Product Summary

The X25043E is a Programmable Watchdog Supervisory E2PROM. The X25043E combines three popular functions, Watchdog Timer, Voltage Supervision, and E2PROM in a single package. This combination lowers the system cost and reduces the board space requirements.

Parametrics

X25043E absolute maximum ratings: (1)Temperature under Bias: –65℃ to +135℃; (2)Storage Temperature: –65℃ to +150℃; (3)Voltage on any Pin with Respect to VSS: –1.0V to +7V; (4)D.C. Output Current: 5mA; (5) Lead Temperature (Soldering, 10 seconds): 300℃.

Features

X25043E features: (1)Programmable Watchdog Timer; (2)Low VCC Detection; (3)Reset Signal Valid to VCC = 1V; (4)1MHz Clock Rate; (5)512×8 Bits Serial E2PROM 4 Byte Page Mode; (6)Low Power CMOS: 50μA Standby Current, 3mA Active Current; (7)2.7V To 5.5V Power Supply; (8)Block LockTM protect 1/4, 1/2 or all of E2PROM Array; (9)Built-in Inadvertent Write Protection: Power-Up/Power-Down protection circuitry, Write Latch, Write Protect Pin; (10)High Reliability: Endurance: 100,000 cycles per byte, Data Retention: 100 Years, ESD protection: 2000V on all pins; (11)Available Packages: 8-Lead PDlP, 8-Lead SOIC; (12)4-Lead TSSOP; (13)X25043 = Active LOW RESET; (14)X25045 = Active HIGH RESET.

Diagrams

X25043E Pin connection

X25010
X25010

Other


Data Sheet

Negotiable 
X25020
X25020

Other


Data Sheet

Negotiable 
X25020S
X25020S

Other


Data Sheet

Negotiable 
X25021
X25021

Other


Data Sheet

Negotiable 
X25040
X25040

Other


Data Sheet

Negotiable 
X25041
X25041

Other


Data Sheet

Negotiable