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MAX6910EO30+T

更新时间： 2024-09-16 13:02:51

品牌	Logo	应用领域
美信 - MAXIM		电源电路电源管理电路光电二极管信息通信管理控制器时钟
页数	文件大小	规格书
33页	775K
描述
Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO20, 0.150 INCH, 0.025 INCH PITCH, MO-137AD, QSOP-20

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MAX6910EO30+T 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
零件包装代码：	SSOP	包装说明：	SSOP,
针数：	20	Reach Compliance Code：	compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.32	可调阈值：	YES
模拟集成电路 - 其他类型：	POWER SUPPLY MANAGEMENT CIRCUIT	JESD-30 代码：	R-PDSO-G20
JESD-609代码：	e3	长度：	8.65 mm
湿度敏感等级：	1	信道数量：	1
功能数量：	1	端子数量：	20
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	SSOP
封装形状：	RECTANGULAR	封装形式：	SMALL OUTLINE, SHRINK PITCH
峰值回流温度（摄氏度）：	260	认证状态：	Not Qualified
座面最大高度：	1.73 mm	最大供电电压 (Vsup)：	3.3 V
最小供电电压 (Vsup)：	2.7 V	标称供电电压 (Vsup)：	3 V
表面贴装：	YES	技术：	BICMOS
温度等级：	INDUSTRIAL	端子面层：	Matte Tin (Sn)
端子形式：	GULL WING	端子节距：	0.635 mm
端子位置：	DUAL	处于峰值回流温度下的最长时间：	NOT SPECIFIED
宽度：	3.9 mm	Base Number Matches：	1

MAX6910EO30+T 数据手册

19-3322; Rev 0; 8/04

I C-Compatible Real-Time Clocks with µP

Supervisor and NV RAM Controller

General Description

Features

♦ RTC Counts Seconds, Minutes, Hours, Date of the

Month, Month, Day of the Week, and Year, with

Leap Year Compensation Valid Up to 2100

The MAX6909/MAX6910 are I²C-compatible real-time

clocks (RTCs) with a microprocessor supervisor, option-

al trickle charger (MAX6910 only), backup power

source, and NV RAM controller. The MAX6909/

MAX6910 provide alarm outputs to indicate a crystal fail-

ure, a switchover to battery power, and time and date

indication. The NV RAM is 31 bytes of static RAM that

are available for scratchpad storage. The MAX6909/

MAX6910 are controlled through a 2-wire serial bus.

♦ 31 Bytes of RAM for Scratchpad Data Storage

♦ Uses Standard 32.768kHz, 6pF Load, Watch

Crystal

♦ Programmable Time/Date, Open-Drain ALARM

Output (Status Can also Be Polled)

The real-time clock/calendar provides seconds, min-

utes, hours, day, date, month, and year information.

The date is automatically adjusted for months with

fewer than 31 days, including corrections for leap year

up to the year 2100. The clock operates in either the

24-hour or 12-hour format with an AM/PM indicator. A

time/date-programmable ALARM output completes the

features list for the real-time clock section of the

MAX6909/MAX6910. The alarm function can also be

used in a polled mode by periodically reading the

alarm out status bit in the minutes register. A crystal fail

output, CX FAIL, indicates loss of accurate timekeeping

due to crystal problems.

♦ Chip Enable Gating (Control of CE with Reset and

Power Valid)

♦ OUT Pin for SRAM Power

♦ µP Reset Output

♦ Watchdog Input

♦ Manual Reset Input with Push-Button Switch

Debounce

♦ Independent Power-Fail and Reset Comparators

♦ 400kHz 2-Wire Interface

♦ Single-Byte or Multiple-Byte (Burst Mode) Data

Transfer for Read or Write of Clock Registers or

RAM

A built-in µP supervisor with an open-drain reset

ensures the µP powers up in a known state. A reset

threshold is available for 3V or 3.3V supplies. The piezo

transducer output, PZT, is register selectable for one of

four frequencies, can be turned on and off through a

output, goes active.

♦ Bus Timeout to Prevent Lockup of Malfunctioning

Bus Interface

♦ Dual Power-Supply Pins for Primary and Backup

Power

♦ Programmable Trickle Charger (MAX6910)

♦ Uses Less than 1µA Timekeeping Current at 3.0V

♦ Operating Voltages of 3V and 3.3V

The MAX6909/MAX6910 are available in a 20-pin QSOP

package and operate over the -40°C to +85°C temper-

ature range.

Ordering Information

Applications

Point-of-Sale Equipment

Programmable Logic Controller

Handheld Instruments

PART

TEMP RANGE

-40°C to +85°C

PIN-PACKAGE

20 QSOP

MAX6909EO30

MAX6909EO33

MAX6910EO30

MAX6910EO33

20 QSOP

Medical Instrumentation

20 QSOP

Pin Configuration/Selector Guide/Typical Operating Circuit

appear at end of data sheet.

________________________________________________________________ Maxim Integrated Products

For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at

1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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MAX6910EO30+T 替代型号

型号	品牌	替代类型	描述	数据表
MAX6910EO33+	MAXIM	功能相似	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO20, 0.150 INCH, 0.025

与MAX6910EO30+T相关器件

型号	品牌	获取价格	描述	数据表
MAX6910EO33	MAXIM	获取价格	I2C-Compatible Real-Time Clocks with uP Supervisor and NV RAM Controller
MAX6910EO33	ROCHESTER	获取价格	1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PDSO20, 0.150 INCH, 0.025 INCH PITCH, MO-137AD, QSO
MAX6910EO33+	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO20, 0.150 INCH, 0.025
MAX6910EO33+T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO20, 0.150 INCH, 0.025
MAX6916	MAXIM	获取价格	SPI-Compatible RTC with Microprocessor Supervisor, Alarm, and NV RAM Controller
MAX6916_05	MAXIM	获取价格	SPI-Compatible RTC with Microprocessor Supervisor, Alarm, and NV RAM Controller
MAX6916EO30	MAXIM	获取价格	SPI-Compatible RTC with Microprocessor Supervisor, Alarm, and NV RAM Controller
MAX6916EO30+	MAXIM	获取价格	Real Time Clock, Non-Volatile, CMOS, PDSO20, 0.150 INCH, 0.025 INCH PITCH, LEAD FREE, MO-1
MAX6916EO33	MAXIM	获取价格	SPI-Compatible RTC with Microprocessor Supervisor, Alarm, and NV RAM Controller
MAX6916EO33+	MAXIM	获取价格	Real Time Clock, Non-Volatile, CMOS, PDSO20, 0.150 INCH, 0.025 INCH PITCH, LEAD FREE, MO-1

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