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參數(shù)資料
| 型號： | ADM8697 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Microprocessor Supervisory Circuits(微處理器監(jiān)控電路) |
| 中文描述： | 微處理器監(jiān)控電路（微處理器監(jiān)控電路） |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 172K |
| 代理商： | ADM8697 |
FUNCT IONAL BLOCK DIAGRAMS
1.3V
V
OUT
V
BATT
V
CC
WATCHDOG
INPUT (WDI)
POWER FAIL
INPUT (PFI)
POWER FAIL
OUTPUT (PFO)
RESET
WATCHDOG
TIMER
BATT ON
OSC IN
OSC SEL
WATCHDOG
OUTPUT (WDO)
RESET
LOW LINE
LL
IN
RESET GENERATOR
WATCHDOG
TRANSITION DETECTOR
TIMEBASE FOR RESET
AND WATCHDOG
ADM8696
1.3V
WATCHDOG
INPUT (WDI)
POWER FAIL
INPUT (PFI)
POWER FAIL
OUTPUT (PFO)
RESET
WATCHDOG
TIMER
OSC IN
OSC SEL
RESET
LOW LINE
WATCHDOG
OUTPUT (WDO)
LL
IN
RESET GENERATOR
TIMEBASE FOR RESET
AND WATCHDOG
WATCHDOG
TRANSITION DETECTOR
ADM8697
CE
IN
CE
OUT
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
Mcroprocessor
Supervisory Circuits
ADM8696/ADM8697
FEATURES
Upgrade for ADM696/ADM697, MAX696/MAX697
Specified Over Temperature
Adjustable Low Line Voltage Monitor
Power OK/Reset Time Delay
Reset Assertion Down to 1 V V
CC
Watchdog Timer—100 ms, 1.6 s, or Adjustable
Low Switch On Resistance
0.7
V
Normal, 7
V
in Backup
400 nA Standby Current
Automatic Battery Backup Switching (ADM8696)
Fast On-Board Gating of Chip Enable Signals (ADM8697)
Voltage Monitor for Power Fail or Low Battery Warning
Also Available in TSSOP Package
APPLICATIONS
Microprocessor Systems
Computers
Controllers
Intelligent Instruments
Automotive Systems
Critical
m
P Power Monitoring
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 617/329-4700
World Wide Web Site: http://www.analog.com
Fax: 617/326-8703
Analog Devices, Inc., 1997
T he ADM8696/ADM8697 is fabricated using an advanced
epitaxial CMOS process combining low power consumption
(0.7 mW), extremely fast Chip Enable gating (2 ns) and high re-
liability.
RESET
assertion is guaranteed with V
CC
as low as 1 V.
In addition, the power switching circuitry is designed for mini-
mal voltage drop thereby permitting increased output current drive
of up to 100 mA without the need for an external pass transistor.
GE NE RAL DE SCRIPT ION
T he ADM8696/ADM8697 supervisory circuits offer complete
single chip solutions for power supply
monitoring and battery
control functions in microprocessor systems. T hese functions
include
μ
P reset, backup battery switchover, watchdog timer,
CMOS RAM write protection and power failure warning.
T he ADM8696/ADM8697 are available in 16-pin DIP and small
outline packages (including T SSOP) and provide the following
functions:
1. Power-On Reset output during power-up, power-down and
brownout conditions. T he RESET voltage threshold is
adjustable using an external voltage divider. T he
RESET
out-
put remains operational with V
CC
as low as 1 V.
2. A Reset pulse if the optional watchdog timer has not been
toggled within specified time.
3. Separate watchdog timeout and low line status outputs.
4. Adjustable reset and watchdog timeout periods.
5. A 1.3 V threshold detector for power fail warning, low battery
detection or to monitor a power supply other than V
CC
.
6. Battery backup switching for CMOS RAM, CMOS micro-
processor or other low power logic (ADM8696).
7. Write protection of CMOS RAM or EEPROM (ADM8697).
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADM8697AN | 功能描述:IC SUPERVSR MPU ADJ/RESET 16DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:高有效 復(fù)位超時(shí):- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應(yīng)商設(shè)備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱:NCP301HSN18T1GOSCT |
| ADM8697ANZ | 功能描述:IC SUPERVSR MPU ADJ/RESET 16DIP RoHS:是 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:高有效 復(fù)位超時(shí):- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應(yīng)商設(shè)備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱:NCP301HSN18T1GOSCT |
| ADM8697ARU | 制造商:AD 制造商全稱:Analog Devices 功能描述:Microprocessor Supervisory Circuits |
| ADM8697ARU-REEL | 功能描述:Supervisor Push-Pull, Push-Pull 1 Channel 16-TSSOP 制造商:analog devices inc. 系列:- 包裝:帶卷（TR） 零件狀態(tài):上次購買時(shí)間 類型:備用電池電路 受監(jiān)控電壓數(shù):1 輸出:推挽式，推挽式 復(fù)位:高有效/低有效 復(fù)位超時(shí):最小為 35 ms 電壓 - 閾值:1.3V 工作溫度:-40°C ~ 85°C（TA） 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商器件封裝:16-TSSOP 標(biāo)準(zhǔn)包裝:1 |
| ADM8697ARW | 功能描述:IC SUPERVSR MPU ADJ/RESET 16SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 監(jiān)控器 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 類型:簡單復(fù)位/加電復(fù)位 監(jiān)視電壓數(shù)目:1 輸出:開路漏極或開路集電極 復(fù)位:高有效 復(fù)位超時(shí):- 電壓 - 閥值:1.8V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:6-TSOP（0.059"，1.50mm 寬）5 引線 供應(yīng)商設(shè)備封裝:5-TSOP 包裝:剪切帶 (CT) 其它名稱:NCP301HSN18T1GOSCT |
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