Datasheet > CAT1021RD2A-30TE13

CAT1021RD2A-30TE13

更新时间： 2024-11-23 18:11:59

品牌	Logo	应用领域
CATALYST		/
页数	文件大小	规格书
17页	107K
描述
Power Supply Management Circuit, Fixed, 1 Channel, CMOS, 3 X 4.90 MM, 0.80 MM HEIGHT, EXPOSED PAD, MSOP FOOTPRINT, TDFN-8

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CAT1021RD2A-30TE13 技术参数

是否Rohs认证：	不符合	生命周期：	Transferred
零件包装代码：	DFN	包装说明：	HVSON,
针数：	8	Reach Compliance Code：	unknown
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.07	可调阈值：	NO
模拟集成电路 - 其他类型：	POWER SUPPLY MANAGEMENT CIRCUIT	JESD-30 代码：	R-XDSO-N8
JESD-609代码：	e0	长度：	4.9 mm
湿度敏感等级：	1	信道数量：	1
功能数量：	1	端子数量：	8
最高工作温度：	105 °C	最低工作温度：	-40 °C
封装主体材料：	UNSPECIFIED	封装代码：	HVSON
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	240	认证状态：	Not Qualified
座面最大高度：	0.8 mm	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	2.7 V	标称供电电压 (Vsup)：	3.3 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	TIN LEAD
端子形式：	NO LEAD	端子节距：	0.65 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	30
宽度：	3 mm	Base Number Matches：	1

CAT1021RD2A-30TE13 数据手册

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Preliminary Information

CAT1021, CAT1022, CAT1023

Supervisory Circuits with I²C Serial 2K CMOS EEPROM, Manual Reset

and Watchdog Timer

FEATURES

■ Precision power supply voltage monitor

— 5V, 3.3V and 3V systems

— Five threshold voltage options

■ Watchdog timer

■ Built-in inadvertent write protection

— WP pin (CAT1021)

■ 1,000,000 Program/Erase cycles

■ Manual reset input

■ Active high or low reset

— Valid reset guaranteed at V_CC=1V

■ 400kHz I²C bus

■ 100 year data retention

■ 8-pin DIP, SOIC, TSSOP, TDFN (MSOP

(3x4.9mm) & 3x3mm foot prints) or MSOP

packages

■ 2.7V to 5.5V operation

— TDFN max height is 0.8mm

■ Low power CMOS technology

■ 16-Byte page write buffer

■ Automotive, extended automotive and

industrial temperature ranges

DESCRIPTION

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

5V, 3.3V and 3V systems. If power supply voltages are out

of tolerance reset signals become active, preventing the

systemmicrocontroller, ASICorperipheralsfromoperating.

Reset signals become inactive typically 200 ms after the

supply voltage exceeds the reset threshold level. With both

activehighandlowresetsignals,interfacetomicrocontrollers

and other ICs is simple. In addition, the RESET pin or a

separate input, MR, can be used as an input for push-button

manual reset capability.

The CAT1021, CAT1022 and CAT1023 are complete

memory and supervisory solutions for microcontroller-

based systems. A 2kbit 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 400kHz I²C bus.

The CAT1021 and CAT1023 provide a precision V_CC

sense circuit and two open drain outputs: one (RESET)

drives high and the other (RESET) drives low whenever

V_CCfallsbelowtheresetthresholdvoltage.TheCAT1021

also has a Write Protect input (WP). Write operations

are disabled if WP is connected to a logic high.

Theon-chip, 2kEEPROMmemoryfeaturesa16-bytepage.

In addition, hardware data protection is provided by a V_CC

sense circuit that prevents writes to memory whenever V_CC

falls below the reset threshold or until V_CCreaches the reset

threshold during power up.

The CAT1022 has a RESET output and does not have

a Write Protect input.

Allsupervisorshavea1.6secondwatchdogtimercircuit

that resets a system to a known state if software or a

hardware glitch halts or “hangs” the system. For the

CAT1021 and CAT1022, the watchdog timer monitors

theSDAsignal.TheCAT1023hasaseparatewatchdog

timer interrupt input pin, WDI.

Availablepackagesincludean8-pinDIPand surfacemount

8-pin SO, 8-pin TSSOP, 8-pin TDFN and 8-pin MSOP

packages.TheTDFNpackagethicknessis0.8mmmaximum.

TDFN footprint options are 3x3mm or 3x4.9mm (MSOP pad

layout).

Doc No. 3009, Rev. E

Characteristics subject to change without notice

12 3 4 5 6 7...17

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与CAT1021RD2A-30TE13相关器件

型号	品牌	获取价格	描述	数据表
CAT1021RD2A-42	CATALYST	获取价格	Power Management Circuit
CAT1021RD2A-45	CATALYST	获取价格	Power Management Circuit
CAT1021RD2A-45TE13	ONSEMI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, DSO8, 3 X 4.90 MM, 0.80 MM HEIGHT, EXPOSED PAD, MSO
CAT1021RD2A-45TE13	CATALYST	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, 3 X 4.90 MM, 0.80 MM HEIGHT, EXPO
CAT1021RD2E-25TE13	ONSEMI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, DSO8, 3 X 4.90 MM, 0.80 MM HEIGHT, MO-229, TDFN-8
CAT1021RD2E-25TE13	CATALYST	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, 3 X 4.90 MM, 0.80 MM HEIGHT, MO-2
CAT1021RD2E-28	CATALYST	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, 3 X 4.90 MM, 0.80 MM HEIGHT, MO-2
CAT1021RD2E-28TE13	CATALYST	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, 3 X 4.90 MM, 0.80 MM HEIGHT, MO-2
CAT1021RD2E-30TE13	ONSEMI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, DSO8, 3 X 4.90 MM, 0.80 MM HEIGHT, MO-229, TDFN-8
CAT1021RD2E-42TE13	CATALYST	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, 3 X 4.90 MM, 0.80 MM HEIGHT, MO-2

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