Datasheet > MAX7378BRQT

MAX7378BRQT

更新时间： 2024-09-19 10:49:31

品牌	Logo	应用领域
美信 - MAXIM		信息通信管理光电二极管
页数	文件大小	规格书
10页	619K
描述
Analog Circuit, 1 Func, BICMOS, PDSO8, MO-187CAA, MICRO, SOP-8

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MAX7378BRQT 数据手册

19-3350; Rev 0; 7/04

Silicon Oscillator with Low-Power

Frequency Switching and Reset Output

General Description

Features

The MAX7378 dual-speed silicon oscillator with reset, is

a replacement for ceramic resonators, crystals, crystal-

oscillator modules, and discrete reset circuits. The

MAX7378 provides the primary and secondary clock

source and reset function for microcontrollers in 3V,

3.3V, and 5V applications. The MAX7378 features a

♦ 2.7V to 5.5V Operation

♦ Accurate High-Speed Oscillator: 600kHz to 10MHz

♦ Accurate Low-Speed 32kHz Oscillator

♦ Glitch-Free Switch Between High Speed and Low

Speed at Any Time

♦ Reset Output Holds the µC in Reset for 100µs

factory-programmed high-speed oscillator,

After Clock Startup

32.768kHz oscillator, a clock selector input, and a

microprocessor (µP) power-on-reset (POR) supervisor.

The clock output can be switched at any time between

the high-speed clock and the 32.768kHz clock for low-

power operation. Switchover is synchronized internally

to provide glitch-free clock switching.

♦

10mA Clock-Output ꢀriꢁe Capaꢂility

♦ 2% Initial Accuracy

50ppmꢃ°C Temperature Coefficient

♦

♦ 50% 7% Output ꢀuty Cycle

♦ 5ns Output Rise and Fall Time

Unlike typical crystal and ceramic resonator oscillator

circuits, the MAX7378 is resistant to vibration and EMI.

The high-output-drive current and absence of high-

impedance nodes make the oscillator less susceptible

to dirty or humid operating conditions. With a wide

operating temperature range as standard, the

MAX7378 is a good choice for demanding home appli-

ance, industrial, and automotive environments.

♦ Low Jitter: 160ps

at 8MHz

(Peak-to-Peak)

♦ 2.4mA Fast-Mode Operating Current (8MHz)

♦ 11µA Slow-Mode Operating Current (32kHz)

♦ -40°C to +125°C Temperature Range

Ordering Information

The MAX7378 is available in an 8-pin µMAX^®package.

Refer to the MAX7384 data sheet for frequencies

≥10MHz. The MAX7378 standard operating tempera-

ture range is -40°C to +125°C. See the Applications

Information section for the extended operating temper-

ature range.

RESET

OUTPUT

PIN-

PACKAGE

PART

TEMP RANGE

Active high

push-pull

MAX7378A _ _ _ -40^oC to +125^oC

MAX7378B _ _ _ -40^oC to +125^oC

8 µMAX

Active low

push-pull

8 µMAX

Applications

MAX7378C _ _ _ -40^oC to +125^oC Open drain 8 µMAX

White Goods

Automotive

Standard version is shown in bold. The first letter after the part

number designates the reset output option. Insert the letter cor-

responding to the desired reset threshold level from Table 1 in

the next position. Insert the two-letter code from Table 2 in the

remaining two positions for the desired frequency range. See

Table 3 for standard part numbers.

Consumer Products

Appliances and Controls

Handheld Products

Portable Equipment

Microcontroller (µC) Systems

Typical Application Circuit

SUPPLY VOLTAGE

OSC1

ENABLE

CLOCK

OSC2

RST

Pin Configuration appears at end of data sheet.

MAX7378

µC

RST/RST

I/O PORT

SPEED

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

________________________________________________________________ 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MAX7378BRQT相关器件

型号	品牌	获取价格	描述	数据表
MAX7378BRQW	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO8, MO-187CAA, MICRO, SOP-8
MAX7378BRRD	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO8, MO-187CAA, MICRO, SOP-8
MAX7378BRRH	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO8, MO-187CAA, MICRO, SOP-8
MAX7378CMMG	MAXIM	获取价格	Silicon Oscillator with Low-Power Frequency Switching and Reset Output
MAX7378CMOK	MAXIM	获取价格	Silicon Oscillator with Low-Power Frequency Switching and Reset Output
MAX7378CMOK-T	MAXIM	获取价格	Analog Circuit, 1 Func, BICMOS, PDSO8, MO-187CAA, MICRO, SOP-8
MAX7378CMQT	MAXIM	获取价格	Silicon Oscillator with Low-Power Frequency Switching and Reset Output
MAX7378CMQW	MAXIM	获取价格	Silicon Oscillator with Low-Power Frequency Switching and Reset Output
MAX7378CMRD	MAXIM	获取价格	Silicon Oscillator with Low-Power Frequency Switching and Reset Output
MAX7378CMRH	MAXIM	获取价格	Silicon Oscillator with Low-Power Frequency Switching and Reset Output

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