Datasheet > X4323V8Z-2.7A

X4323V8Z-2.7A

更新时间： 2024-11-01 03:15:19

品牌	Logo	应用领域
英特矽尔 - INTERSIL		光电二极管监控可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
22页	343K
描述
CPU Supervisor with 32k EEPROM

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中文翻译

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数据手册

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X4323V8Z-2.7A 数据手册

X4323, X4325

32k, 4k x 8 Bit

Data Sheet

May 25, 2006

FN8122.1

DESCRIPTION

CPU Supervisor with 32k EEPROM

The X4323, X4325 combines four popular functions,

Power-on Reset Control, Watchdog Timer, Supply Volt-

age Supervision, and Serial EEPROM Memory in one

package. This combination lowers system cost,

reduces board space requirements, and increases

reliability.

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

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.

—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

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.

—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 Ld SOIC

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

standard V thresholds are available, however, Inter-

—8 Ld TSSOP

• Pb-free plus anneal available (RoHS compliant)

TRIP

sil’s unique circuits allow the threshold to be repro-

grammed to meet custom requirements or to fine-tune

the threshold for applications requiring higher precision.

BLOCK DIAGRAM

Watchdog Transition

Detector

Watchdog

Timer Reset

Protect Logic

RESET (X4323)

RESET (X4325)

Data

SDA

Status

EEPROM Array

Command

Reset &

Watchdog

Timebase

SCL

Decode &

Control

Logic

V_CCThreshold

Reset logic

Power-on and

Low Voltage

V_CC

Reset

Generation

V_TRIP

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...22

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与X4323V8Z-2.7A相关器件

型号	品牌	获取价格	描述	数据表
X4325	INTERSIL	获取价格	CPU Supervisor with 32K EEPROM
X4325S8	INTERSIL	获取价格	CPU Supervisor with 32K EEPROM
X4325S8-2.7	INTERSIL	获取价格	CPU Supervisor with 32K EEPROM
X4325S8-2.7	XICOR	获取价格	Power Supply Management Circuit Adjustable 1 Channel CMOS PDSO8
X4325S8-2.7A	INTERSIL	获取价格	CPU Supervisor with 32K EEPROM
X4325S8-4.5A	INTERSIL	获取价格	CPU Supervisor with 32K EEPROM
X4325S8-4.5A	XICOR	获取价格	Power Supply Management Circuit Adjustable 1 Channel CMOS PDSO8
X4325S8I	INTERSIL	获取价格	CPU Supervisor with 32K EEPROM
X4325S8I-2.7	INTERSIL	获取价格	CPU Supervisor with 32K EEPROM
X4325S8I-2.7A	INTERSIL	获取价格	CPU Supervisor with 32K EEPROM

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