X5043PI-2.7 Datasheet PDF - Intersil

●CPU Supervisor with 4K SPI EEPROM

●These devices combine four popular functions, Power-on Reset Control, Watchdog Timer, 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.

●Features

●•Low VCCDetection and Reset Assertion

●\- Four standard reset threshold voltages 4.63V, 4.38V, 2.93V, 2.63V

●\- Re-program low VCCreset threshold voltage using special programming sequence.

●\- Reset signal valid to VCC= 1V

●• Selectable Time Out Watchdog Timer

●• Long Battery Life with Low Power Consumption

●\- <50µA max standby current, watchdog on

●\- <10µA max standby current, watchdog off

●• 4Kbits of EEPROM–1M Write Cycle Endurance

●• Save Critical Data with Block Lock™Memory

●\- Protect 1/4, 1/2, all or none of EEPROM array

●• Built-in Inadvertent Write Protection

●\- Write enable latch

●\- Write protect pin

●• SPI Interface - 3.3MHz Clock Rate

●• Minimize Programming Time

●\- 16-byte page write mode

●\- 5ms write cycle time (typical)

●• Available Packages

●\- 8 Ld MSOP, 8 Ld SOIC, 8 Ld PDIP

●\- 14 Ld TSSOP

●• Pb-Free Plus Anneal Available (RoHS Compliant)

●Applications

●• Communications Equipment

●\- Routers, Hubs, Switches

●\- Set Top Boxes

●• Industrial Systems

●\- Process Control

●\- Intelligent Instrumentation

●• Computer Systems

●\- Desktop Computers

●\- Network Servers

●• Battery Powered Equipment