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XC6121/XC6122/XC6123/XC6124

Series

RESET OUTPUT

EN/ENB PIN FUNCTION

SERIES

HYSTERESIS

(EN/ENB INPUT LOGIC*,

PULL-UP OR DOWN RESISTOR)

XC6121

N-channel open drain

-

EN with No Pull-Up Resistor

XC6122

N-channel open drain

-

EN with Pull-Up Resistor

XC6123

N-channel open drain

-

ENB with No Pull-Down Resistor

XC6124

N-channel open drain

-

Available:

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.

DESIGNATOR

DESCRIPTION

SYMBOL

DESCRIPTION

A

: 3.13ms (TYP.)

C

: 50ms (TYP.)

D

: 100ms (TYP.)

E

: 200ms (TYP.)

①

Release Delay Time

F

: 400ms (TYP.)

2

: 50ms (TYP.)

3

: 100ms (TYP.)

4

: 200ms (TYP.)

5

: 400ms (TYP.)

7

: 800ms (TYP.)

②

Watchdog Timeout Period

6

: 1.6s (TYP.)

③④

Detect Voltage

16 ~ 50

: Detect voltage

ex.) 4.5V: ③⇒4, ④⇒5

M

: SOT-25

⑥

Packages

E

: USP-6C

R

: Embossed tape, standard feed

⑦

Device Orientation

L

: Embossed tape, reverse feed

* Please set the release delay time shorter than or equal to the watchdog timeout period.

ex.) XC6121D327MR or XC6121D627MR

■PRODUCT CLASSIFICATION

●Selection Guide

●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