Datasheet > CAT1640ZD2I-42TE13

CAT1640ZD2I-42TE13

更新时间： 2024-11-06 19:33:03

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安森美 - ONSEMI		/
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18页	175K
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CAT1640, CAT1641

Supervisory Circuits with

I²C Serial 64K CMOS

EEPROM

Description

http://onsemi.com

The CAT1640 and CAT1641 are complete memory and supervisory

solutions for microcontroller−based systems. A 64 kbit serial

EEPROM memory and a system power supervisor with brown−out

protection are integrated together in low power CMOS technology.

Memory interface is via a 400 kHz I C bus.

The CAT1640 provides a precision V sense circuit and drives an

open drain output, RESET low whenever V falls below the reset

PDIP−8

CASE 646AA

TSSOP−8

CASE 948S

threshold voltage.

The CAT1641 provides a precision VCC sense circuit that drives an

open drain output, RESET high whenever V falls below the reset

threshold voltage.

The power supply monitor and reset circuit protect memory and

system controllers during power up/down and against brownout

conditions. Five reset threshold voltages support 5 V, 3.3 V and 3 V

systems. If power supply voltages are out of tolerance reset signals

become active, preventing the system microcontroller, ASIC or

peripherals from operating. Reset signals become inactive typically

200 ms after the supply voltage exceeds the reset threshold level. With

both active high and low reset options, interface to microcontrollers

and other ICs is simple. In addition, the RESET (CAT1640) pin can be

used as an input for push−button manual reset capability.

SOIC−8

CASE 751BD

TDFN−8

CASE 511AM

ORDERING INFORMATION

For Ordering Information details, see page 13.

The CAT1640/41 memory features a 64−byte page. In addition,

hardware data protection is provided by a V sense circuit that

prevents writes to memory whenever VCC falls below the reset

threshold or until V reaches the reset threshold during power up.

Available packages include an 8−pin DIP, SOIC, TSSOP and

4.9 x 3 mm TDFN.

Features

• Precision Power Supply Voltage Monitor

♦ 5 V, 3.3 V and 3 V Systems

S +5.0 V ( 5%, 10%)

• 3.0 V to 5.5 V Operation

• Low Power CMOS Technology

• 64−Byte Page Write Buffer

• 1,000,000 Program/Erase Cycles

• 100 Year Data Retention

S +3.3 V ( 5%, 10%)

S +3.0 V ( 10%)

• Active Low Reset, CAT1640

• Active High Reset, CAT1641

• 8−pin DIP, SOIC, TSSOP and TDFN Packages

• Industrial Temperature Range

• Valid Reset Guaranteed at V = 1 V

• These Devices are Pb−Free, Halogen Free/BFR Free

• 400 kHz I C Bus

and are RoHS Compliant

Publication Order Number:

November, 2011 − Rev. 5

CAT1640/D

12 3 4 5 6 7...18

中文翻译

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与CAT1640ZD2I-42TE13相关器件

型号	品牌	获取价格	描述	数据表
CAT1640ZD2I-42TSSOP	CATALYST	获取价格	Supervisory Circuits with I2C Serial 64K CMOS EEPROM
CAT1640ZD2I45GT3	ONSEMI	获取价格	Supervisory Circuits with I2C Serial 64K CMOS EEPROM
CAT1640ZD2I-45SOIC	CATALYST	获取价格	Supervisory Circuits with I2C Serial 64K CMOS EEPROM
CAT1640ZD2I-45TDFN	CATALYST	获取价格	Supervisory Circuits with I2C Serial 64K CMOS EEPROM
CAT1640ZD2I-45TE13	CATALYST	获取价格	Supervisory Circuits with I2C Serial 64K CMOS EEPROM
CAT1640ZD2I-45TE13	ONSEMI	获取价格	1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8, 4.9 X 3 MM, LEAD AND HALOGEN FREE, MO-220, TDFN-
CAT1640ZD2I-45TSSOP	CATALYST	获取价格	Supervisory Circuits with I2C Serial 64K CMOS EEPROM
CAT1641	CATALYST	获取价格	Catalyst Semiconductor
CAT1641	ONSEMI	获取价格	Supervisory Circuits with I2C Serial 64K CMOS EEPROM
CAT16-4120F4LF	BOURNS	获取价格	Array/Network Resistor, Isolated, 0.062W, 412ohm, 50V, 1% +/-Tol, -200,200ppm/Cel, Surface

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