PIC16C77X Datasheet, PDF (157/200 Pages) Microchip Technology – 28/40-Pin, 8-Bit CMOS Microcontrollers w/ 12-Bit A/D

FIGURE 15-1: LOW-VOLTAGE DETECT CHARACTERISTICS
VDD
VLVD
(LVDIF set by hardware)
VLHYS
PIC16C77X
LVDIF
(LVDIF can be cleared in software anytime during
the gray area)
TABLE 15-3 ELECTRICAL CHARACTERISTICS: LVD
DC CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ TA ≤ +85°C for industrial and
0°C ≤ TA ≤ +70°C for commercial
Operating voltage VDD range as described in DC spec Section 15.1 and Section 15.2.
Param
No.
Characteristic
Symbol Min Typ† Max Units
Conditions
D420 _{LVD Voltage}
LVV = 0100
LVV = 0101
2.5 2.58 2.66 V
2.7 2.78 2.86 V
LVV = 0110
2.8 2.89 2.98 V
LVV = 0111
3.0 3.1 3.2
V
LVV = 1000
3.3 3.41 3.52 V
LVV = 1001
3.5 3.61 3.72 V
LVV = 1010
3.6 3.72 3.84 V
LVV = 1011
3.8 3.92 4.04 V
LVV = 1100
4.0 4.13 4.26 V
LVV = 1101
4.2 4.33 4.46 V
LVV = 1110
4.5 4.64 4.78 V
D421 Supply Current
∆ILVD
— 10 20
µA
D422* LVD Voltage Drift Temperature
TCVOUT — 15 50 ppm/°C
coefficient
D423* LVD Voltage Drift with respect to
VDD Regulation
∆VLVD/
—
— 50 µV/V
∆VDD
D424* Low-voltage Detect Hysteresis
VLHYS TBD — 100 mV
* These parameters are characterized but not tested.
Note 1: Production tested at Tamb = 25°C. Specifications over temp limits ensured by characterization.
© 1999 Microchip Technology Inc.
Advance Information
DS30275A-page 157