Datasheet

PIC16C77X
 1999-2013 Microchip Technology Inc. Advance Information DS30275B-page 157
FIGURE 15-1: LOW-VOLTAGE DETECT CHARACTERISTICS
TABLE 15-3 ELECTRICAL CHARACTERISTICS: LVD
DC CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C  T
A  +85°C for industrial and
0°C  T
A  +70°C for commercial
Operating voltage V
DD 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 2.5 2.58 2.66 V
LVV = 0101 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 I
LVD
—
10 20 A
D422* LVD Voltage Drift Temperature
coefficient
TCV
OUT
—
15 50 ppm/°C
D423* LVD Voltage Drift with respect to
V
DD Regulation
V
LVD/
V
DD
——
50 V/V
D424* Low-voltage Detect Hysteresis V
LHYS 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.
VLVD
VLHYS
LVD I F
V
DD
(LVDIF set by hardware)
(LVDIF can be cleared in software anytime during
the gray area)
774.book Page 157 Tuesday, January 29, 2013 12:02 PM