EM6352ZSP3B1.4 datasheet, PDF - EEWORLD Datasheet

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EM6352ZSP3B1.4: DescriptionVoltage Detector, High-Precision; File Size409KB，7 Pages; ManufacturerEMMICRO; Websitehttp://www.emmicroelectronic.com

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EM6352ZSP3B1.4 Overview

Voltage Detector, High-Precision

EM6352ZSP3B1.4 Preview

EM MICROELECTRONIC

-MARIN SA

Voltage Detector, High-Precision

Description

The EM6352 is an ultra-low current voltage detector

available in a large variety of configurations and very small

packages for maximum flexibility in all end-applications up to

125°C and using power supplies between 1.5V and 5.5V.

This circuit monitors the supply voltage of any electronic

system, and generates the appropriate reset signal without a

delay time. The threshold defines the minimum allowed

voltage which guarantees the good functionality of the

system. As long as V

stays above the threshold voltage,

the output stays inactive. If V

drops below V

, the output

goes active. The output is guaranteed to be in the correct

state for V

down to 0.8V. There are 12 reset threshold

voltages starting as low as 1.31V and up to 4.63V. The

EM6352 features three output types: active-low push-pull,

active-low open-drain and active-high push-pull.

Small SC70 and SOT23 packages as well as ultra-low

supply current of 2.7µA make the EM6352 an ideal choice

for portable and battery-operated devices.

EM6352

Features

Ultra-low supply current of 2.7µA (V

=3.3V)

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

±1.5%

reset threshold accuracy

12 reset threshold voltages V

: 4.63V, 4.4V, 3.08V,

2.93V, 2.63V, 2.26V, 2.2V, 1.8V, 1.66V, 1.57V, 1.38V,

1.31V

3 reset output options:

Active-low

RESET

push-pull

Active-low

RESET

open-drain

Active-high

RESET

push-pull

No external components

Immune to short negative V

transients

Guaranteed Reset valid down to 0.8V

Threshold hysteresis: 2.1% of V

Very small SOT23-5L, SOT23-3L, SC70-3L and

SC70-4L (SC-82AB) packages

Typical Application

RESET

Applications

EM6352

GND

MPU, DSP

GND

EXT

for open-drain version only

Pin Configuration

(top view)

RESET

(RESET)

GND

4 NC

GND

5 NC

RESET 1

(RESET)

3 V

Mobile and cordless phones

Modems

Printers

TV, VCR, Video sets

GPS

Toys

Basestations

NiCd cell battery

Automotive systems

Block Diagram

Voltage

Reference

SOT23-5L

RESET 1

(RESET)

4 GND

3 NC

GND

RESET

(RESET)

SOT23-3L

3 V

RESET

(RESET)

SC70-4L

(SC-82AB)

SC70-3L

GND

Pin Description

SOT23-5L

SOT23-3L

SC70-4L

SC70-3L

Name

Function

Active-low

RESET output. RESET remains low while V

below the reset threshold voltage.

Active-high RESET output. RESET remains high while V

below the reset threshold voltage.

Supply Voltage (5.5V max.)

Ground

Not connected. Not internally connected

RESET

4, 5

GND

N.C.

2006, EM Microelectronic-Marin SA

03/06 – rev.I

www.emmicroelectronic.com

EM6352

Ordering Information

EM6352 X SP3B - 2.9 +

Reset Output Type:

X = Active-low /RES push-pull

Y = Active-low /RES open-drain

Z = Active-high RES push-pull

RoHS Compliance:

+ = lead-free/green mold compliant

[blank]

= leaded

Reset Threshold Voltage (V

1.3 = 1.31V

2.26 = 2.26V

1.4 = 1.38V

2.6 = 2.63V

1.6 = 1.57V

2.9 = 2.93V

1.7 = 1.66V

3.1 = 3.08V

1.8 = 1.80V

4.4 = 4.40V

2.2 = 2.20V

4.6 = 4.63V

Package:

SP3B = SOT23-3, Tape&Reel 3000 pcs

SP5B = SOT23-5, Tape&Reel 3000 pcs

SC3B = SC70-3, Tape&Reel 3000 pcs

SC4B = SC70-4, Tape&Reel 3000 pcs

Note:

subject to availability (see standard versions list below). Please give complete Part Number when ordering.

