Datasheet > TS3809_15

TS3809_15

更新时间： 2024-11-13 00:57:27

品牌	Logo	应用领域
TSC		/
页数	文件大小	规格书
8页	260K
描述
Microprocessor Reset Circuit

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数据手册

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TS3809_15 数据手册

TS3809/3810 Series

Taiwan Semiconductor

Microprocessor Reset Circuit

GENERAL DESCRIPTION

FEATURES

The TS3809/3810 series are used for microprocessor

(µP) supervisory circuits to monitor the power supplies

in µP and digital systems. They provide excellent circuit

reliability and low cost by eliminating external

components and adjustments when used with +5V,

+3.3V, +3.0V, +2.5V powered circuits.

●

High Accurate ±2%

●

Precision monitoring of +3V, +3.3V, and +5V

Power supply voltage

●

Fully specified over temperature

Available in three output configurations

Push-Pull RESET low output (TS3809)

Push-Pull (RESET) high output (TS3810)

200ms typ. Power-on reset pulse width

25µs supply current

These circuits perform a single function: they assert a

reset signal whenever the V_CCsupply voltage declines

below a preset threshold, keeping it asserted for at least

200ms after V_CChas risen above the reset threshold.

Reset thresholds suitable for operation with a variety of

supply voltages are available. TS3809/3810 series have

push pull outputs. TS3809 series has an active low

RESET output, while the TS3810 has an active high

RESET output The reset comparator is designed to

ignore fast transients on V_CC, and the outputs are

guaranteed to be in the correct logic state for V_CCdown

to 1.0V. Low supply current makes TS3809/3810 series

ideal for use in portable equipment.

Guaranteed reset valid to V_CC=+1V

Power supply transient immunity

APPLICATION

●

Battery-operated systems and controllers

Intelligent instruments

Critical µP and µC power monitoring

Portable / Battery powered equipment

Automotive

SOT-23

Pin Definition

TS3809

TS3810

1. GND

2. RESET

3. VCC

1. GND

2. (RESET)

3. VCC

TYPICAL APPLICATIN CIRCUIT

Document Number: DS_P0000206

Version: E15

12 3 4 5 6 7 8

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