SMS24
VCC
8
SCL 6
SDA 5
NONVOLATILE
MEMORY
ARRAY
Programmable
Device Type
Identifier
1010
1011
WRITE
CONTROL
Programmable
Reset Pulse
25ms
50ms
100ms
200ms
Programmable
Threshold
4.63V
4.37V
2.90V
2.65V
2.15V
VTRIP
1.25V
PROGRAMMABLE
RESET PULSE
GENERATOR
+
RESET
–
CONTROL
PROGRAMMABLE
WATCHDOG
TIMER
Programmable
Watchdog Timer
Off
0.4s
0.8s
1.6s
3.2s
VSENSE 3
4
GND
UV
+
–
OV
Programmable
VLOW Trigger
Overvoltage
Undervoltage
2046 Fig04 2.0
Figure 4. Programmable Options for Device Code 110
2 RESET#
7 WDI
1 VLOW#
Figure 5. Configuration Screen
Figure 6. Memory Test Screen
SUMMIT MICROELECTRONICS, Inc.
2048 2.4. 3/1/01
13