SMS1242
*COMMENT
ABSOLUTE MAXIMUM RATINGS*
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.
Temperature Under Bias
Storage Temperature
–55°C to 125°C
–65°C to 150°C
Terminal Voltage (With Respect to Ground)–0.3V to 6V
Lead Solder Temperature (10 secs) 300°C
Symbol
Parameter
Conditions
Min.
Typ.
Max. Units
VCC
Operating supply voltage
1
5.5
50
50
3
V
µA
µA
mA
V
3.6V < VCC < 5.5V
25
25
ICC
Supply current
3.6V > VCC
Memory access (SMS1243 only)
Device option A
Device option B
Device option C
Device option D
Device option E
Device option F
4.375
4.625
4.425
2.425
2.625
2.925
4.425 4.475
4.675 4.725
4.475 4.525
2.450 2.475
2.650 2.675
2.950 2.975
50
V
V
VRST
Reset threshold
V
V
V
VHYST
tRST
VRST Hysterisis
mV
ms
V
Reset pulse width
100
150
200
0.3
0.3
ISINK = 1.2mA, VCC = VRST min.
ISINK = 200µA, VCC = 1.2V
VOL
RESET1# output low voltage
V
IMR
tMR
MR# pullup current
MR# pulse width
100
µA
ns
V
50
VIL
MR# input threshold
MR# input threshold
VSENSE input threshold
0.6
VIH
0.7 × VCC
V
VSNS
VCC = VRST min., VSENSE falling
ISINK = 1.2mA, VCC = VRST min.
ISINK = 200µA, VCC = 1.2V
1.20
1.25
1.30
0.3
V
V
VCC
RESET2# output low voltage
0.4
V
2038 Elect Table 2.0
SUMMIT MICROELECTRONICS, Inc.
2038 2.0 6/8/00
2
SUMMIT [ SUMMIT MICROELECTRONICS, INC. ]
