EM6323MZSP5B-1.7+ datasheet, PDF

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EM6323MZSP5B-1.7+: DescriptionPower Management Circuit, PDSO5; CategoryPower/power management The power supply circuit; File Size332KB，11 Pages; ManufacturerEM Microelectronic-Marin SA; Websitehttps://www.emmicroelectronic.com; Environmental Compliance

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EM6323MZSP5B-1.7+ Overview

Power Management Circuit, PDSO5

EM6323MZSP5B-1.7+ Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Objectid	105511301
package instruction	TSOP, TSOP5/6,.11,37
Reach Compliance Code	unknown
ECCN code	EAR99
JESD-30 code	R-PDSO-G5
Number of terminals	5
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSOP
Encapsulate equivalent code	TSOP5/6,.11,37
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE
power supply	0.9/5.5 V
Certification status	Not Qualified
Maximum supply current (Isup)	0.0116 mA
surface mount	YES
Temperature level	AUTOMOTIVE
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL

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EM MICROELECTRONIC

- MARIN SA

EM6323/24

Reset Circuit with Manual Reset and Watchdog

Description

The EM6323/24 are low power, high precision reset ICs

featuring a manual reset and a watchdog inputs. They have

different threshold voltages and several timeout reset periods

POR

) and watchdog timeout periods (t

) for maximum

flexibility in the application. EM6323 has a manual reset (

with internal pull-up) and a watchdog input pins. EM6324 has

only a watchdog input pin (WDI). The watchdog function can

be disabled by driving WDI with a three-state driver or by

leaving WDI unconnected. This is useful when the MCU is in

sleep mode.

Small SOT23-5L package as well as ultra-low supply current

of 3.8μA make the EM6323 and the EM6324 an ideal choice

for portable and battery-operated devices.

Features

Ultra-low supply current of 3.8μA (V

=3.3V)

Operating temperature range: -40°C to +125°C

±1.5%

reset threshold accuracy

11 reset threshold voltages V

: 4.63V, 4.4V, 3.08V,

2.93V, 2.8V, 2.63V, 2.3V, 2.2V, 2.0V, 1.8V, 1.66V,

1.57V, 1.38V, 1.31V

200ms reset timeout period (1.6ms, 25ms, 1600ms on

request)

1.6s watchdog timeout period (6.2ms, 102ms, 25.6s on

request)

3 reset output options:

Active-low

RESET

push-pull

Active-low

RESET

open-drain

RESET

Typical Application

RESET

Active-high

RESET

push-pull

Detection of microcontroller in sleep mode

EM632x

GND

WDI

MPU, DSP

I/O

GND

Applications

Workstations

Point of sales (POS)

Personal computers

Routers, hubs and switches

Handheld GPS

Vending machines and ATM

Automotive systems

GND

EXT

for open-drain version only

Fig. 1

Block Diagram

Fig. 2

Oscillator

Pin Configuration

RESET

Voltage

Reference

Reset

Logic

+ Timer

EM6323

RESET

GND

(manual reset,

watchdog)

EM6324

push-pull/open-drain

(watchdog)

5 V

RESET

GND

EM6323

GND

WDI

Transition

Detector

Filter

EM6324

WDI

RESET

push-pull

WDI

Watchdog Logic

+ Timer

SOT23-5

top view

SOT23-5

top view

Fig. 3

Pin Description

SOT23-5L

EM6323 EM6324

Name

RESET

Function

GND

RESET

WDI

Active-low

RESET

output (push-pull or open-drain)

Ground

Manual Reset input with an internal pull-up 30k

resistor. Reset remains active as long as

is low

and for t

POR

after returns high. MR can be driven with a CMOS output or shorted to ground with a switch

Active-high RESET output (push-pull)

Watchdog input. WDI must be driven with a CMOS output. If the microcontroller I/O is put in a high

impedance condition, the circuit will detect this condition as a microcontroller in sleep mode and prevent

its watchdog from timing out

Supply Voltage (5.5V max.)

2006, EM Microelectronic-Marin SA

09/06 - rev.J

www.emmicroelectronic.com

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