MAX7391CMTP-T datasheet, PDF - EEWORLD Datasheet

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MAX7391CMTP-T: DescriptionClock Generators u0026 Support Products; CategoryThe embedded processor and controller Microcontrollers and processors; File Size267KB，10 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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MAX7391CMTP-T Overview

Clock Generators u0026 Support Products

MAX7391CMTP-T Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	TSSOP
package instruction	TSSOP,
Contacts	8
Reach Compliance Code	compliant
ECCN code	EAR99
JESD-30 code	S-PDSO-G8
JESD-609 code	e0
length	3 mm
Humidity sensitivity level	1
Number of terminals	8
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Maximum output clock frequency	8 MHz
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Package shape	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240
Certification status	Not Qualified
Maximum seat height	1.1 mm
Maximum supply voltage	5.5 V
Minimum supply voltage	2.7 V
Nominal supply voltage	5 V
surface mount	YES
technology	BICMOS
Temperature level	AUTOMOTIVE
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	0.65 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, OTHER

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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.

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-

figurable to detect either an external voltage or the V

supply to the device.

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.

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.

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.

The MAX7391 is available in an 8-pin µMAX

package.

The MAX7391 standard operating temperature range is

from -40°C to +125°C.

Features

♦

Robust Microcontroller Clock and Supervisory

Functions in a Single Package

♦

Integrated Reset and Power-Fail Functions

♦

Speed Select

♦

+2.7V to +5.5V Operation

♦

Factory-Trimmed Oscillator

♦

Reset Valid Down to 1.1V Supply Voltage

♦

±10mA Clock-Output Drive Current

♦

±4% Total Accuracy for -40°C to +125°C

♦

±2.75% Total Accurac for 0°C to +85°C

♦

5.5mA Operating Current (12MHz Version)

♦

-40°C to +125°C Temperature Range

♦

Surface-Mount Package

♦

1MHz to 16MHz Factory Preset Frequency Range

MAX7391

Ordering Information

PART

MAX7391srff

TEMP RANGE

-40°C to +125°C

PIN-PACKAGE

8 µMAX

PKG

CODE

U8-1

Applications

White Goods

Automotive

Appliances and Controls

Handheld Products

Portable Equipment

Microcontroller Systems

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.

Pin Configuration

TOP VIEW

PFI 1

8 CLOCK

7 RST/RST

Typical Application Circuit, Functional Diagram, and Selector

Guide appear at end of data sheet.

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

MAX7391

6 SPEED

5 PFO

N.C. 3

GND 4

µMAX

________________________________________________________________

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.

MAX7391CMTP-T Related Products

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Description	Clock Generators u0026 Support Products	Clock Generators u0026 Support Products Speed-Switching Clock Generator with Power Fail	Clock Generators u0026 Support Products Speed-Switching Clock Generator with Power Fail	Clock Generators u0026 Support Products Speed-Switching Clock Generator with Power Fail	Clock Generators u0026 Support Products	Clock Generators u0026 Support Products	Clock Generators u0026 Support Products Speed-Switching Clock Generator with Power Fail	Clock Generators & Support Products
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible
Maker	Maxim	Maxim	Maxim	Maxim	Maxim	Maxim	Maxim	Maxim
Parts packaging code	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP
package instruction	TSSOP,	TSSOP,	TSSOP,	TSSOP,	MO-187C-AA, MICRO, SOP-8	MO-187C-AA, MICRO, SOP-8	TSSOP,	MO-187C-AA, MICRO, SOP-8
Contacts	8	8	8	8	8	8	8	8
Reach Compliance Code	compliant	compliant	compliant	compliant	not_compliant	not_compliant	compliant	not_compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
JESD-30 code	S-PDSO-G8	S-PDSO-G8	S-PDSO-G8	S-PDSO-G8	S-PDSO-G8	S-PDSO-G8	S-PDSO-G8	S-PDSO-G8
JESD-609 code	e0	e0	e0	e0	e0	e0	e0	e0
length	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm
Humidity sensitivity level	1	1	1	1	1	1	1	1
Number of terminals	8	8	8	8	8	8	8	8
Maximum operating temperature	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C	125 °C
Minimum operating temperature	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C	-40 °C
Maximum output clock frequency	8 MHz	4 MHz	12 MHz	16 MHz	12 MHz	4 MHz	16 MHz	16 MHz
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP
Package shape	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240	240	240	240	245	245	240	245
Certification status	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified	Not Qualified
Maximum seat height	1.1 mm	1.1 mm	1.1 mm	1.1 mm	1.1 mm	1.1 mm	1.1 mm	1.1 mm
Maximum supply voltage	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V
Nominal supply voltage	5 V	5 V	5 V	5 V	5 V	5 V	5 V	5 V
surface mount	YES	YES	YES	YES	YES	YES	YES	YES
technology	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS
Temperature level	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE
Terminal surface	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD	TIN LEAD
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING	GULL WING
Terminal pitch	0.65 mm	0.65 mm	0.65 mm	0.65 mm	0.65 mm	0.65 mm	0.65 mm	0.65 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	30	30	30	30	NOT SPECIFIED	NOT SPECIFIED	30	NOT SPECIFIED
width	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm
uPs/uCs/peripheral integrated circuit type	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER	CLOCK GENERATOR, OTHER

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