MAX6818

更新时间： 2024-11-22 22:55:15

品牌	Logo	应用领域
美信 - MAXIM		开关
页数	文件大小	规格书
12页	190K
描述
【15kV ESD-Protected, Single/Dual/Octal, CMOS Switch Debouncers

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MAX6818 数据手册

19-4770; Rev 1; 1/99

±1 5 k V ES D-P ro t e c t e d , S in g le /Du a l/Oc t a l,

CMOS S w it c h De b o u n c e rs

7/MAX618

Ge n e ra l De s c rip t io n

Fe a t u re s

The MAX6816/MAX6817/MAX6818 are single, dual, and

octal switch debouncers that provide clean interfacing

of mechanical switches to digital systems. They accept

one or more bouncing inputs from a mechanical switch

and produce a clean digital output after a short, preset

qualification delay. Both the switch opening bounce

and the switch closing bounce are removed. Robust

switch inputs handle ±25V levels and are ±15kV ESD-

protected for use in harsh industrial environments. They

feature single-supply operation from +2.7V to +5.5V.

Undervoltage lockout circuitry ensures the output is in

the correct state upon power-up.

♦ Robust Inputs can Exceed Power Supplies

up to ±25V

♦ ESD Protection for Input Pins

±15kV—Human Body Model

±8kV—IEC 1000-4-2, Contact Discharge

±15kV—IEC 1000-4-2, Air-Gap Discharge

♦ Small SOT Packages (4 and 6 pins)

♦ Single-Supply Operation from +2.7V to +5.5V

♦ Single (MAX6816), Dual (MAX6817), and Octal

(MAX6818) Versions Available

The single MAX6816 and dual MAX6817 are offered in

SOT packages and require no external components.

Their low supply current makes them ideal for use in

portable equipment.

♦ No External Components Required

♦ 6µA Supply Current

♦ Three-State Outputs for Directly Interfacing

The MAX6818 octal switch debouncer is designed for

data-bus interfacing. The MAX6818 monitors switches

and provides a switch change-of-state output (CH),

simplifying microprocessor (µP) polling and interrupts.

Additionally, the MAX6818 has three-state outputs con-

trolled by an enable (EN) pin, and is pin-compatible

with the ‘LS573 octal latch (except for the CH pin),

allowing easy interfacing to a digital data bus.

Switches to µP Data Bus (MAX6818)

♦ Switch Change-of-State Output Simplifies

Polling and Interrupts (MAX6818)

♦ Pin-Compatible with ’LS573 (MAX6818)

Ord e rin g In fo rm a t io n

PIN-

SOT

Ap p lic a t io n s

PART

TEMP. RANGE

PACKAGE TOP MARK

µP Switch Interfacing

Industrial Instruments

PC-Based Instruments

Portable Instruments

Automotive Applications

Membrane Keypads

MAX6816EUS-T -40°C to +85°C 4 SOT143

MAX6817EUT-T -40°C to +85°C 6 SOT23-6

KABA

AAAU

—

MAX6818EAP

-40°C to +85°C 20 SSOP

Note: There is a minimum order increment of 2500 pieces for

SOT packages.

P in Co n fig u ra t io n s

Typ ic a l Op e ra t in g Circ u it

TOP VIEW

GND

MAX6816

µP

MECHANICAL

SWITCH

0.1µF

OUT

RESET

DEBOUNCED

OUTPUT

GND

SOT143

Pin Configurations continued at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

12 3 4 5 6 7...12

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与MAX6818相关器件

型号	品牌	获取价格	描述	数据表
MAX6818EAP	MAXIM	获取价格	【15kV ESD-Protected, Single/Dual/Octal, CMOS
MAX6818EAP/GG8	MAXIM	获取价格	Logic Circuit, BICMOS, PDSO20, SSOP-20
MAX6818EAP+	MAXIM	获取价格	Logic Circuit, CMOS, PDSO20, 5.30 X 6.50 MM, SSOP-20
MAX6818EAP+T	MAXIM	获取价格	Logic Circuit, CMOS, PDSO20, 5.30 X 6.50 MM, SSOP-20
MAX6818EAP-T	MAXIM	获取价格	Logic Circuit, BICMOS, PDSO20, SSOP-20
MAX6819	MAXIM	获取价格	SOT23 Power-Supply Sequencers
MAX6819	ADI	获取价格	SOT23封装、电源排序器
MAX6819_05	MAXIM	获取价格	SOT23 Power-Supply Sequencers
MAX6819UT	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, PDSO6, SOT-23, 6 PIN
MAX6819UT+T	MAXIM	获取价格	Power Supply Support Circuit, Adjustable, 1 Channel, BICMOS, PDSO6, MO-178AB, SOT-23, 6 PI

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