X5168 INTERSIL [Intersil Corporation], X5168 Datasheet - Page 5

• Manufacturer Part Number: X5168
• Description: CPU Supervisor with 16Kbit SPI EEPROM
• Manufacturer: INTERSIL [Intersil Corporation]

V
Adj.
TRIP
Program
Emax = Maximum Desired Error
Old V
New V
CC
5
CC
Applied + Error
4.7K
Applied =
FIGURE 3. V
+
Error ≥ Emax
FIGURE 4. SAMPLE V
NC
NO
TRIP
PROGRAMMING SEQUENCE FLOW CHART
Set V
X5168, X5169
(V
V
Measured V
Apply 5V to V
Decrement V
CC
TRIP
CC
Desired V
Desired V
1
2
3
4
goes active?
Reset V
RESET pin
Sequence
Sequence
Set V
= V
X5168/
Execute
X5169
Execute
= V
DONE
Programming
CC
CC
TRIP
TRIP
YES
Error = 0
TRIP
- 10mV)
Applied =
TRIP
TRIP
TRIP
8
7
6
5
CC
CC
RESET CIRCUIT
10K
-
Error > Emax
10K
Old V
New V
CC
Reset V
Sequence
CC
Execute
Applied - Error
Applied =
NC
NC
TRIP
4.7K
RESET
Reset V
Test V
Set V
TRIP
TRIP
September 16, 2005
TRIP
V
P
FN8130.1