FM3264

www.DataSheet4U.com Pre-Production FM3204/16/64/256 Integrated Processor Companion with Memory Features High Integration Device Replaces Multiple Parts Serial Nonvolatile Memory Low Voltage Reset Watchdog Timer Early Power-Fail Warning/NMI Two 16-bit Event Counters Serial Number with Write-lock for Security Processor Companion Active-low Reset Output for VDD and Watchdog Programmable VDD Reset Trip Point Manual Reset Filtered and Debounced Programmable Watchdog Timer Dual Battery-backed Event Counter Tracks System Intrusions or other Events Comparator for Early Power-Fail Interrupt 64-bit Programmable Serial Number with Lock Ferroelectric Nonvolatile RAM 4Kb, 16Kb, 64Kb, and 256Kb versions Unlimited Read/Write Endurance 10 year Data Retention NoDelay™ Writes Fast Two-wire Serial Interface Up to 1 MHz Maximum Bus Frequency Supports Legacy Timing for 100 kHz & 400 kHz Device Select Pins for up to 4 Memory Devices Companion Controlled via 2-wire Interface Easy to Use Configurations Operates from 2.7 to 5.5V Small Footprint 14-pin SOIC (-S) o “Green” 14-pin SOIC (-G) Pin Compatible with FM31xx Series Low Operating Current -40°C to +85°C Operation active when VDD drops below a programmable threshold and remains active for 100 ms after VDD rises above the trip point. A programmable watchdog timer runs from 100 ms to 3 seconds. The watchdog timer is optional, but if enabled it will assert the reset signal for 100 ms if not restar...