SMS44S Ver la hoja de datos (PDF) - Summit Microelectronics
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SMS44S Datasheet PDF : 16 Pages
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SMS44
ABSOLUTE MAXIMUM RATINGS*
Temperature Under Bias ....................... -55°C to 125°C
Storage Temperature ............................ -65°C to 150°C
Lead Solder Temperature (10 secs) ................... 300 °C
Terminal Voltage with Respect to GND:
V0, V1, V2, and V3 ........... -0.3V to 6.0V
All Others ........................ -0.3V to 6.0V
*COMMENT
Stresses beyond the listed 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 operational sections of this specification is not
implied. Exposure to any absolute maximum rating for extended
periods may affect device performance and reliability.
DC OPERATING CHARACTERISTICS
(Over Recommended Operating Conditions; Voltages are relative to GND)
Symbol
Parameter
VCC Operating supply voltage
ICC Supply current
VPTH Programmable threshold
Range range
VPTH
VHYST
Programmable threshold
VRST hysteresis
RESET# low voltage output
VOL
IRQ# low voltage output
tPRTO
Programmable reset pulse
width
tDRST V in to RESET# delay
Notes
1V min. refers to a valid reset out-
put being generated
Memory read/write operations: at
least one of the V inputs must be at
or above VCC min.
3.6V < VCC ≤ 5.5V
3.6V ≥ VCC
Configuration register or memory
access
Reset threshold voltage range V0 to
V3 (20mV increments)
I = 1.2mA, V = V min.
SINK
CC
RST
ISINK = 1.2mA, VCC ≥ 2.7V
ISINK = 1.2mA, VCC = VRST min.
ISINK = 200µA, VCC = 1.2V
RTO1
RTO0
0
0
0
1
1
0
1
1
100mV overdrive
Min.
1.0
2.7
0.9
–10
20
35
65
130
Typ. Max. Unit
5.5
V
5.5
V
25
50
µA
25
50
µA
2
mA
6.0
V
VPTH
50
10
mV
mV
0.3
V
0.3
V
0.3
V
0.3
V
25
30
50
65
msec
100 135
200 270
20
µs
2047 Elect TableA 2.1
SUMMIT MICROELECTRONICS, Inc.
2047 2.3 10/23/00
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