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SMS44 Datasheet(PDF) 6 Page - Summit Microelectronics, Inc.

Part # SMS44
Description  Highly Programmble Voltage Supervisory Circuit
PDF  16 Pages
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Manufacturer  SUMMIT [Summit Microelectronics, Inc.]
Direct Link  http://www.summitmicro.com
Logo SUMMIT - Summit Microelectronics, Inc.

SMS44 Datasheet(HTML) 6 Page - Summit Microelectronics, Inc.

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SMS44
2047 2.3 10/23/00
SUMMIT MICROELECTRONICS, Inc.
A1, A2
A1 and A2 are the address inputs. When addressing the
SMS44 memory or configuration registers the address
inputs distinguish which one of four possible devices
sharing the common bus is being addressed.
SDA
SDA is the serial data input/output pin. It should be tied to
VCC through a pull-up resistor.
SCL
SCL is the serial clock input. It should be tied to VCC
through a pull-up resistor.
Figure 4. Watchdog, Longdog and WLDI Timing
IRQ#
RESET#
WLDI
t0
t0
t0
tPRTO
tPLDTO
2047 Fig04 1.0
Figure 3. Watchdog, Longdog and WLDI Timing
IRQ#
RESET#
tPLDTO
WLDI
t0
t0
t0
t0
t0
tPRTO
tPWDTO
tPLDTO
2047 Fig03 1.0



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