—
—
—
100
10,000
Typical
—
—
10
200
—
—
—
—
Maximum
—
85
—
—
2
13.4
—
—
Units
ns
ns
ms
ms
ms
years
cycles
Notes
2 KB
Before Next Erase
ROW mode
25ºC
PS019209-0504
PRELIMINARY
Electrical Characteristics