MAX6854 MAXIM [Maxim Integrated Products], MAX6854 Datasheet - Page 5

• Manufacturer Part Number: MAX6854
• Description: Nanopower uP Supervisory Circuits with Manual Reset and Watchdog Timer
• Manufacturer: MAXIM [Maxim Integrated Products]

(V
CC
0.30
0.25
0.20
0.15
0.10
0.05
0
= +2.5V, T
0
1.5V
1.7V
V
1000
CC
0
OUTPUT LOW VOLTAGE
= 1.8V
vs. SINK CURRENT
A
= +25°C, unless otherwise noted.)
2000
I
SINK
Nanopower µP Supervisory Circuits with
_______________________________________________________________________________________
V
CC
(µA)
3000
TO RESET DELAY
10µs/div
V
CC
V
t
RD
CC
4000
= 3.3V
V
= 2.5V
TH
= 1.575V
Manual Reset and Watchdog Timer
5000
MAX6854 toc11
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
V
200mV/div
RESET
1V/div
Typical Operating Characteristics (continued)
CC
0
0
200
OUTPUT HIGH VOLTAGE
vs. SOURCE CURRENT
V
CC
= 1.8V
400
I
SOURCE
V
CC
= 2.5V
(µA)
600
V
CC
= 3.3V
800
1000
MANUAL RESET DELAY
100
0.1
10
200ns/div
1
10
t
V
SUPPLY CURRENT vs. WATCHDOG
MRD
WATCHDOG SWITCHING FREQUENCY (Hz)
CC
100
= 2.5V
SWITCHING FREQUENCY
MAX6854 toc12
1k
10k
MR
1V/div
RESET
1V/div
100k
1M
10M
5