MAX703CSA Maxim Integrated Products, MAX703CSA Datasheet - Page 8
![IC MPU SUPERVISORY CIRCUIT 8SOIC](/photos/1/39/13902/8-soic_21-0042b_sml.jpg)
MAX703CSA
Manufacturer Part Number
MAX703CSA
Description
IC MPU SUPERVISORY CIRCUIT 8SOIC
Manufacturer
Maxim Integrated Products
Type
Battery Backup Circuitr
Datasheet
1.MAX703CSA.pdf
(9 pages)
Specifications of MAX703CSA
Number Of Voltages Monitored
1
Output
Push-Pull, Totem Pole
Reset
Active Low
Reset Timeout
140 ms Minimum
Voltage - Threshold
4.65V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MAX703CSA
Manufacturer:
MAXIM
Quantity:
146
Part Number:
MAX703CSA
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX703CSA+
Manufacturer:
Maxim
Quantity:
1 315
Part Number:
MAX703CSA+
Manufacturer:
MAXIM/美信
Quantity:
20 000
Company:
Part Number:
MAX703CSA+T
Manufacturer:
MAXIM
Quantity:
50
Part Number:
MAX703CSA+T
Manufacturer:
MAXIM/美信
Quantity:
20 000
In addition to asserting reset at the V
voltage, reset can also be asserted at the PFI input
threshold voltage. Connect PFO to MR to initiate a reset
Low-Cost Microprocessor Supervisory
Circuits with Battery Backup
Table 3. Maxim Microprocessor Supervisory Products
8
MAX690A
MAX691A
MAX692A
MAX693A
MAX696
MAX697
MAX700
MAX703
MAX704
MAX705
MAX706
MAX707
MAX708
MAX791
MAX1232
MAX1259
PART
_______________________________________________________________________________________
THRESHOLD
Using the Power-Fail Comparator
NOMI NAL
4.50/4.75
4.65/Adj.
RESET
4.65
4.65
4.40
4.40
4.65
4.40
4.65
4.40
4.65
4.40
4.65
Adj.
Adj.
( V)
—
M I NI M UM
140/Adj.
140/Adj.
RESET
PULSE
35/Adj.
35/Adj.
WI DTH
( m s)
140
140
200
140
140
140
140
140
140
140
250
—
NOMI NAL
TI MEOUT
0.15/0.60/
WATCH-
PERI OD
1.6/Adj.
1.6/Adj.
1.6/Adj.
1.6/Adj.
DOG
1.2
( s )
1.6
1.6
1.6
1.6
1.0
to Assert Reset
—
—
—
—
—
—
CC
reset threshold
BATTERY
BACKUP-
SWITCH
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
PROTECT
WRITE
Yes
Yes
Yes
Yes
CE
No
No
No
No
No
No
No
No
No
No
No
No
COMPARATOR
pulse when the monitored supply drops below a user-
specified threshold or when V
threshold. For additional noise rejection, place a
capacitor between PFI and GND.
POWER- FAI L
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
M ANUAL
RESET
I NPUT
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
WATCH-
I NPUT
DOG
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
CC
OUTPUT
LOW-
LI NE
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
falls below the reset
ACTI VE-
RESET
HI GH
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
OUTPUT
BATT
ON
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No