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參數資料
| 型號： | CAT1320ZD2I-30 |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, DSO8 |
| 封裝： | 4.9 X 3 MM, LEAD AND HALOGEN FREE, MO-220, TDFN-8 |
| 文件頁數： | 1/18頁 |
| 文件大小： | 147K |
| 代理商： | CAT1320ZD2I-30 |
1
CAT1320, CAT1321
Supervisory Circuits with I2C Serial 32K CMOS EEPROM
Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc. No. 20585, Rev. 00
HA
LOGEN FREE
TM
LEAD FREE
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 (P, L) SOIC (J, W)
TDFN PACKAGE: 4.9MM X 3MM
(RD2, ZD2)
TSSOP (U, 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
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相關代理商/技術參數 |
參數描述 |
|---|---|
| CAT1320ZD2I-30-T2 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 32K EEPROM - Tape and Reel |
| CAT1320ZD2I-42-T2 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 32K EEPROM - Tape and Reel |
| CAT1320ZD2I-45-T2 | 制造商:ON Semiconductor 功能描述:CPU SUPERVISOR WITH 32K EEPROM - Tape and Reel |
| CAT1321WI-28 | 功能描述:監控電路 2.8V w/32K EEPROM RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| CAT1321WI-42 | 功能描述:監控電路 4.2V w/32K EEPROM RoHS:否 制造商:STMicroelectronics 監測電壓數: 監測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復位:Resettable 監視器:No Watchdog 電池備用開關:No Backup 上電復位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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