X4323V8I-2.7A datasheet, PDF - EEWORLD Datasheet

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X4323V8I-2.7A: DescriptionPower Supply Management Circuit, Adjustable, 1 Channel, CMOS, PDSO8, PLASTIC, TSSOP-8; CategoryPower/power management The power supply circuit; File Size510KB，22 Pages; ManufacturerXicor Inc.

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X4323V8I-2.7A Overview

Power Supply Management Circuit, Adjustable, 1 Channel, CMOS, PDSO8, PLASTIC, TSSOP-8

X4323V8I-2.7A Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Xicor Inc.
package instruction	PLASTIC, TSSOP-8
Reach Compliance Code	unknown
Adjustable threshold	YES
Analog Integrated Circuits - Other Types	POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code	R-PDSO-G8
JESD-609 code	e0
length	4.4 mm
Number of channels	1
Number of functions	1
Number of terminals	8
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Certification status	Not Qualified
Maximum seat height	1.2 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
width	3 mm
Base Number Matches	1

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32K

X4323/5

CPU Supervisor with 32K EEPROM

DESCRIPTION

4K x 8 Bit

FEATURES

• Selectable watchdog timer

• Low V

detection and reset assertion

—Four standard reset threshold voltages

—Adjust low V

reset threshold voltage using

special programming sequence

—Reset signal valid to V

= 1V

• Low power CMOS

—<20µA max standby current, watchdog on

—<1µA standby current, watchdog off

—3mA active current

• 32Kbits of EEPROM

—64-byte page write mode

—Self-timed write cycle

—5ms write cycle time (typical)

• Built-in inadvertent write protection

—Power-up/power-down protection circuitry

—Block Lock (1, 2, 4, 8 pages, all, none)

• 400kHz 2-wire interface

• 2.7V to 5.5V power supply operation

• Available packages

—8-lead SOIC

—8-lead TSSOP

The X4323/5 combines four popular functions, Power-

on Reset Control, Watchdog Timer, Supply Voltage

Supervision, and Serial EEPROM Memory in one pack-

age. This combination lowers system cost, reduces

board space requirements, and increases reliability.

Applying power to the device activates the power on

reset circuit which holds RESET/RESET active for a

period of time. This allows the power supply and oscilla-

tor to stabilize before the processor can execute code.

The Watchdog Timer provides an independent protec-

tion mechanism for microcontrollers. When the micro-

controller fails to restart a timer within a selectable time

out interval, the device activates the RESET/RESET

signal. The user selects the interval from three preset

values. Once selected, the interval does not change,

even after cycling the power.

The device’s low V

detection circuitry protects the

user’s system from low voltage conditions, resetting the

system when V

falls below the set minimum V

trip

point. RESET/RESET is asserted until V

returns to

proper operating level and stabilizes. Four industry stan-

dard V

TRIP

thresholds are available, however, Xicor’s

unique circuits allow the threshold to be reprogrammed

to meet custom requirements or to ﬁne-tune the thresh-

old for applications requiring higher precision.

BLOCK DIAGRAM

Watchdog Transition

Detector

Data

Command

Decode &

Control

Logic

Threshold

Reset logic

Block Lock Control

Protect Logic

Status

EEPROM Array

RESET (X4323)

RESET (X4325)

Watchdog

Timer Reset

SDA

SCL

Reset &

Watchdog

Timebase

4kb

TRIP

REV 1.20 2/11/04

Power on and

Low Voltage

Reset

Generation

www.xicor.com

Characteristics subject to change without notice.

1 of 22

X4323V8I-2.7A Related Products

	X4323V8I-2.7A	X4323S8I-2.7A	X4325S8I-2.7A	X4325V8I	X4325V8I-2.7
Description	Power Supply Management Circuit, Adjustable, 1 Channel, CMOS, PDSO8, PLASTIC, TSSOP-8	Power Supply Management Circuit, Adjustable, 1 Channel, CMOS, PDSO8, PLASTIC, SOIC-8	Power Supply Management Circuit, Adjustable, 1 Channel, CMOS, PDSO8, PLASTIC, SOIC-8	Power Supply Management Circuit, Adjustable, 1 Channel, CMOS, PDSO8, PLASTIC, TSSOP-8	Power Supply Management Circuit, Adjustable, 1 Channel, CMOS, PDSO8, PLASTIC, TSSOP-8
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible	incompatible
Maker	Xicor Inc.	Xicor Inc.	Xicor Inc.	Xicor Inc.	Xicor Inc.
package instruction	PLASTIC, TSSOP-8	PLASTIC, SOIC-8	PLASTIC, SOIC-8	PLASTIC, TSSOP-8	PLASTIC, TSSOP-8
Reach Compliance Code	unknown	unknown	unknown	unknown	unknow
Adjustable threshold	YES	YES	YES	YES	YES
Analog Integrated Circuits - Other Types	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8	R-PDSO-G8
JESD-609 code	e0	e0	e0	e0	e0
length	4.4 mm	4.9 mm	4.9 mm	4.4 mm	4.4 mm
Number of channels	1	1	1	1	1
Number of functions	1	1	1	1	1
Number of terminals	8	8	8	8	8
Maximum operating temperature	85 °C	85 °C	85 °C	85 °C	85 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSSOP	SOP	SOP	TSSOP	TSSOP
Package shape	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR	RECTANGULAR
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE	SMALL OUTLINE	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	1.2 mm	1.75 mm	1.75 mm	1.2 mm	1.2 mm
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage (Vsup)	2.7 V	2.7 V	2.7 V	4.5 V	2.7 V
Nominal supply voltage (Vsup)	5 V	5 V	5 V	5 V	5 V
surface mount	YES	YES	YES	YES	YES
technology	CMOS	CMOS	CMOS	CMOS	CMOS
Temperature level	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)	Tin/Lead (Sn/Pb)
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	0.65 mm	1.27 mm	1.27 mm	0.65 mm	0.65 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL
width	3 mm	3.9 mm	3.9 mm	3 mm	3 mm
Base Number Matches	1	1	1	-	-

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