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參數(shù)資料
| 型號(hào)： | IN1705D |
| 廠(chǎng)商： | INTEGRAL JOINT STOCK COMPANY |
| 英文描述： | POWER SUPPLY CHECK MICROCIRCUIT WITH HOST PRIMARY SUPPLY MONITORING CIRCUIT |
| 中文描述： | 微電路電源與主機(jī)檢查主電源監(jiān)控電路 |
| 文件頁(yè)數(shù)： | 1/6頁(yè) |
| 文件大?。?/td> | 155K |
| 代理商： | IN1705D |
IN1705D
1
P
OWER SUPPLY CHECK MICROCIRCUIT WITH HOST PRIMARY SUPPLY
MONITORING CIRCUIT
IN1705D microcircuit is purposed to check power supply and to start up microcontroller
and microprocessor systems. It is applied to ensure regular standard operation of the circuit
when the device is switched on\off and also when there is alarm emergency dropping of
supply voltage.
Physically the microcircuit is made in 8-pin SO-package MS012AA.
LSIIC Characteritics:
Standard supply voltage
5,0
В
Operation temperature range
Т
A
= from -40
°
to +85
°
С
RESET signal generation when power supply is provided for regular start-up of
microprocessor
RESET signal generation when power supply is dropped below operation one to exclude
incorrect operation of microprocessor.
RESET signal generation when reset key is pressed
Option of threshold voltage programming when RESET signal is generated
Microcircuit includes:
reference voltage source
two analog comparators
guard timer
digitizer, (digital sampler)
digital delay
Functions performed
RESET signal generation by fixed supply voltage level
RESET signal generation from external RESET key
Generation of guard timer state signal
Alarm interrupt of host power supply
Architecture diagramme
Reference
voltage
source
____
RST
IN
Ucc
______
PBRST
+
-
-
+
Digitizer
Digitizer
Digital
delay
Guard timer
____
WDS
____
NMI
Schmitt trigger
__
ST
Microcircuit pins’ purpose
Pins’ designation in package
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