Datasheet

0
2
1
4
3
8
7
6
5
10
9
-40 0 20-20 40 60 80 100
MAX6316/MAX6317/MAX6318/MAX6320/MAX6321
SUPPLY CURRENT vs. TEMPERATURE
MAX6316toc01
TEMPERATURE (°C)
SUPPLY CURRENT (µA)
V
CC
= 5V
V
CC
= 3V
V
CC
= 1V
0
30
20
10
50
40
90
80
70
60
100
-40 -20 0 20 40 60 80 100
V
CC
FALLING TO RESET PROPAGATION
DELAY vs. TEMPERATURE
MAX6316toc02
TEMPERATURE (°C)
RESET PROPAGATION DELAY (µs)
V
CC
FALLING AT 1mV/µs
V
RST
- V
CC
= 100mV
140
180
160
240
220
200
300
280
260
320
-40
0
20-20 40 60 80 100
MAX6316/MAX6317/MAX6319/MAX6320/MAX6322
MANUAL RESET TO RESET
PROPAGATION DELAY vs. TEMPERATURE
MAX6316toc03
TEMPERATURE (°C)
PROPAGATION DELAY (ns)
V
CC
= 5V
0.95
0.98
0.97
0.96
1.00
0.99
1.04
1.03
1.02
1.01
1.05
-40
-20
0 20 40 60 80 100
NORMALIZED RESET TIMEOUT
PERIOD vs. TEMPERATURE
MAX6316toc04
TEMPERATURE (°C)
NORMALIZED RESET TIMEOUT PERIOD
0.95
0.98
0.97
0.96
1.00
0.99
1.04
1.03
1.02
1.01
1.05
-40 -20 0 20 40 60 80 100
MAX6316/MAX6317/MAX6318/MAX6320/MAX6321
NORMALIZED WATCHDOG TIMEOUT
PERIOD vs. TEMPERATURE
MAX6316toc05
TEMPERATURE (°C)
NORMALIZED WATCHDOG TIMEOUT PERIOD
80
0
10 100 1000
MAXIMUM V
CC
TRANSIENT DURATION
vs. RESET THRESHOLD OVERDRIVE
20
10
MAX6316toc06
RESET THRESHOLD OVERDRIVE (mV) V
RST
- V
CC
TRANSIENT DURATION (µs)
30
50
60
40
70
V
RST
= 3.3V
V
RST
= 4.63V
V
RST
= 2.63V
RESET OCCURS ABOVE LINES
PASSIVE
4.7kΩ
PULLUP
2V/div
RESET, ACTIVE
PULLUP
2V/div
RESET
INPUT
5V/div
200ns/div
MAX6316M/6318MH/6319MH
BIDIRECTIONAL
PULLUP CHARACTERISTICS
MAX6316toc07
100pF
4.7kΩ
+5V
74HC05
74HC05
V
CC
GND
MR
100pF
INPUT
INPUT
+5V
RESET
MAX6316–MAX6322
5-Pin µP Supervisory Circuits with
Watchdog and Manual Reset
4
Maxim Integrated