ZXCM209XF

更新时间： 2024-09-25 22:06:59

品牌	Logo	应用领域
捷特科 - ZETEX		微处理器
页数	文件大小	规格书
8页	331K
描述
VERY LOW POWER MICROPROCESSOR RESET DEVICES

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中文翻译

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数据手册

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ZXCM209XF 数据手册

ZXCM209

ZXCM210

VERY LOW POWER MICROPROCESSOR RESET DEVICES

DESCRIPTION

APPLICATIONS

The ZXCM209/210 are three terminal supervisory

circuits used to monitor the power supplies in

microprocessor and digital systems. They provide a

high performance economical solution when used

with 5V, 3V or lower powered circuits. Reset

thresholds suitable for operation with a variety of

supply voltages are available.

•

Computer systems

Controllers

Instrumentation

Microprocessor power monitoring

Microcontroller power monitoring

Power supplies

These devices provide a reset signal whenever the

supply voltage falls below a preset threshold, keeping

it asserted for a minimum delay period of 140ms after

the supply has risen above the reset level. The

ZXCM209 has an active-low RESET output (which is

guaranteed to be in the correct state for supplies down

to 1V), while the ZXCM210 has an active-high RESET

output.

Portable/Battery-powered equipment

Automotive

APPLICATION CIRCUIT

v_cc

The reset comparator has in built hysteresis to prevent

erratic operation and is designed to ignore supply

transients. Low supply current (typically 2µA) makes

the ZXCM209/210 devices ideal for use in portable

equipment. They are available in a 3-pin SOT23

surface mount package with an industry standard

pinout.

v_cc

ZXCM

Micro

Reset

Output

Reset

Input

FEATURES

•

Enhanced alternative to MAX809/810 and similar

parts

Gnd

•

Precision monitoring of 5V, 3.3V, 3V power

supply voltages

•

1% threshold tolerance

2µA typical supply current

140ms minimum power on reset pulse width

Alternative minimum pulse widths available,

contact your local sales office for availability

•

RESET LOW Output (ZXCM209)

RESET HIGH Output (ZXCM210)

Power supply transient immunity

No latch up

No external components

•

3-Pin SOT23 package

ISSUE 3 - FEBRUARY 2001

12 3 4 5 6 7 8

中文翻译

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