전원 관리 통제기 및 리셋 IC

TLC7705M

활성

프로그래머블 시간 지연 및 푸시-풀 출력을 지원하는 단일 전원 SVS(5v)

제품 상세 정보

Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 4.55 Features Complimentary output, Reset time delay, Separate VDD & sense, Undervoltage monitor only Reset threshold accuracy (%) 1.8 Iq (typ) (mA) 0.009 Output driver type/reset output Active-high, Active-low, Push-Pull Supply voltage (min) (V) 2 Supply voltage (max) (V) 6 Rating Military Watchdog timer WDI (s) None Operating temperature range (°C) -55 to 125
Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 4.55 Features Complimentary output, Reset time delay, Separate VDD & sense, Undervoltage monitor only Reset threshold accuracy (%) 1.8 Iq (typ) (mA) 0.009 Output driver type/reset output Active-high, Active-low, Push-Pull Supply voltage (min) (V) 2 Supply voltage (max) (V) 6 Rating Military Watchdog timer WDI (s) None Operating temperature range (°C) -55 to 125
CDIP (JG) 8 64.032 mm² 9.6 x 6.67 CFP (U) 10 139.36 mm² 21.44 x 6.5 LCCC (FK) 20 79.0321 mm² 8.89 x 8.89
  • Power-On Reset Generator
  • Automatic Reset Generation After Voltage Drop
  • Precision Voltage Sensor
  • Temperature-Compensated Voltage Reference
  • Programmable Delay Time by External Capacitor
  • Supply Voltage Range . . . 2 V to 6 V
  • Defined RESET Output from VDD ≥ 1 V
  • Power-Down Control Support for Static RAM With Battery Backup
  • Maximum Supply Current of 16 µA
  • Power Saving Totem-Pole Outputs
  • Temperature Range . . . Up to –55°C to 125°C
  • Power-On Reset Generator
  • Automatic Reset Generation After Voltage Drop
  • Precision Voltage Sensor
  • Temperature-Compensated Voltage Reference
  • Programmable Delay Time by External Capacitor
  • Supply Voltage Range . . . 2 V to 6 V
  • Defined RESET Output from VDD ≥ 1 V
  • Power-Down Control Support for Static RAM With Battery Backup
  • Maximum Supply Current of 16 µA
  • Power Saving Totem-Pole Outputs
  • Temperature Range . . . Up to –55°C to 125°C

The TLC77xx family of micropower supply voltage supervisors provide reset control, primarily in microcomputer and microprocessor systems.

During power-on, RESET is asserted when VDD reaches 1 V. After minimum VDD (≥ 2 V) is established, the circuit monitors SENSE voltage and keeps the reset outputs active as long as SENSE voltage (VI(SENSE)) remains below the threshold voltage. An internal timer delays return of the output to the inactive state to ensure proper system reset. The delay time, td, is determined by an external capacitor:

td = 2.1 × 104 × CT

Where

CT is in farads
td is in seconds

Except for the TLC7701, which can be customized with two external resistors, each supervisor has a fixed sense threshold voltage set by an internal voltage divider. When SENSE voltage drops below the threshold voltage, the outputs become active and stay in that state until SENSE voltage returns above threshold voltage and the delay time, td, has expired.

In addition to the power-on-reset and undervoltage-supervisor function, the TLC77xx adds power-down control support for static RAM. When CONTROL is tied to GND, RESET will act as active high. The voltage monitor contains additional logic intended for control of static memories with battery backup during power failure. By driving the chip select (CS) of the memory circuit with the RESET output of the TLC77xx and with the CONTROL driven by the memory bank select signal (CSH1) of the microprocessor, the memory circuit is automatically disabled during a power loss. (In this application the TLC77xx power has to be supplied by the battery.)

The TLC77xxI is characterized for operation over a temperature range of –40°C to 85°C; the TLC77xxQ is characterized for operation over a temperature range of –40°C to 125°C; and the TLC77xxM is characterized for operation over the full Military temperature range of –55°C to 125°C.

The 3×3 mm DRB package is also available as a non-magnetic package for medical imaging application.

The TLC77xx family of micropower supply voltage supervisors provide reset control, primarily in microcomputer and microprocessor systems.

During power-on, RESET is asserted when VDD reaches 1 V. After minimum VDD (≥ 2 V) is established, the circuit monitors SENSE voltage and keeps the reset outputs active as long as SENSE voltage (VI(SENSE)) remains below the threshold voltage. An internal timer delays return of the output to the inactive state to ensure proper system reset. The delay time, td, is determined by an external capacitor:

td = 2.1 × 104 × CT

Where

CT is in farads
td is in seconds

Except for the TLC7701, which can be customized with two external resistors, each supervisor has a fixed sense threshold voltage set by an internal voltage divider. When SENSE voltage drops below the threshold voltage, the outputs become active and stay in that state until SENSE voltage returns above threshold voltage and the delay time, td, has expired.

In addition to the power-on-reset and undervoltage-supervisor function, the TLC77xx adds power-down control support for static RAM. When CONTROL is tied to GND, RESET will act as active high. The voltage monitor contains additional logic intended for control of static memories with battery backup during power failure. By driving the chip select (CS) of the memory circuit with the RESET output of the TLC77xx and with the CONTROL driven by the memory bank select signal (CSH1) of the microprocessor, the memory circuit is automatically disabled during a power loss. (In this application the TLC77xx power has to be supplied by the battery.)

The TLC77xxI is characterized for operation over a temperature range of –40°C to 85°C; the TLC77xxQ is characterized for operation over a temperature range of –40°C to 125°C; and the TLC77xxM is characterized for operation over the full Military temperature range of –55°C to 125°C.

The 3×3 mm DRB package is also available as a non-magnetic package for medical imaging application.

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관심 가지실만한 유사 제품

open-in-new 대안 비교
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기술 자료

star =TI에서 선정한 이 제품의 인기 문서
검색된 결과가 없습니다. 검색어를 지우고 다시 시도하십시오.
6개 모두 보기
유형 직함 날짜
* Data sheet MicroPower Supply Voltage Supervisors. datasheet (Rev. M) 2012/03/19
* SMD TLC7705M SMD 5962-97513 2016/06/21
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 2019/06/28
Application note Reset Circuit for the TMS320C6000 DSP (Rev. A) 1999/06/10
More literature TLC7705M/5962-9751301QxA, TLC7733M/5962-9750901QxA 1997/04/01
Application note TLC770x Series of BiCMOS Supply Voltage Supervisors 1995/01/01

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CDIP (JG) 8 Ultra Librarian
CFP (U) 10 Ultra Librarian
LCCC (FK) 20 Ultra Librarian

주문 및 품질

포함된 정보:
  • RoHS
  • REACH
  • 디바이스 마킹
  • 납 마감/볼 재질
  • MSL 등급/피크 리플로우
  • MTBF/FIT 예측
  • 물질 성분
  • 인증 요약
  • 지속적인 신뢰성 모니터링
포함된 정보:
  • 팹 위치
  • 조립 위치

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