SPECIFICATIONS
V
CC
= 4.75V to 5.50V for SP705/707/813L,813M, V
CC
= 4.50V to 5.50V for SP706/708, T
A
= T
MIN
to T
MAX
, unless otherwise noted, typical at 25
o
C.
PARAMETER
WDO Output Voltage
MR Pull-Up Current
MR Pulse Width, t
MR
MR Input Threshold
LOW
HIGH
MR to Reset Out Delay, t
MD
PFI Input Threshold
PFI Input Current
PFO Output Voltage
MIN.
V
CC
-1.5
TYP.
MAX.
0.40
UNITS
V
µA
ns
CONDITIONS
I
SOURCE
=800
µA
I
SINK
=3.2mA
MR = 0V
100
150
250
600
0.8
2.0
250
1.20
-25.00
V
CC
-1.5
0.4
1.25
0.01
1.30
25.00
V
ns
V
nA
V
I
SOURCE
= 800
µA
I
SINK
= 3.2mA
Note 2
V
CC
= 5V
Note 1:
The input voltage limits on PFI and MR can be exceeded if the input current is less than 10mA.
Note 2:
Applies to both RESET in the SP705-SP708 and RESET in the SP707/708/813L/813M.
DIP and SOIC
µSOIC
MR 1
V
CC
2
GND 3
PFI 4
SP705
SP706
SP813L
8 WDO
7 RESET / RESET*
6
WDI
RESET / RESET* 1
WDO 2
MR 3
V
CC
4
SP705
SP706
SP813L
8 WDI
7 PFO
6
PFI
5 PFO
5 GND
MR 1
V
CC
2
GND 3
PFI 4
SP707
SP708
8 RESET
7 RESET
6
N.C.
RESET 1
RESET 2
MR 3
V
CC
4
SP707
SP708
8 N.C.
7 PFO
6
PFI
5 PFO
5 GND
* SP813L only
Figure 1. Pinouts
* SP813L only
June 2008 Rev C
SP705 Low Power Microprocessor Supervisory Circuits
© 2008
Exar
Corporation
3
EXAR [ EXAR CORPORATION ]
