Datasheet > SMR100

SMR100

更新时间： 2024-10-28 03:31:35

品牌	Logo	应用领域
SUMMIT		控制器
页数	文件大小	规格书
9页	601K
描述
Programmable Long-Delay Push-Button Reset Controller for Consumer Equipment

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SMR100 数据手册

SMR100

T H I S P R O D U C T H A S R E A C H E D E N D O F L I F E

Programmable Long-Delay Push-Button Reset Controller for Consumer Equipment

FEATURES & APPLICATIONS

INTRODUCTION

The SMR100 programmable reset controller is

designed for consumer applications specified by

Satellite-TV set-top box standards. The SMR100

provides a satellite box controller solution during initial

setup, changing programming cards and/or system

reset needs without removing power. The part can

accommodate a long-delay hold down of an external

reset push-button using an internal programmable de-

bounced timer. The part is factory programmed,

however, multiplexed programming pins are also

provided for in-system programming for prototype

purposes.

• De-Bounced Reset Input with up to 40 Second

Programmable Delay Time

• External Push-Button Control Provides a

Reliable End-User System Reset Function

• Reset Signal at 3.0V with a Programmable

Timeout Period

• Brownout Warning Signal whenever the supply

dips below 3.1V

• Programmable Glitch Filtering of Brownout

Warning (BAD_PWR#) and Reset Function

• 8 Pin SOIC Package

• 6 ball Ultra CSP^TM(Chip-Scale) Package

The required hold down time is programmable from

0.325 to 40 Sec with an internal on-chip oscillator.

Accurate warning of a 3.1V brownout condition

Applications

• Satellite and Cable-TV Set-top box

• Handheld PCs, Cameras, Camcorders, PDAs

• Security/Medical Alert Systems

(BAD_PWR#),

and

programmable

reset

(RESET_OUT#) timeout period when the VDD supply

pin reaches 3.0V are also provided. During a reset

(RESET_OUT#), the part enables the “BAD_PWR#” or

brownout warning output until the reset has cleared. A

programmable glitch filter avoids nuisance tripping of

the internal comparators.

SIMPLIFIED APPLICATIONS DRAWING

3.3V

0.1µf

3.3V

Manual

Reset

TRIM_C

Switch

FILT_CAP

RESET_IN#

BAD_PWR#

SMR100

RESET_OUT#

ASIC

µP

Figure 1 – Applications Schematic using the SMR100 to supervise the supply to digital components. As

shown, the SMR100 is designed to use a minimum of external components.

The Summit Web Site can be accessed by “right” or “left” mouse clicking on the link: http://www.summitmicro.com/

2076 1.6 06/30/04

12 3 4 5 6 7...9

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与SMR100相关器件

型号	品牌	获取价格	描述	数据表
SMR100E	SUMMIT	获取价格	Programmable Long-Delay Push-Button Reset Controller for Consumer Equipment
SMR100N4-26B1-M46	MOLEX	获取价格	Board Connector, 100 Contact(s), 1 Row(s), Male, 0.05 inch Pitch, Solder Lug Terminal, Hol
SMR100N4-26B2-M46	MOLEX	获取价格	Board Connector, 100 Contact(s), 1 Row(s), Male, 0.05 inch Pitch, Solder Lug Terminal, Hol
SMR100N4-26B4-M46	MOLEX	获取价格	Board Connector, 100 Contact(s), 1 Row(s), Male, 0.05 inch Pitch, Solder Lug Terminal, Hol
SMR100N4-26B5-M46	MOLEX	获取价格	Board Connector, 100 Contact(s), 1 Row(s), Male, 0.05 inch Pitch, Solder Lug Terminal, Hol
SMR100P4-26B1-M46	MOLEX	获取价格	Board Connector, 100 Contact(s), 1 Row(s), Male, 0.05 inch Pitch, Crimp Terminal, Hole .06
SMR100P4-26B2-M46	MOLEX	获取价格	Board Connector, 100 Contact(s), 1 Row(s), Male, 0.05 inch Pitch, Crimp Terminal, Hole .06
SMR100P4-26B3-M46	MOLEX	获取价格	Board Connector, 100 Contact(s), 1 Row(s), Male, 0.05 inch Pitch, Crimp Terminal, Hole .06
SMR100P4-26B5-M46	MOLEX	获取价格	Board Connector, 100 Contact(s), 1 Row(s), Male, 0.05 inch Pitch, Crimp Terminal, Hole .06
SMR100S	SUMMIT	获取价格	Programmable Long-Delay Push-Button Reset Controller for Consumer Equipment

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