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The XC6101~XC6105, XC6111~XC6115 series are groups of high-precision, low current consumption voltage detectors with manual reset input function and watchdog functions incorporating CMOS process technology. The series consist of a reference voltage source, delay circuit, comparator, and output driver.

With the built-in delay circuit, the XC6101 ~ XC6105, XC6111 ~ XC6115 series'ICs do not require any external components to output signals with release delay time. Moreover, with the manual reset function, reset can be asserted at any time.

The ICs produce two types of output; VDFL (low when detected) and VDFH (high when detected).

On the XC6101 ~ XC6105, XC6111 ~ XC6115 series' ICs, the WD pin can be left open if the watchdog function is not used.

Whenever the watchdog pin is opened, the internal counter clears before the watchdog timeout occurs.

Moreover, since the manual reset pin is internally pulled up to the VIN pin voltage level, the ICs can be used with the manual reset pin left unconnected if the pin is unused.

The detect voltages are internally fixed 1.6V ~ 5.0V in increments of 100mV, using laser trimming technology.

Six watchdog timeout period settings are available in a range from 6.25ms to 1.6s.

Seven release delay time 1 are available in a range from 3.13ms to 1.6s.


• Microprocessor reset circuits
• Memory battery backup circuits
• System power-on reset circuits
• Power failure detection

Symmetry Electronics (and its e-commerce division: SemiconductorStore.com) is an authorized Telit distributor.


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Detect Voltage Range : 1.6V ~ 5.0V, +2% (0.1V increments)
Hysteresis Width : VDF x 5%, TYP. (XC6101~XC6105) VDF x 0.1%, TYP. (XC6111~XC6117)
Operating Voltage Range : 1.0V ~ 6.0V
Detect Voltage Temperature : +100ppm/C (TYP.)
Output Configuration : N-channel open drain, CMOS
Reset Output Options : VDFL (Low when detected) VDFH (High when detected)
Watchdog Function : Watchdog input WD; If it remains ether high or low for the duration of the watchdog timeout period, a reset is asserted.
Manual Reset Function : Manual Reset Input MRB; When it changes from high to low, a reset is asserted.
Release Delay Time : 1.6s, 400ms, 200ms, 100ms, 50ms, 25ms, 3.13ms (TYP.)
Watchdog Timeout Period : 1.6s, 400ms, 200ms, 100ms, 50ms, 6.25ms (TYP.)
Operating Ambient Temperature : -40?~+85?
Packages : SOT-25, USP-6C
Environmentally Friendly : EU RoHS Compliant, Pb Free

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Part #: XC6102E528MR