MAX6745 Maxim, MAX6745 Datasheet - Page 4

• Manufacturer Part Number: MAX6745
• Description: (MAX6736 - MAX6745) Low-Power Dual-/Triple-Voltage SC70 UP Supervisory Circuits
• Manufacturer: Maxim

Low-Power Dual-/Triple-Voltage SC70 µP
Supervisory Circuits
ELECTRICAL CHARACTERISTICS (continued)
(V
4
RESET Output Open-Drain
Leakage Current
(MAX6736/MAX6738)
POK1 Output Open-Drain
Leakage
V
V
(Note 3)
MANUAL RESET (MAX6736–MAX6739 only)
MR to V
Impedance
MR Timeout Period
MR Minimum Input Pulse Width
MR Glitch Rejection
MR Input Voltage
MR to RESET Delay
V
POK1 Timeout Period
PUSHBUTTON RESET (MAX6740/MAX6741/MAX6742 only)
RESET to V
Impedance
Manual Reset Detect Debounce
Period
Manual Reset Timeout
Period (Note 3)
Manual Reset Minimum Input
Pulse Width
Manual Reset Release Detect
Threshold
Manual Reset Glitch Rejection
Manual Reset to RESET Delay
CC
CC
CC
CC
_______________________________________________________________________________________
1 POWER-OK OUTPUT (MAX6741/MAX6744 only)
= 1.2V to 5.5V, T
Reset Delay
Reset Timeout Period
CC
PARAMETER
1 Internal Pullup
CC
1 Internal Pullup
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
SYMBOL
t
t
t
t
t
I
POKP
t
MPW
MPW
MRP
MRP
LKG
t
t
V
DEB
V
RD
RP
IH
IL
Output not asserted low (Note 2)
Output not asserted low (Note 2)
V
from V
MAX67_ _ _ _ XK_ _D3
MAX67_ _ _ _ XK_ _ D7
Both D3 and D7 timing options
(Note 4)
MAX67_ _ _ _ XK_ _D3
MAX67_ _ _ _ XK_ _ D7
(Note 4)
(Note 4)
(Note 4)
CC
1, V
TH
CC
+ 100mV to V
2, or RSTIN falling at 10mV/µs
CONDITIONS
TH
- 100mV
A
= +25°C.) (Note 1)
V
1200
0.8 ×
1200
0.75
37.5
37.5
MIN
150
150
150
CC
25
1
1
1
56.25
56.25
V
1800
1800
0.5 ×
TYP
225
225
100
300
225
100
300
1.5
CC
35
50
1
V
MAX
2400
0.3 ×
2400
3.00
75.0
75.0
500
500
300
300
100
300
CC
1
UNITS
ms
ms
ms
ms
ms
nA
nA
kΩ
kΩ
µs
µs
ns
ns
µs
ns
ns
V
V