參數(shù)資料
型號(hào)： CAT1321ZD2I-45-T3
廠商： ON SEMICONDUCTOR
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8
封裝： 4.90 X 3 MM, HALOGEN FREE AND ROHS COMPLIANT, MS-229, TDFN-8
文件頁數(shù)： 1/18頁
文件大小： 135K
代理商： CAT1321ZD2I-45-T3
1
2008 SCILLC. All rights reserved.
Characteristics subject to change without notice.
Doc. No. MD-3014, Rev. C
HA
LOGEN FREE
TM
LEAD FREE
CAT1320, CAT1321
FEATURES
s Precision power supply voltage monitor
— 5V, 3.3V and 3V systems
- +5.0V (+/- 5%, +/- 10%)
- +3.3V (+/- 5%, +/- 10%)
- +3.0V (+/- 10%)
s Active low reset, CAT1320
s Active high reset, CAT1321
s Valid reset guaranteed at V
CC=1V
s 400kHz I2C bus
s 3.0V to 5.5V operation
s Low power CMOS technology
s 64-Byte page write buffer
s 1,000,000 Program/Erase cycles
s 100 year data retention
s 8-pin DIP, SOIC, TSSOP and TDFN packages
s Industrial temperature range
PIN CONFIGURATION
DESCRIPTION
The CAT1320 and CAT1321 are complete memory and
supervisory solutions for microcontroller-based systems.
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 CAT1321 provides a precision VCC sense circuit
that drives an open drain output, RESET high whenever
VCC 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 5V, 3.3V and 3V 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 (CAT1320) pin can be used as an
input for push-button manual reset capability.
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.
Available packages include an 8-pin DIP, SOIC, TSSOP
and 4.9 x 3mm TDFN.
PDIP (L) SOIC (W)
TDFN PACKAGE: 4.9MM X 3MM
(ZD2)
TSSOP (Y)
A0
VCC
RESET
SCL
SDA
A1
A2
VSS
CAT1320
1
2
3
4
8
7
6
5
VCC
RESET
SCL
SDA
CAT1321
1
2
3
4
8
7
6
5
A0
A1
A2
VSS
A0
VCC
RESET
SCL
SDA
A1
A2
VSS
CAT1320
1
2
3
4
8
7
6
5
CAT1321
1
2
3
4
8
7
6
5
VCC
RESET
SCL
SDA
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
VCC
RESET
SCL
SDA
CAT1320
A0
A1
A2
VSS
VCC
RESET
SCL
SDA
CAT1321
A0
A1
A2
VSS
1
2
3
4
8
7
6
5
Supervisory Circuits with I2C Serial
32K CMOS EEPROM
相關(guān)PDF資料
PDF描述
CAT1023RD4I-42TE13 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, DSO8
CEM2903Y 1-OUTPUT 40 W DC-DC REG PWR SUPPLY MODULE
CM1001-9ERV0AHF 1-OUTPUT 50 W DC-DC REG PWR SUPPLY MODULE
CM1001-9ERV2H 1-OUTPUT 50 W DC-DC REG PWR SUPPLY MODULE
CM1001-9PD1 1-OUTPUT 50 W DC-DC REG PWR SUPPLY MODULE
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
CAT140021LWI-G 功能描述:監(jiān)控電路 w/2k I2C RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
CAT140021LWI-GT3 功能描述:監(jiān)控電路 w/2k I2C RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
CAT140021SWGI 制造商:Catalyst Semiconductor 功能描述:
CAT140021SWI-G 功能描述:監(jiān)控電路 w/2k I2C RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
CAT140021SWI-GT3 功能描述:監(jiān)控電路 w/2k I2C RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。

采購需求

(若只采購一條型號(hào)，填寫一行即可)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

發(fā)布成功！您可以繼續(xù)發(fā)布采購。也可以進(jìn)入我的后臺(tái)，查看報(bào)價(jià)

*型號(hào) *數(shù)量 廠商 批號(hào) 封裝
添加更多采購

我的聯(lián)系方式

*
*
*