Standard Versions (Top Marking)

Top Marking

Top

Marking

with 4

Characters

Part Number

Top

Marking

Top Marking

with 4

Characters

EM6352XSP3B-1.3

EM6352XSP3B-1.8

EM6352XSP3B-1.8+

EM6352XSP3B-2.2

EM6352XSP3B-2.2+

EM6352XSP3B-2.26

EM6352XSP3B-2.26+

EM6352XSP3B-2.6

EM6352XSP3B-2.6+

EM6352XSP3B-2.9

EM6352XSP3B-2.9+

EM6352XSP3B-4.6

EM6352XSP3B-4.6+

EM6352XSP5B-1.3

EM6352XSP5B-1.8

EM6352XSP5B-2.6

EM6352XSP5B-2.9

EM6352XSP5B-4.6

K3##

K5##

K7##

K8##

KE##

AKAA

AKAE

BKAE

AKAF

BKAF

AKAY

BKAY

AKAG

BKAG

AKAH

BKAH

AKAL

BKAL

AKAA

AKAE

AKAG

AKAH

AKAL

EM6352XSC3B-1.3

EM6352XSC3B-1.8

EM6352XSC3B-2.2

EM6352XSC3B-2.2+

EM6352XSC3B-2.6

EM6352XSC3B-2.9

EM6352XSC3B-2.9+

EM6352XSC3B-4.6

EM6352XSC3B-4.6+

EM6352YSP3B-2.26

EM6352YSP3B-2.6

EM6352YSP3B-2.9

EM6352YSC3B-2.6

EM6352YSC3B-4.6

EM6352YSC4B-1.3

EM6352YSC4B-2.9

EM6352YSC4B-3.1

K5##

K8##

AKAA

AKAE

AKAF

BKAF

AKAG

AKAH

BKAH

AKAL

BKAL

AKAZ

AKAT

AKAU

AKAT

AKAX

AKAM

AKAU

AKAV

Top marking is the standard from 2006. No bottom marking exists. Where ## refers to the lot number (EM internal

reference only)

Top marking with 4 characters is standard from 2003. For lead-free/green mold (RoHS) parts, the first letter of top

marking with 4 characters begins with letter “B” instead of letter “A”. Bottom marking indicates the lot number.

Standard Versions (samples)

Part Number

EM6352XSC3B-2.2+

EM6352XSC3B-2.9+

EM6352XSC3B-4.6+

EM6352XSP3B-2.2

EM6352XSP3B-2.26+

Part Number

EM6352XSP3B-2.6+

EM6352XSP3B-2.9+

EM6352XSP3B-4.6+

EM6352YSC4B-3.1

EM6352YSP3B-2.2

Sample stock is generally held on

standard versions

only. Non standard versions have a 30,000 pieces minimum order

quantity. Please contact factory for other versions not shown here and for availability of non standard versions.

2006, EM Microelectronic-Marin SA

03/06 – rev.I

www.emmicroelectronic.com

EM6352

Absolute Maximum Ratings

Parameter

Voltage at V

to GND

Minimum voltage at any

signal pin

Maximum voltage at any

signal pin

Electrostatic discharge

max. to MIL-STD-883C

method 3015.7 with ref. to

Max. soldering conditions

Storage Temperature

Range

Symbol

MIN

MAX

ESD

MAX

STG

Handling Procedures

Conditions

-0.3V to +6V

GND - 0.3V

+ 0.3V

2000V

250°C x 10s

-65°C to +150°C

This device has built-in protection against high static

voltages or electric fields; however, anti-static precautions

must be taken as for any other CMOS component. Unless

otherwise specified, proper operation can only occur when

all terminal voltages are kept within the voltage range.

Unused inputs must always be tied to a defined logic

voltage level.

Operating Conditions

Parameter

Supply voltage (note 1)

Operating Temperature

Symbol Min Max Unit

0.8 5.5

-40 +125 °C

Stresses above these listed maximum ratings may cause

permanent damages to the device. Exposure beyond

specified operating conditions may affect device reliability

or cause malfunction.

Electrical Characteristics

Unless otherwise specified: V

= 0.8V to 5.5V, T

=+25°C (note 1).

