Electrical characteristics (continued) – Rainbow Electronics MAX16021 User Manual
Page 3
MAX16016/MAX16020/MAX16021
Low-Power µP Supervisory Circuits with
Battery-Backup Circuit and Chip-Enable Gating
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 1.53V to 5.5V, V
BATT
= 3V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
RESET OUTPUT (RESET,
RESET)
Reset Threshold
V
TH
(see Table 1)
V
V
CC
Falling to Reset Delay
t
RD
V
CC
falling at 10V/ms
20
µs
Reset Timeout Period
t
RP
145
215
285
ms
V
CC
≥ 3.3V, I
SINK
= 3.2mA, RESET asserted
0.3
V
CC
≥ 1.6V, I
SINK
= 1mA, RESET asserted
0.3
RESET Output Low Voltage
V
OL
V
CC
≥ 1.2V, I
SINK
= 100µA, RESET asserted
0.3
V
RESET Output High Voltage
(Push-Pull Output)
V
OH
V
CC
= 1.1 x V
TH
, I
SOURCE
= 100µA,
RESET deasserted
V
OUT
- 0.3
V
RESET Output Leakage Current
(Open-Drain Output)
V
RESET
= 5.5V, RESET deasserted
1
µA
V
CC
≥ 3.3V, I
SINK
= 3.2mA, RESET
deasserted
0.3
RESET Output Low Voltage
V
OL
V
CC
≥ 1.8V, I
SINK
= 1.0mA, RESET
deasserted
0.3
V
RESET Output High Voltage
(Push-Pull Output)
V
OH
V
CC
= 0.9 x V
TH
, I
SOURCE
= 100µA,
RESET asserted
V
OUT
- 0.3
V
RESET Output Leakage Current
(Open-Drain Output)
V
RESET
= 5.5V, RESET asserted
1
µA
POWER-FAIL COMPARATOR
PFI, Input Threshold
V
PFT
V
IN
falling, 1.6V ≤ V
CC
≤ 5.5V
0.572
0.590
0.611
V
PFI, Hysteresis
V
PFT-HYS
30
mV
PFI Input Current
V
CC
= 5.5V
-1
+1
µA
V
CC
≥ 1.6V, I
SINK
= 1mA, output asserted
0.3
PFO Output Low Voltage
V
OL
V
CC
≥ 1.2V, I
SINK
= 100µA, output asserted
0.3
V
PFO Output Voltage
High (Push-Pull Output)
V
OH
V
CC
= 1.1 x V
TH
, I
SOURCE
= 100µA, output
asserted
V
OUT
- 0.3
V
PFO, Leakage Current
(Open-Drain Output)
V
PFO
= 5.5V, output deasserted
1
µA
PFO, Delay Time
V
PFT
+ 100mV to V
PFT
- 100mV
20
µs
MANUAL RESET (
MR)
Input Low Voltage
V
IL
0.3 x V
CC
V
Input High Voltage
V
IH
0.7 x V
CC
V
Pullup Resistance
20
30
k
Ω
Glitch Immunity
V
CC
= 3.3V
100
ns
MR to Reset Delay
120
ns