Datasheet Details
- Part number
- X5645
- Manufacturer
- Xicor
- File Size
- 117.30 KB
- Datasheet
- X5645_XicorInc..pdf
- Description
- CPU Supervisor
X5645 Description
Replaces X25643/X25645 X5643/X5645 CPU Supervisor with 64Kbit SPI EEPROM .
These devices combine four popular functions, Poweron Reset Control, Watchdog Timer, Supply Voltage Supervision, and Block Lock Protect Serial EEPROM.
X5645 Features
* Selectable watchdog timer
* 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
* Determine watchdog or low volta
X5645 Applications
* requiring higher precision. WP SI
SO SCK CS/WDI
VCC
Watchdog Transition Detector
Protect Logic
Data Register
Command Decode &
Control Logic
Status Register
16Kbits 16Kbits
VCC Threshold Reset logic
32Kbits
+
VTRIP
-
EEPROM Array
Watchdog Timer Reset
Reset & Watchdog Timebase
Power On and
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