X5043, X5045
Typical Application
2.7-5.0V
VCC
uC
VCC
10K
X5043
RESET
CS
SCK
SI
RESET
SPI
SO
WP
VSS
VSS
Block Diagram
POR and Low
Voltage Reset
Generation
RESET (X5043)
RESET (X5045)
VCC
+
V
-
TRIP
Reset & Watchdog
Timebase
X5043, X5045
STANDARD VTRIP LEVEL
SUFFIX
-4.5A
-4.5
Watchdog
Timer
Reset
Watchdog
Transition
Detector
4.63V (+/-2.5%)
4.38V (+/-2.5%)
2.93V (+/-2.5%)
-2.7A
-2.7
CS/WDI
SI
Status
Register
Command
Decode &
Control
2.63V (+/-2.5%)
SO
SCK
WP
See “Ordering Information” on page 3. for
more details
For Custom Settings, call Intersil.
EEPROM
Array
4Kbits
Logic
Protect Logic
FN8126.1
September 16, 2005
2