SP706CU-L/TR Exar Corporation, SP706CU-L/TR Datasheet - Page 12
![Low Power Microprocessor Supervisory Circuits](/photos/28/69/286929/8-soic_sml.jpg)
SP706CU-L/TR
Manufacturer Part Number
SP706CU-L/TR
Description
Low Power Microprocessor Supervisory Circuits
Manufacturer
Exar Corporation
Type
Simple Reset/Power-On Resetr
Datasheet
1.SP706EN-L.pdf
(17 pages)
Specifications of SP706CU-L/TR
Number Of Voltages Monitored
1
Reset
Active Low
Reset Timeout
140 ms Minimum
Voltage - Threshold
4.4V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
APPLICATIONS
The SP705-708/813L series offers unmatched
performance
consumption
devices. Refer to Figures 24 and 25 for supply
current
against temperature and supply voltages.
Table 2 shows how the SP705-708/813L series
can
Semiconductor
illustrates to a designer the advantages and
tradeoffs
compared to the Dallas Semiconductor device.
While the names of the pin descriptions may
differ, the functions are the same or very
similar.
708/813L series has a separate watchdog
output
connected to the MR input to generate a Reset
signal.
features, while the SP705-708/813L series has
more fixed functions of reset threshold and
watchdog
© 2010 Exar Corporation
with Bidirectional REST I/O (SP705/706/708)
be
Fig. 23: Interfacing to Microprocessors
pin
The
Unlike
performance
of
used
time-out
WDO
for
DS1232
the
and
the
DS1232LP/LPS.
instead
these
which
SP705-708/813L
DS1232,
the
characteristics
delay.
has
industry
of
can
lowest
pin
the
the
For
be
L
L
Table
selectable
o
o
standard
w
w
SP705-
simply
power
Dallas
series
rated
most
P
P
o
o
w
2
w
12/17
e
e
r
r
M
M
applications,
preferred, with the benefit of reduced cost due
to a less complex part. In addition, the SP705-
708/ 813L series has a power fail input and
output function not available with the DS1232
that is useful for monitoring systems with
unregulated
708/813L series is available in one of the
industry's
sizes, the MSOP.
i
i
c
c
r
r
o
o
p
p
Fig. 25: Supply Current vs. Supply Voltage
Fig. 24: Supply Current vs. Temperature
r
r
o
o
c
c
e
e
smallest
S
S
s
s
supply
P
the
P
s
s
o
o
7
7
r
r
0
0
S
S
fixed
5
5
u
u
voltages.
-
-
space-saving
p
p
S
S
e
e
P
P
r
r
functions
v
7
v
7
i
i
0
0
s
s
o
o
8
8
r
r
The
-
-
y
y
S
S
C
C
P
P
Rev. 2.0.0
i
i
package
will
8
8
r
r
SP705-
c
c
1
1
u
u
3
3
i
i
t
t
be
L
L
s
s