DS1236AS-5+ Maxim Integrated Products, DS1236AS-5+ Datasheet - Page 20

• Manufacturer Part Number: DS1236AS-5+
• Description: IC MICROMANAGER 5% 16-SOIC
• Manufacturer: Maxim Integrated Products
• Series: MicroManagerr
• Type: Battery Backup Circuitr

Specifications of DS1236AS-5+

• Number Of Voltages Monitored: 1
• Output: Open Drain, Push-Pull
• Reset: Active High/Active Low
• Reset Timeout: 25 ms Minimum
• Voltage - Threshold: 4.62V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NOTES:
1. All voltages referenced to ground. A 0.1 μF capacitor is recommended between V
2. Measured with V
3. I
4. I
5. With t
6. V
7. Sleep mode is not invoked.
8. Sleep mode is invoked.
9. t
10. t
11. IN input is less than V
12. All outputs except RST which is 25 μA minimum.
13. All outputs except
14. Pulse width of
15. IN pin greater than V
16. IN pin less than V
17.
18. The WC/
19. If no battery is attached (i.e., V
20.
25°C.
during normal 5-volt operation.
retention battery supply operation, with a maximum drop of 0.8 volts.
V
return to a high.
μamps to switch states. The
sleep mode.
CEI
ST
REC
CE
CCO1
CCO2
CCO
TP
maximum must be met to ensure data integrity on power loss.
should be active low before the watchdog is disabled (i.e., before the
for a period longer than t
is the minimum time required before
low.
is the maximum average load which the DS1236A can supply at V
is the maximum average load which the DS1236A can supply through the V
is approximately V
R
= 5 μs.
SC
pin contains an internal latch which drives back on to the pin. This latch requires +200
NMI
CCO
TP
RST
,
requires that the IN pin remain below V
when V
TP
CEO
TP
when V
and
BAT
but V
, PF,
-0.5V at 1 μA load.
CC
ST
NMI
IPD
CC
BAT
supply rises to V
CC
pin will sink ±50 μamps in normal operation and ±1 μamp in the
and before the t
PF
greater than V
, which is 25 μA maximum.
supply rises to V
=GND) then V
,
ST
,
PBRST
CEI
20 of 20
/
CEO
CCTP
NMI
, RST,
BAT
OHL
BAT
.
.
period has elapsed, the
memory access is allowed.
will track V
. Example: IN tied to GND.
RST
, and
TP
. If the IN pin returns to a level above
NMI
CC
.
pin open. I
CC
ST
-0.3V through the V
NMI
input is tristated).
pin will immediately
CC
BAT
CCO
and GND.
specified at
pin during data
DS1236A
CCO
pin