XC6121/XC6122/XC6123/XC6124
Series
■PRODUCT CLASSIFICATION
●Selection Guide
RESET OUTPUT
SERIES
EN/ENB PIN FUNCTION
HYSTERESIS
(EN/ENB INPUT LOGIC*,
VDFL (RESETB)
VDFH (RESET)
PULL-UP OR DOWN RESISTOR)
XC6121
XC6122
XC6123
XC6124
N-channel open drain
N-channel open drain
N-channel open drain
N-channel open drain
-
-
-
-
EN with No Pull-Up Resistor
EN with Pull-Up Resistor
Available:
VDFL x 5% (TYP.)
ENB with No Pull-Down Resistor
ENB with Pull-Down Resistor
* EN input logic: The watchdog function turns on when the EN pin becomes high level.
* ENB input logic: The watchdog function turns on when the ENB pin becomes low level.
●Ordering Information
XC6121①②③④⑤⑥: N-channel Open Drain Output (RESETB), EN Pin: No Pull-Up Resistor
XC6122①②③④⑤⑥: N-channel Open Drain Output (RESETB), EN Pin: Pull-Up Resistor
XC6123①②③④⑤⑥: N-channel Open Drain Output (RESETB), ENB Pin: No Pull-Down Resistor
XC6124①②③④⑤⑥: N-channel Open Drain Output (RESETB), ENB Pin: Pull-Down Resistor
DESIGNATOR
DESCRIPTION
SYMBOL
DESCRIPTION
A
C
D
E
F
2
: 3.13ms (TYP.)
: 50ms (TYP.)
: 100ms (TYP.)
: 200ms (TYP.)
: 400ms (TYP.)
: 50ms (TYP.)
: 100ms (TYP.)
: 200ms (TYP.)
: 400ms (TYP.)
: 800ms (TYP.)
: 1.6s (TYP.)
①
Release Delay Time
3
4
②
Watchdog Timeout Period
5
7
6
: Detect voltage
③④
⑥
Detect Voltage
Packages
16 ~ 50
ex.) 4.5V: ③⇒4, ④⇒5
: SOT-25
M
E
R
L
: USP-6C
: Embossed tape, standard feed
: Embossed tape, reverse feed
⑦
Device Orientation
* Please set the release delay time shorter than or equal to the watchdog timeout period.
ex.) XC6121D327MR or XC6121D627MR
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