MAX7389BMRD

更新时间： 2024-09-19 13:11:07

品牌	Logo	应用领域
美信 - MAXIM		时钟发生器
页数	文件大小	规格书
10页	274K
描述
Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-187CAA, UMAX-8

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MAX7389BMRD 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	TSSOP	包装说明：	TSSOP, TSSOP8,.19
针数：	8	Reach Compliance Code：	not_compliant
ECCN代码：	EAR99	HTS代码：	8542.39.00.01
风险等级：	5.91	可调阈值：	YES
模拟集成电路 - 其他类型：	POWER SUPPLY MANAGEMENT CIRCUIT	JESD-30 代码：	S-PDSO-G8
JESD-609代码：	e0	长度：	3 mm
湿度敏感等级：	1	信道数量：	1
功能数量：	1	端子数量：	8
最高工作温度：	125 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	TSSOP
封装等效代码：	TSSOP8,.19	封装形状：	SQUARE
封装形式：	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	峰值回流温度（摄氏度）：	245
电源：	3/5 V	认证状态：	Not Qualified
座面最大高度：	1.1 mm	子类别：	Power Management Circuits
最大供电电流 (Isup)：	5.5 mA	最大供电电压 (Vsup)：	5.5 V
最小供电电压 (Vsup)：	2.7 V	标称供电电压 (Vsup)：	5 V
表面贴装：	YES	技术：	BICMOS
温度等级：	AUTOMOTIVE	端子面层：	TIN LEAD
端子形式：	GULL WING	端子节距：	0.65 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 mm	Base Number Matches：	1

MAX7389BMRD 数据手册

19-3981; Rev 0; 1/06

Speed-Switching Clock Generator

with Power Fail

General Description

The MAX7391 replaces ceramic resonators, crystals,

and supervisory functions for microcontrollers in 3.3V

and 5V applications.

Features

♦ Robust Microcontroller Clock and Supervisory

Functions in a Single Package

♦ Integrated Reset and Power-Fail Functions

♦ Speed Select

The MAX7391 provides a clock source, reset, and

power-fail functions. The programmable power-fail func-

tion provides early warning of power failure and is con-

♦ +2.7V to +5.5V Operation

figurable to detect either an external voltage or the V

supply to the device.

♦ Factory-Trimmed Oscillator

♦ Reset Valid Down to 1.1V Supply Voltage

♦ ±1ꢀmꢁ Clock-Output Drive Current

♦ ±±4 Total ꢁccuracy ꢂor -±ꢀ0C to +1250C

The clock output can be switched between normal and

half-speed operation. This functionality allows the micro-

controller to operate at reduced power and may be

used to extend the time available to perform house-

keeping tasks, such as writing data to flash during a

power failure. Connecting the power-fail output to the

SPEED input reduces clock speed automatically during

power-fail events.

♦ ±2.754 Total ꢁccurac ꢂor ꢀ0C to +ꢃ50C

♦ 5.5mꢁ Operating Current (12MHz Version)

♦ -±ꢀ0C to +1250C Temperature Range

♦ Surꢂace-Mount Package

The MAX7391 clock output is factory programmed to a

frequency in the 1MHz to 16MHz range. Four standard

frequencies are available. Other frequencies are avail-

able upon request. The maximum operating supply cur-

rent is 5.5mA (typ) with a clock frequency of 12MHz.

♦ 1MHz to 16MHz Factory Preset Frequency Range

Unlike typical crystal and ceramic resonator oscillator

circuits, the MAX7391 is resistant to EMI and vibration,

and operates reliably at high temperatures. The high-

output drive current and absence of high-impedance

nodes make the oscillator invulnerable to dirty or humid

operating conditions.

Ordering Information

PKG

CODE

PꢁRT

TEMP RꢁNGE

PIN-PꢁCKꢁGE

MAX7391srff -40°C to +125°C 8 µMAX

U8-1

The MAX7391 is available in an 8-pin µMAX^®package.

The MAX7391 standard operating temperature range is

from -40°C to +125°C.

Note: “s” is a placeholder for the reset output type. Insert the

symbol found in Table 2 in the place of “s.” “r” is a placeholder

for the power-on reset (POR) voltage. Insert the symbol found in

Table 1 in the place of “r.” “ff” is a placeholder for the nominal

output frequency. Insert the symbol found in Table 3 in the

place of “ff.” For example, MAX7391CMTP describes a device

with 4.38V reset level, open-collector RST output, and a clock

output frequency of 8MHz.

Applications

White Goods

Automotive

Appliances and Controls

Handheld Products

Portable Equipment

Microcontroller Systems

Pin Configuration

TOP VIEW

PFI

CLOCK

RST/RST

SPEED

PFO

MAX7391

Typical Application Circuit, Functional Diagram, and Selector

Guide appear at end of data sheet.

N.C.

GND

µMAX is a registered trademark of Maxim Integrated Products, Inc.

µMꢁX

________________________________________________________________ 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.

12 3 4 5 6 7...10

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与MAX7389BMRD相关器件

型号	品牌	获取价格	描述	数据表
MAX7389BMTP	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-187CAA, UMAX-8
MAX7389BMVB	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-187CAA, UMAX-8
MAX7389BNWB	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-187CAA, UMAX-8
MAX7389BPTP	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-187CAA, UMAX-8
MAX7389BSRD	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-187CAA, UMAX-8
MAX7389CMAC	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS
MAX7389CMRD-T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-187CAA, UMAX-8
MAX7389CMTP-T	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-187CAA, UMAX-8
MAX7389CPRD	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-187CAA, UMAX-8
MAX7389CPTP	MAXIM	获取价格	Power Supply Management Circuit, Adjustable, 1 Channel, BICMOS, PDSO8, MO-187CAA, UMAX-8

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