Datasheet > CAT1022ZD4I-45-T2

CAT1022ZD4I-45-T2

更新时间： 2024-11-14 18:30:51

品牌	Logo	应用领域
安森美 - ONSEMI		输入元件
页数	文件大小	规格书
21页	202K
描述
1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8, 3 X 3 MM, 0.80 MM HEIGHT, ROHS COMPLIANT, MO-229, TDFN-8

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CAT1022ZD4I-45-T2 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	SON
包装说明：	HVSON,	针数：	8
Reach Compliance Code：	compliant	ECCN代码：	EAR99
HTS代码：	8542.39.00.01	风险等级：	5.62
Is Samacsys：	N	其他特性：	RESET THRESHOLD VOLTAGE IS 4.625V;MANUAL RESET INPUT
可调阈值：	NO	模拟集成电路 - 其他类型：	POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：	S-XDSO-N8	JESD-609代码：	e3
长度：	3 mm	信道数量：	1
功能数量：	1	端子数量：	8
最高工作温度：	85 °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：	SQUARE	封装形式：	SMALL OUTLINE, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：	260	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)：	5 V
表面贴装：	YES	技术：	CMOS
温度等级：	INDUSTRIAL	端子面层：	MATTE TIN
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：	40
宽度：	3 mm	Base Number Matches：	1

CAT1022ZD4I-45-T2 数据手册

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CAT1021, CAT1022, CAT1023

Supervisory Circuits with I²C Serial 2k-bit CMOS

EEPROM, Manual Reset and Watchdog Timer

FEATURES

DESCRIPTION

ꢀ Precision Power Supply Voltage Monitor

— 5 V, 3.3 V and 3 V systems

— Five threshold voltage options

ꢀ Watchdog Timer

The CAT1021, CAT1022 and CAT1023 are complete

memory and supervisory solutions for microcontroller-

based systems. A 2k-bit 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 I²C bus.

ꢀ Active High or Low Reset

— Valid reset guaranteed at V_CC= 1 V

ꢀ 400 kHz 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

ꢀ 2.7 V to 5.5 V Operation

V_CCfalls below the reset threshold voltage. The

ꢀ Low power CMOS technology

ꢀ 16-Byte Page Write Buffer

ꢀ Built-in inadvertent write protection

— WP pin (CAT1021)

¯¯¯¯¯¯

CAT1022 has only a RESET output and does not have

a Write Protect input. The CAT1021 also has a Write

Protect input (WP). Write operations are disabled if WP

is connected to a logic high.

All supervisors have a 1.6 second watchdog timer circuit

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

the SDA signal. The CAT1023 has a separate watchdog

timer interrupt input pin, WDI.

ꢀ 1,000,000 Program/Erase cycles

ꢀ Manual Reset Input

ꢀ 100 year data retention

ꢀ Industrial and extended temperature ranges

ꢀ 8-pin DIP, SOIC, TSSOP, MSOP or TDFN

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 signals, interface to microcontrollers and

(3 x 3 mm foot-print) packages

— TDFN max height is 0.8 mm

¯¯¯¯¯¯

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.

For Ordering Information details, see page 19.

The on-chip, 2k-bit EEPROM memory features a 16-byte

page. In addition, hardware data protection is provided

by a V_CCsense circuit that prevents writes to memory

whenever V_CCfalls below the reset threshold or until V_CC

reaches the reset threshold during power up.

Available packages include an 8-pin DIP and surface

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

MSOP packages. The TDFN package thickness is

0.8mm maximum. TDFN footprint options are 3 x 3mm.

Characteristics subject to change without notice

Doc. No. MD-3009 Rev. P

12 3 4 5 6 7...21

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与CAT1022ZD4I-45-T2相关器件

型号	品牌	获取价格	描述	数据表
CAT1022ZD4I-45T3	CATALYST	获取价格	Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer
CAT1022ZD4I-45T3	ONSEMI	获取价格	CPU Supervisor with 2 k EEPROM Memory, TDFN8, 3x3, 3000-REEL
CAT1022ZD4I-45-T3	CATALYST	获取价格	Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer
CAT1022ZD4I-45-T3	ONSEMI	获取价格	IC 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8, 3 X 3 MM, 0.80 MM HEIGHT, HALOGEN FREE AND RO
CAT1022ZD4I-45TE13	ONSEMI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, DSO8, LEAD AND HALOGEN FREE, 3 X 3 MM, 0.80 MM HEIG
CAT1022ZD4I-45TE13	CATALYST	获取价格	Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer
CAT1022ZE-25	CATALYST	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8, LEAD AND HALOGEN FREE, MSOP-8
CAT1022ZE-25TE13	CATALYST	获取价格	Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer
CAT1022ZE-28	CATALYST	获取价格	Power Supply Management Circuit, Fixed, 1 Channel, CMOS, PDSO8, LEAD AND HALOGEN FREE, MSO
CAT1022ZE-28	ONSEMI	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO8, LEAD AND HALOGEN FREE, MSOP-8

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