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參數資料
| 型號： | ADM809-5SCHIPS |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 電源管理 |
| 英文描述： | SRAM Nonvolatile Controller IC for 4 SRAM Banks 16-PDIP 0 to 70 |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, UUC |
| 封裝： | DIE |
| 文件頁數： | 1/6頁 |
| 文件大小： | 96K |
| 代理商： | ADM809-5SCHIPS |
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
ADM809-5S/L
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 2000
Microprocessor
Supervisory Circuit
FUNCTIONAL BLOCK DIAGRAM
V
REF
V
CC
RESET
GENERATOR
55ms
ADM809-5S/L
RESET
GND
FEATURES
Specified Over Temperature
Low Power Consumption (17 A)
Precision Voltage Monitor: 3 V, 5 V Options
Reset Assertion Down to 1 V V
CC
30 ms min Power-On Reset
Logic Low
RESET
Output
APPLICATIONS
Microprocessor Systems
Computers
Controllers
Intelligent Instruments
Automotive Systems
GENERAL DESCRIPTION
The ADM809-5S/L supervisory circuits monitor the power
supply voltage in microprocessor systems. It provides a reset
output during power-up, power-down and brownout conditions.
On power-up, an internal timer holds reset asserted for 55 ms.
This holds the microprocessor in a reset state until conditions
have stabilized. The
RESET
output remains operational with
V
CC
as low as 1 V. The ADM809-5S/L provides an active low
reset signal (
RESET
).
The reset comparator features built-in glitch immunity,
making it immune to fast transients on V
CC
.
The ADM809-5S/L consumes only 17
μ
A, making it suitable
for low power portable equipment.
RESET
RESET
INPUT
GND
GND
V
CC
V
CC
P
SYSTEM
ADM809-5S/L
V
CC
Figure 1. Typical Operating Circuit
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| ADM809JAKS-REEL7 | 功能描述:IC SUPERVISOR P/P 4.0V SC70-3 RoHS:否 類別:集成電路 (IC) >> PMIC - 監控器 系列:- 標準包裝:400 系列:- 類型:備用電池電路 監視電壓數目:1 輸出:開路漏極，推挽式 復位:高有效/低有效 復位超時:最小為 35 ms 電壓 - 閥值:4.65V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應商設備封裝:16-SOIC W 包裝:帶卷 (TR) 其它名稱:ADM691ARZ-REEL7TR |
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