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부품번호 | ZSM300N8 기능 |
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기능 | SUPPLY VOLTAGE MONITOR | ||
제조업체 | Zetex Semiconductors | ||
로고 | |||
전체 5 페이지수
SUPPLY VOLTAGE
MONITOR
ISSUE 1 – NOVEMBER 1995
DEVICE DESCRIPTION
The ZSM300 is a three terminal under
voltage monitor circuit for use in
microprocessor systems. The threshold
voltage of the device has been set to 2.63
volts making it ideal for 3 volt circuits.
Included in the device is a precise voltage
reference and a comparator with built in
hysteresis to prevent erratic operation. The
ZSM300 features an open collector output
capable of sinking at least l0mA which only
requires a single external resistor to
interface to following circuits.
Operation of the device is guaranteed from
one volt upwards, from this level to the
device threshold voltage the output is held
low providing a power on reset function.
Should the supply voltage, once established,
at any time drop below the threshold level
then the output again will pull low.
The device is available in a TO92 package for
through hole applications as well as SO8 and
SOT223 for surface mount requirements.
SCHEMATIC DIAGRAM
ZSM300
FEATURES
• SO8, SOT223 and TO92 packages
• Power on reset generator
• Automatic reset generation
• Low standby current
• Guaranteed operation from 1 volt
• Wide supply voltage range
• Internal clamp diode to discharge
delay capacitor
• 2.63 volt threshold for 3 volt logic
• 20mV hysteresis prevents erratic operation
APPLICATIONS
• Microprocessor systems
• Computers
• Computer peripherals
• Instrumentation
• Automotive
• Battery powered equipment
4-339
ZSM300
TIMING DIAGRAM
Vcc
Threshold
Voltage
1V
Output
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Output
Undefined
APPLICATION CIRCUIT
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Output
Undefined
Note 4: A time delayed reset can be accomplished with the additional Cd.
TDY
=
RCd
ln
1
−
1
VTH
(mpu)
Vin
TDY =Time (Seconds)
VTH =Microprocessor Reset Threshold
Vin =Power Supply Voltage
4-342
4페이지 | |||
구 성 | 총 5 페이지수 | ||
다운로드 | [ ZSM300N8.PDF 데이터시트 ] |
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구매 문의 | 일반 IC 문의 : 샘플 및 소량 구매 ----------------------------------------------------------------------- IGBT, TR 모듈, SCR 및 다이오드 모듈을 포함한 광범위한 전력 반도체를 판매합니다. 전력 반도체 전문업체 상호 : 아이지 인터내셔날 사이트 방문 : [ 홈페이지 ] [ 블로그 1 ] [ 블로그 2 ] |
부품번호 | 상세설명 및 기능 | 제조사 |
ZSM300N8 | SUPPLY VOLTAGE MONITOR | Zetex Semiconductors |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |