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CAT1321UI-25 PDF预览

CAT1321UI-25

更新时间： 2024-11-05 13:06:35
品牌 Logo 应用领域
CATALYST 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
18页 482K
描述
Power Supply Support Circuit, Fixed, 1 Channel, CMOS, PDSO8, MO-153-AA, TSSOP-8

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CAT1321UI-25 技术参数

是否Rohs认证：不符合生命周期：Transferred
零件包装代码：TSSOP包装说明：TSSOP,
针数：8Reach Compliance Code：unknown
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.13Is Samacsys：N
可调阈值：NO模拟集成电路 - 其他类型：POWER SUPPLY SUPPORT CIRCUIT
JESD-30 代码：R-PDSO-G8JESD-609代码：e0
长度：4.4 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：85 °C
最低工作温度：-40 °C封装主体材料：PLASTIC/EPOXY
封装代码：TSSOP封装形状：RECTANGULAR
封装形式：SMALL OUTLINE, THIN PROFILE, SHRINK PITCH峰值回流温度（摄氏度）：240
认证状态：Not Qualified座面最大高度：1.2 mm
最大供电电压 (Vsup)：5.5 V最小供电电压 (Vsup)：3 V
标称供电电压 (Vsup)：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：GULL WING
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

CAT1321UI-25 数据手册

 浏览型号CAT1321UI-25的Datasheet PDF文件第2页浏览型号CAT1321UI-25的Datasheet PDF文件第3页浏览型号CAT1321UI-25的Datasheet PDF文件第4页浏览型号CAT1321UI-25的Datasheet PDF文件第5页浏览型号CAT1321UI-25的Datasheet PDF文件第6页浏览型号CAT1321UI-25的Datasheet PDF文件第7页 
E
CAT1320, CAT1321  
Supervisory Circuits with I2C Serial 32K CMOS EEPROM  
E TM  
R
FEATURES  
I 3.0V to 5.5V operation  
I Precision power supply voltage monitor  
I Low power CMOS technology  
I 64-Byte page write buffer  
I 1,000,000 Program/Erase cycles  
I 100 year data retention  
— 5V, 3.3V and 3V systems  
- +5.0V (+/- 5%, +/- 10%)  
- +3.3V (+/- 5%, +/- 10%)  
- +3.0V (+/- 10%)  
I Active low reset, CAT1320  
I Active high reset, CAT1321  
I Valid reset guaranteed at VCC=1V  
I 400kHz I2C bus  
I 8-pin DIP, SOIC, TSSOP and TDFN packages  
I Industrial temperature range  
DESCRIPTION  
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 (CAT1320) pin can be used as an  
input for push-button manual reset capability.  
The CAT1320 and CAT1321 are complete memory and  
supervisorysolutionsformicrocontroller-basedsystems.  
A 32kbit 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 CAT1320 provides a precision VCC sense circuit  
and drives an open drain output, RESET low whenever  
VCC falls below the reset threshold voltage.  
The CAT1320/21 memory features a 64-byte page. In  
addition, hardware data protection is provided by a VCC  
sense circuit that prevents writes to memory whenever VCC  
falls below the reset threshold or until VCC reaches the reset  
threshold during power up.  
The CAT1321 provides a precision VCC sense circuit  
thatdrivesanopendrainoutput, RESEThighwhenever  
VCC falls below the reset threshold voltage.  
Available packages include an 8-pin DIP, SOIC, TSSOP  
and 4.9 x 3mm 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 5V, 3.3V and 3V systems. If power  
supplyvoltagesareoutoftoleranceresetsignalsbecome  
PIN CONFIGURATION  
TDFN PACKAGE: 4.9MM X 3MM  
(RD2, ZD2)  
PDIP (P, L) SOIC (J, W)  
TSSOP (U, Y)  
1
2
3
4
8
7
6
5
A0  
A1  
A2  
V
CC  
8
7
6
5
8
7
6
5
1
2
3
4
1
2
3
4
A0  
A1  
A2  
V
CC  
RESET  
A0  
A1  
A2  
V
CC  
RESET  
RESET  
SCL  
CAT1320  
CAT1320  
CAT1321  
CAT1320  
SCL  
SCL  
V
V
SDA  
SS  
SDA  
V
SDA  
SS  
SS  
1
2
3
4
A0  
8
7
6
5
V
8
1
2
3
4
8
7
6
5
1
A0  
V
CC  
A0  
V
CC  
CC  
A1  
A2  
RESET  
SCL  
RESET  
A1  
A2  
A1  
A2  
7
6
5
2
3
4
RESET  
CAT1321  
CAT1321  
SCL  
SDA  
SCL  
SDA  
V
V
V
SDA  
SS  
SS  
SS  
© 2005 by Catalyst Semiconductor, Inc.  
Characteristics subject to change without notice  
Doc. No. 20585, Rev. 00  
1
1234567...18

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