Parameter

Symbol

Conditions

+25°C

=1.5V

-40°C to +125°C

Supply current (note 2)

=3.3V

=5.0V

+25°C

-40°C to +125°C

+25°C

-40°C to +125°C

Min

1.290

1.359

1.546

1.635

1.773

2.167

2.226

2.591

2.886

3.034

4.334

4.561

Typ

2.1

2.7

3.2

1.31

1.38

1.57

1.66

1.80

2.20

2.26

2.63

2.93

3.08

4.40

4.63

Max

4.5

5.4

8.3

6.3

9.6

1.330

1.401

1.594

1.685

1.827

2.233

2.294

2.669

2.974

3.126

4.466

4.699

Unit

EM6352 – 1.3

EM6352 – 1.4

EM6352 – 1.6

EM6352 – 1.7

EM6352 – 1.8

Threshold voltage

(note 3)

EM6352 – 2.2

EM6352 – 2.26

EM6352 – 2.6

EM6352 – 2.9

EM6352 – 3.1

EM6352 – 4.4

EM6352 – 4.6

Threshold voltage

∆

= -40°C to +125°C

ppm/°C

temperature coefficient

∆

(note 4)

Threshold hysteresis

HYS

2.1%

•

Note 1:

Production tested at +25°C only. Over temperature limits are guaranteed by design, not production tested.

min=0.9V for active-high versions (EM6352Z).

Note 2:

RESET (RESET)

open.

Note 3:

Threshold voltage is specified for V

falling.

Note 4:

Typical variation

∆V

of V

at a given temperature T

is calculated as follows:

∆

)

∆

−

∆

Example:

-6

for version V

=2.93V, variation at T

=70°C is equal to

∆V

(70°C)=±50

•

10 x 2.93 x (70-25)=±6.59mV

2006, EM Microelectronic-Marin SA

03/06 – rev.I

www.emmicroelectronic.com

EM6352

Electrical Characteristics

Parameter

Reset timeout period

Propagation delay time

RESET

(RESET) delay

Open-drain

RESET

output

Voltage

(continued)

Unless otherwise specified: V

= 0.8V to 5.5V, T

=+25° C (note 1).

Symbol

POR

Conditions

from 0V to V

TH (typ)

+15% (note 2)

drops from V

TH (typ)

+0.2V to V

TH (typ)

-0.2V

(note 2)

>1V

-40°C to +125°C

>2.5V

>5V

>1V

=100

=1.5mA

=3mA

=100

=1.5mA

=3mA

=-30

=-1.5mA

=-3mA

Min

0.8

Typ

500

130

Max

1090

255

0.3

Unit

Push-pull RESET /

RESET

Output voltage

-40°C to +125°C

>2.5V

>5V

>1V

-40°C to +125°C

>2.5V

>5V

Output leakage current

LEAK

-40°C to +125°C, only for EM6352Y (open-drain)

0.5

Note 1:

Production tested at +25°C only. Over temperature limits are guaranteed by design, not production tested.

min=0.9V for active-high version (EM6352Z).

Note 2:

RESET (RESET)

open.

Timing Waveforms

SEN

Overdrive

HYS

0.8V

logic "1"

RESET

logic "0"

logic "1"

POR

RESET

logic "0"

Note 5:

SEN

= Maximum Transient Duration. Please refer to figure on next page.

Note 6:

Overdrive = V

TH-

-V

. Please refer to figure on next page.

2006, EM Microelectronic-Marin SA

03/06 – rev.I

www.emmicroelectronic.com

EM6352

Typical Operating Characteristics

(Typical values are at T

=+25°C unless otherwise noted,

RESET

or RESET open.)

[ uA ]

-50

1. 5 V

5 . 0 V

3 . 3 V

300

250

200

[ us ]

150

100

-50 -25

-25

[ °C ]

100 125

[ °C ]

vs. Temperature

Propagation Time t

vs. Temperature

2500

2000

1500

[ us ]

1000

500

-50 -25

400

350

300

[ us ]

250

200

150

100

100 125

[ mV ]

100

1000

Reset occurs

above this line

[ °C ]

Reset Timeout Period t

POR

vs. Temperature

Maximum Transient Duration t

SEN

vs. Overdrive V

-V

-2%

-4%

-6%

-8%

-50

-25

100

125

[°C]

Threshold Voltage Variation vs. Temperature (normalized)

2006, EM Microelectronic-Marin SA

03/06 – rev.I

www.emmicroelectronic.com

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