Datasheet > X5323V14Z-2.7A

X5323V14Z-2.7A

更新时间： 2024-11-07 22:09:07

品牌	Logo	应用领域
英特矽尔 - INTERSIL		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
21页	359K
描述
CPU Supervisor with 32Kb SPI EEPROM

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数据手册

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X5323V14Z-2.7A 数据手册

X5323, X5325

(Replaces X25323, X25325)

Data Sheet

October 27, 2005

FN8131.1

DESCRIPTION

CPU Supervisor with 32Kb SPI EEPROM

These devices combine four popular functions, Power-on

Reset Control, Watchdog Timer, Supply Voltage

Supervision, and Block Lock Protect 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

—Five standard reset threshold voltages

—Re-program 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

• Determine watchdog or low voltage reset with a

volatile flag bit

• Long battery life with low power consumption

—<50µA max standby current, watchdog on

—<1µA max standby current, watchdog off

—<400µA max active current during read

• 32Kbits of EEPROM

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.

• Built-in inadvertent write protection

—Power-up/power-down protection circuitry

—Protect 0, 1/4, 1/2 or all of EEPROM array with

™

Block Lock protection

The device’s low V

detection circuitry protects the

—In circuit programmable ROM mode

• 2MHz SPI interface modes (0,0 & 1,1)

• Minimize EEPROM programming time

—32-byte page write mode

user’s system from low voltage conditions, resetting the

system when V falls below the minimum V trip

point. RESET/RESET is asserted until V

returns to

proper operating level and stabilizes. Five industry stan-

dard V thresholds are available, however, Intersil’s

—Self-timed write cycle

TRIP

—5ms write cycle time (typical)

• 2.7V to 5.5V and 4.5V to 5.5V power supply

operation

unique circuits allow the threshold to be reprogrammed

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

old for applications requiring higher precision.

• Available packages

—14 Ld TSSOP, 8 Ld SOIC, 8 Ld PDIP

• Pb-free plus anneal available (RoHS compliant)

BLOCK DIAGRAM

Watchdog Transition

Detector

Watchdog

Timer Reset

Protect Logic

RESET/RESET

X5323 = RESET

Data

Status

Command

Decode &

Control

Reset &

Watchdog

Timebase

X5325 = RESET

SCK

8Kbits

CS/WDI

Logic

V_CCThreshold

Reset Logic

16Kbits

Power-on and

Low Voltage

Reset

Generation

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...21

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与X5323V14Z-2.7A相关器件

型号	品牌	获取价格	描述	数据表
X5323V14Z-2.7A-T1	RENESAS	获取价格	IC,SERIAL EEPROM,4KX8,CMOS,TSSOP,14PIN,PLASTIC
X5323V14Z-2.7-T	RENESAS	获取价格	IC,SERIAL EEPROM,4KX8,CMOS,TSSOP,14PIN,PLASTIC
X5323V14Z-2.7-T1	RENESAS	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO14, ROHS COMPLIANT, PLASTIC, TSSOP-14
X5323V14Z-4.5A	INTERSIL	获取价格	CPU Supervisor with 32Kb SPI EEPROM
X5323V14Z-4.5A-T1	RENESAS	获取价格	IC,SERIAL EEPROM,4KX8,CMOS,TSSOP,14PIN,PLASTIC
X5323V14Z-T	RENESAS	获取价格	IC,SERIAL EEPROM,4KX8,CMOS,TSSOP,14PIN,PLASTIC
X5325	INTERSIL	获取价格	CPU Supervisor with 32Kb SPI EEPROM
X5325	RENESAS	获取价格	CPU Supervisor with 32Kb SPI EEPROM
X5325P	INTERSIL	获取价格	CPU Supervisor with 32Kb SPI EEPROM
X5325P-2.7	INTERSIL	获取价格	CPU Supervisor with 32Kb SPI EEPROM

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