SMS1242
ABSOLUTE MAXIMUM RATINGS*
Temperature Under Bias
–55°C to 125°C
Storage Temperature
–65°C to 150°C
Terminal Voltage (With Respect to Ground)–0.3V to 6V
Lead Solder Temperature (10 secs)
300°C
*COMMENT
Stresses above 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 outside those listed in the operation sec-
tions of this specification is not implied. Exposure to any abso-
lute maximum rating for extended periods may affect device
performance and reliability.
Symbol
V
CC
I
CC
Parameter
Operating supply voltage
Conditions
Min.
1
Typ.
Max.
5.5
Units
V
µA
µA
mA
V
V
V
V
V
V
mV
3.6V < V
CC
< 5.5V
Supply current
3.6V > V
CC
Memory access (SMS1243 only)
Device option A
Device option B
V
RST
Reset threshold
Device option C
Device option D
Device option E
Device option F
V
HYST
t
RST
V
OL
I
MR
t
MR
V
IL
V
IH
V
SNS
V
CC
V
RST
Hysterisis
Reset pulse width
RESET1# output low voltage
MR# pullup current
MR# pulse width
MR# input threshold
MR# input threshold
V
SENSE
input threshold
RESET2# output low voltage
V
CC
= V
RST
min., V
SENSE
falling
I
SINK
= 1.2mA, V
CC
= V
RST
min.
I
SINK
= 200µA, V
CC
= 1.2V
0.7
×
V
CC
1.20
50
I
SINK
= 1.2mA, V
CC
= V
RST
min.
I
SINK
= 200µA, V
CC
= 1.2V
100
4.375
4.625
4.425
2.425
2.625
2.925
25
25
50
50
3
4.425
4.675
4.475
2.450
2.650
2.950
50
150
4.475
4.725
4.525
2.475
2.675
2.975
200
0.3
0.3
ms
V
V
µA
ns
100
0.6
V
V
1.25
1.30
0.3
0.4
V
V
V
2038 Elect Table 2.0
SUMMIT MICROELECTRONICS, Inc.
2038 2.0 6/8/00
2
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
