X40421V, X4043, X4043 AF Selling Leads, Datasheet
MFG:XICOR Package Cooled:XICOR D/C:05+
X40421V, X4043, X4043 AF Datasheet download
Part Number: X40421V
MFG: XICOR
Package Cooled: XICOR
D/C: 05+
X40421V, X4043, X4043 AF
- Table of contents:
Info of X40421V
Info of X4043
Info of X4043 AF
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About X40421V14-A
PDF/DataSheet Download
Datasheet: X40421V14-A
File Size: 160233 KB
Manufacturer: XICOR [Xicor Inc.]
Download : Click here to Download
About X4043
PDF/DataSheet Download
Datasheet: X4043
File Size: 147481 KB
Manufacturer: XICOR [Xicor Inc.]
Download : Click here to Download
About X40010
PDF/DataSheet Download
Datasheet: X40010
File Size: 127099 KB
Manufacturer: XICOR [Xicor Inc.]
Download : Click here to Download
X4043 General Description
The X4043/45 combines 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. 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 Watchdog Timer provides an independent protection mechanism for microcontrollers. When the microcontroller fails to restart a timer within a selectable time out interval, the device activates the RESET/RESET signal. The user selects the interval from three preset values. Once selected, the interval does not change, even after cycling the power. The devices low VCC detection circuitry protects the users system from low voltage conditions, resetting the system when VCC falls below the minimum VCC trip point. RESET/RESET is asserted until VCC returns to proper operating level and stabilizes. Five industry standard VTRIP thresholds are available, however, Intersils unique circuits allow the threshold to be reprogrammed to meet custom requirements or to fine-tune the threshold for applications requiring higher precision. The memory portion of the device is a CMOS Serial EEPROM array with Intersils block lock protection. The array is internally organized as x 8. The device features an 2-wire interface and software protocol allowing operation on an I2C bus. The device utilizes Intersils proprietary Direct Write™ cell, providing a minimum endurance of 1,000,000 cycles and a minimum data retention of 100 years.
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