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MAX1232MJA/883B

P1-P3P4-P4
SCOPE: MICROPROCESSOR MONITOR
Device Type Generic Number
SMD Number
01 MAX1232MJA/883B 5962-9451401MPA
01 MAX1232MLP/883B 5962-9451401M2C
Case Outline(s).
The case outlines shall be designated in Mil-Std-1835 and as follows:
Outline Letter Mil-Std-1835
Case Outline Package Code
MAXIM SMD
JA P GDIP1-T8 or CDIP2-T8 8 LEAD CERDIP J8
LP 2 CQCC1-N20 20 Pin Ceramic LCC L20
Absolute Maximum Ratings
Supply Voltage to Ground (V
CC
to GND) ................................................... -0.3V to +6V
Maximum Current to any Terminal ......................................................…............... 10mA
__ ______
Input Voltage to ST, TOL, PB RST, TD .......................................... -0.3V to (V
CC
+0.3V)
Lead Temperature (soldering, 10 seconds) ................................................................ +300°C
Storage Temperature ..........................................................................…..... -65°C to +160°C
Continuous Power Dissipation ...............................................................................T
A
=+70°C
8 lead CERDIP(derate 8.0mW/°C above +70°C) ..................................................... 640mW
20 lead LCC(derate 9.1mW/°C above +70°C) ......................................................... 727mW
Junction Temperature T
J
....................................................................................…. +150°C
Thermal Resistance, Junction to Case, ΘJC:
Case Outline 8 lead CERDIP .................................................................... 55°C/W
Case Outline 20 lead LCC ........................................................................ 20°C/W
Thermal Resistance, Junction to Ambient, ΘJA:
Case Outline 8 lead CERDIP .................................................................. 125°C/W
Case Outline 20 lead LCC ...................................................................... 110°C/W
Recommended Operating Conditions.
Ambient Operating Range (T
A
) .............................................................. -55°C to +125°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.
These are stress ratings only, and functional operation of the device at these or any other conditions beyond
those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
---------------------------- Electrical Characteristics of MAX1232M/883B 19-0109 Rev. B
for /883B and SMD 5962-94514 Page 2 of 6
TABLE 1 ELECTRICAL TESTS
PARAMETER Symbol
CONDITIONS
-55 °C <=T
A
<= +125°C
V
CC
=+4.5V to +5.5V
Unless otherwise specified
Group A
Subgroup
Device
type
Limits
Min
1/
Limits
Max
1/
Units
High Level Input
Voltage,
__ ______
ST and PBRST
V
IH
NOTE 2 1,2,3
01
2.0 V
Low Level Input
Voltage,
__ ______
ST and PBRST
V
IL
1,2,3 01
0.8 V
Input Leakage
Current TOL and
__
ST pins
I
IL
1,2,3 01
-1.0 1.0
µA
High Output
Current RST pin
I
OH
V
OH
=2.4V
1,2,3 01
-1.0 mA
Low Output ___
Current RST
and RST pins
I
OL
V
OL
=0.4V
1,2,3 01
2.0 mA
Operating Current I
CC
Measured with outputs open 1,2,3
01
200
µA
Supply Current,
5% trip-point
V
CC
TP All voltages referenced to ground,
T
OL
=V
CC
1,2,3
01
4.50 4.74 V
Supply Current,
10% trip-point
V
CC
TP All voltages referenced to ground,
T
OL
=V
CC
1,2,3
01
4.25 4.49 V
Pushbutton Reset
Input
t
PB
NOTE 3 9,10,11
01
20 ms
Pushbutton Reset
Delay
t
PBD
NOTE 4 9,10,11
01
1.0 20 ms
Reset Active Time
t
RST
9,10,11
01
250 1000 ms
__
ST Pulse Width
t
PW
9,10,11
01
75 ns
__
ST Timeout Period
t
TD
TD pin=0V
TD pin=open
TD pin=V
CC
9,10,11
01
62.5
250
500
250
1000
2000
ms
Supply___Voltage
Detect RST Low to
RST High
t
RPD
V
CC
falling 9,10,11
01
100 ns
Supply___Voltage
Detect RST Open
to RST Low
t
RPU
V
CC
rising, tR≤5µs
9,10,11
01
250 1000 ms
NOTE 1: The algebraic convention, whereby the most negative value is a minimum and the most positive is a
maximum, is used in this table. Negative current shall be defined as conventional flow out of a device
terminal. ______
NOTE 2: The pushbutton reset input (PB RST)pin is internally pulled up to V
CC
with an internal impedance
of 40kΩ. ______
NOTE 3: The pushbutton reset input (PB RST)pin must be held low for a minimum of 20ms to guarantee reset.
NOTE 4: For Subgroups 10 and 11, if not tested, shall be guaranteed to the limits specified in Table 1.
---------------------------- Electrical Characteristics of MAX1232M/883B 19-0109 Rev. B
for /883B and SMD 5962-94514 Page 3 of 6
Package ORDERING INFORMATION: SMD
8 pin CERDIP MAX1232MJA/883B 5962-9451401MPA
20 pin LCC MAX1232MLP/883B 5962-9451401M2C
TERMINAL CONNECTIONS AND FUNCTION:
NAME FUNCTION J8 20LCC
______
PB RST
Pushbutton Reset Input. A debounced active-low input
that ignores pulses less than 1ms in duration and is
guaranteed to recognize inputs of 20ms or greater.
12
TD Time Delay Set. The watchdog timebase select input
(
t
TD
=150ms for TD=0V,
t
TD
=600ms for
TD=open,
t
TD
=1.2 sec. for TD=V
CC
.
25
TOL Tolerance Input. Connect to GND for 5% tolerance or
to V
CC
for 10% tolerance.
37
GND Ground. 4 10
RST Reset Output (Active High) - goes active:
1. If VCC falls below the selected reset voltage
threshold.______
2. __ If PB RST is forced low.
3. If ST is not strobed within the minimum timeout
period.
4, During power-up
512
___
RST
Reset Output (Active Low, Open Drain) - see RST. 6 15
__
ST
Strobe Input. Input for watchdog timer. 7 17
V
CC
The +5V Power-Supply Input 8 20
NC No connect 1,3,4,6,8,9
11,13,14
16,18,19
---------------------------- Electrical Characteristics of MAX1232M/883B 19-0109 Rev. B
for /883B and SMD 5962-94514 Page 4 of 6
P1-P3P4-P4

MAX1232MJA/883B

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Manufacturer:
Maxim Integrated
Description:
Supervisory Circuits MPU Monitor
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