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X5168V14IZ-4.5A Datasheet(PDF) 1 Page - Intersil Corporation

Part # X5168V14IZ-4.5A
Description  CPU Supervisor with 16Kbit SPI EEPROM
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

X5168V14IZ-4.5A Datasheet(HTML) 1 Page - Intersil Corporation

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1
®
FN8130.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2005-2006. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
X5168, X5169
(Replaces X25268, X25169)
CPU Supervisor with 16Kbit SPI EEPROM
These devices combine three popular functions, Power-on
Reset Control, Supply Voltage Supervision, and Block Lock
Protect Serial EEPROM Memory in one package. This
combination lowers system cost, reduces board space
requirements, and increases reliability.
Applying power to the device activates the power-on reset
circuit which holds RESET/RESET active for a period of
time. This allows the power supply and oscillator to stabilize
before the processor can execute code.
The device’s low VCC detection circuitry protects the user’s
system from low voltage conditions by holding
RESET/RESET active when VCC falls below a minimum VCC
trip point. RESET/RESET remains asserted until VCC returns
to proper operating level and stabilizes. Five industry
standard VTRIP thresholds are available, however, Intersil’s
unique circuits allow the threshold to be reprogrammed to
meet custom requirements or to fine-tune the threshold in
applications requiring higher precision.
Features
•Low VCC Detection and Reset Assertion
- Five standard reset threshold voltages
- Re-program low VCC reset threshold voltage using
special programming sequence
- Reset signal valid to VCC = 1V
• Long Battery Life with Low Power Consumption
- <50µA max standby current, watchdog on
- <1µA max standby current, watchdog off
- <400µA max active current during read
• 16Kbits of EEPROM
• Built-in Inadvertent Write Protection
- Power-up/power-down protection circuitry
- Protect 0, 1/4, 1/2 or all of EEPROM array with Block
Lockprotection
- In circuit programmable ROM mode
• 2MHz SPI Interface Modes (0,0 & 1,1)
• Minimize EEPROM Programming Time
- 32-byte page write mode
- Self-timed write cycle
- 5ms write cycle time (typical)
• 2.7V to 5.5V and 4.5V to 5.5V Power Supply
Operation
• Available Packages
- 14 Ld TSSOP, 8 Ld SOIC, 8 Ld PDIP
• Pb-Free Plus Anneal Available (RoHS Compliant)
Block Diagram
Data
Register
Command
Decode &
Control
Logic
SI
SO
SCK
CS
VCC
Reset
Timebase
Power-on and
Generation
VTRIP
+
-
RESET/RESET
Reset
Low Voltage
Status
Register
Protect Logic
4Kbits
4Kbits
8Kbits
WP
X5168 = RESET
X5169 = RESET
Data Sheet
June 15, 2006


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