Preliminary
◆CMOS Voltage Detector
◆Manual Reset Input
■APPLICATIONS
●Microprocessor reset circuits
●Memory battery backup circuits
●System power-on reset circuits
●Power failure detection
◆Watchdog Functions
◆Built-in Delay Circuit
◆Detect Voltage Range: 1.6~5.0V, ± 2%
◆Reset Function is Selectable
VDFL (Low When Detected)
VDFH (High When Detected)
■FEATURES
■GENERAL DESCRIPTION
The XC6101~XC6107, XC6111~XC6117 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.
Detect Voltage Range
Hysteresis Range
: 1.6V ~ 5.0V, +2%
(100mV increments)
: VDF x 5%, TYP.
(XC6101~XC6107)
VDF x 0.1%, TYP.
(XC6111~XC6117)
Operating Voltage Range : 1.0V ~ 6.0V
With the built-in delay circuit, the XC6101 ~ XC6107,
XC6111 ~ XC6117 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).
Detect Voltage Temperature
Characteristics
: +100ppm/OC (TYP.)
Output Configuration
: N-channel open drain,
CMOS
Watchdog Pin
: Watchdog input
If watchdog input maintains
‘H’ or ‘L’ within the watchdog
timeout period, a reset signal
is output to the RESET
output pin
With 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.
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.
Manual Reset Pin
: When driven ‘H’ to ‘L’ level
signal, the MRB pin voltage
asserts forced reset on the
output pin.
Release Delay Time
: 1.6sec, 400msec, 200msec,
100msec, 50msec, 25msec,
3.13msec (TYP.) can be
selectable.
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 6.25msec to 1.6sec.
Watchdog Timeout Period : 1.6sec, 400msec, 200msec,
Seven release delay time 1 are available in a range from
3.13msec to 1.6sec.
100msec, 50msec,
6.25msec (TYP.) can be
selectable.
■TYPICAL APPLICATION CIRCUIT
■TYPICAL PERFORMANCE
CHARACTERISTICS
●Supply Current vs. Input Voltage
XC61X1~ XC61X5 (2.7V)
30
25
20
Ta=25
℃
Ta=85
℃
15
10
Ta=-40
5
5
0
℃
* Not necessary with CMOS output products.
0
1
2
3
4
6
Input Voltage: VIN (V)
ꢀ
* ‘x’ represents both ‘0’ and ‘1’. (ex. XC61x1⇒XC6101 and XC6111)
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XC6101_07_XC6111_17 ETR0207_009
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