DS1238A-5 Maxim Integrated Products, DS1238A-5 Datasheet - Page 12
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DS1238A-5
Manufacturer Part Number
DS1238A-5
Description
IC MICROMANAGER 5% 16-DIP
Manufacturer
Maxim Integrated Products
Series
MicroManagerr
Type
Battery Backup Circuitr
Specifications of DS1238A-5
Number Of Voltages Monitored
1
Output
Open Drain or Open Collector
Reset
Active High/Active Low
Reset Timeout
40 ms Minimum
Voltage - Threshold
4.62V
Operating Temperature
0°C ~ 70°C
Mounting Type
Through Hole
Package / Case
16-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
AC ELECTRICAL CHARACTERISTICS
CAPACITANCE
PARAMETER
V
V
RESET Active OSCSEL=high
PBRST @ V
V
Chip Enable Prop Delay
V
V
V
V
Chip Enable Output Recovery
Time
V
Chip Enable Pulse Width
Watchdog Time Delay Int Clock
Long period
Short period
Watchdog Time Delay, Ext
Clock, after Reset
Normal
V
OSC IN Frequency
PARAMETER
Input Capacitance
Output Capacitance
ST
CC
TP
CC
CC
CC
CC
CC
CC
BAT
Pulse Width
to
Fail Detect to RST,
Slew Rate 4.75 to 4.25
Fail to Chip Enable High
Valid to RST (RC=1)
Valid to RST
Slew to 4.25 to V
Slew 4.25 to 4.75
Detect to PF
NMI
IL
BAT
RST
SYMBOL
SYMBOL
C
t
t
t
f
t
t
t
t
t
C
t
t
t
t
t
t
t
RPD
RST
RPU
REC
OSC
FPU
FB1
IPD
PPF
t
t
OUT
PB
PD
CE
TD
TD
ST
CF
R
F
IN
12 of 13
MIN
MIN
300
110
0.1
1.7
40
40
40
20
30
40
10
7
0
0
20480
TYP
5120
TYP
100
100
100
170
2.7
(0 C to 70 C; V
85
12
MAX
MAX
175
175
150
144
100
150
250
20
5
2
5
7
UNITS
UNITS
CC
clocks
clocks
kHz
ms
ms
ms
ms
pF
pF
ns
ns
ns
= 5V
s
s
s
s
s
s
s
s
s
s
(t
A
=25 C)
NOTES
NOTES
DS1238A
10%)
13
11
5
7
8