MAX7387CSWB datasheet, PDF - EEWORLD Datasheet

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MAX7387CSWB: CategoryPower/power management The power supply circuit; File Size596KB，12 Pages; ManufacturerMaxim; Websitehttps://www.maximintegrated.com/en.html

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MAX7387CSWB Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Maxim
Parts packaging code	TSSOP
package instruction	3 X 3 MM, MO-187CBA, MICRO, SOP-10
Contacts	10
Reach Compliance Code	not_compliant
ECCN code	EAR99
Other features	PIN-PROGRAMMABLE WATCHDOG TIMEOUT
Adjustable threshold	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code	S-PDSO-G10
JESD-609 code	e0
length	3 mm
Humidity sensitivity level	1
Number of channels	1
Number of functions	1
Number of terminals	10
Maximum operating temperature	125 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP10,.19,20
Package shape	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	245
power supply	3/5 V
Certification status	Not Qualified
Maximum seat height	1.1 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	2.7 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	BICMOS
Temperature level	AUTOMOTIVE
Terminal surface	TIN LEAD
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	3 mm

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19-3896; Rev 1; 1/06

System Monitoring Oscillator with

Watchdog and Power Fail

General Description

The MAX7387/MAX7388 replace ceramic resonators,

crystals, and supervisory functions for microcontrollers

in 3.3V and 5V applications.

The MAX7387/MAX7388 provide a clock source together

with integrated reset, watchdog, and power-fail func-

tions. The watchdog timer is pin programmable and

provides watchdog timeout values in the 16ms to

2048ms range. The power-fail output provides early

warning of power failure. The power-fail threshold on the

MAX7388 is internally set. The MAX7387 also provides

a separate watchdog output that is used as a status

indicator or to control safety-critical system elements.

The MAX7387/MAX7388 clock outputs are factory pro-

grammed to a frequency in the 1MHz to 16MHz range.

Four standard frequencies are available. Other frequen-

cies are available upon request. The maximum operating

supply current is 5.5mA (max) with a clock frequency of

12MHz.

Unlike typical crystal and ceramic resonator oscillator

circuits, the MAX7387/MAX7388 are resistant to EMI

and vibration, and operate reliably at high tempera-

tures. The high-output drive current and absence of

high-impedance nodes make the oscillator invulnerable

to dirty or humid operating conditions.

The MAX7387/MAX7388 are available in 10-pin and 8-pin

µMAX

packages, respectively. The MAX7387/MAX7388

standard operating temperature range is from -40°C to

+125°C.

Features

♦

Robust Microcontroller Clock and Supervisor in a

Single Package

♦

Integrated Reset, Watchdog, and Power-Fail

Functions

♦

Pin-Programmable Watchdog Timeout

♦

+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 Accuracy for 0°C to +85°C

♦

-40°C to +125°C Temperature Range

♦

8- and 10-Pin µMAX Surface-Mount Packages

♦

5.5mA Operating Current (12MHz)

♦

1MHz to 16MHz Factory Preset Frequency

MAX7387/MAX7388

Ordering Information

PART

TEMP RANGE

PIN-PACKAGE PKG CODE

U10-2

U8-1

MAX7387srff

-40 C to +125 C 10 µMAX

MAX7388srff

-40 C to +125 C 8 µMAX

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 3 in the place of “s.” “r” is a placeholder

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

Table 2 in the place of “r.” “ff” is a placeholder for the nominal

output frequency. Insert the symbol found in Table 4 in the

place of “ff.” For example, MAX7387CMTP describes a device

with 4.38V reset level, open-collector

RST

output, and a clock

output frequency of 8MHz.

Typical Application Circuit, Functional Diagram, and Selector

Guide appear at end of data sheet.

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

Pin Configurations

TOP VIEW

PFI 1

WDS1

WDS2

GND

10 CLOCK

RST/RST

WDI

PFO

WDO

WDS2

TOP VIEW

CLOCK

RST/RST

WDI

PFO

MAX7387

WDS1 2

MAX7388

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.

MAX7387CSWB Related Products

	MAX7387CSWB	MAX7387CMRD-T	MAX7388CSRD-T	MAX7387CSTP	MAX7388CSVB-T	MAX7388CSWB	MAX7388CMWB
Description		Clock Generators u0026 Support Products System Monitoring Oscillator with Watchdog and Power Fail	Clock Generators u0026 Support Products	Clock Generators u0026 Support Products	Timers u0026 Support Products	Timers u0026 Support Products	Timers u0026 Support Products
Is it Rohs certified?	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible	incompatible
Maker	Maxim	Maxim	Maxim	Maxim	Maxim	Maxim	Maxim
Parts packaging code	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP
package instruction	3 X 3 MM, MO-187CBA, MICRO, SOP-10	HTSSOP,	TSSOP,	3 X 3 MM, MO-187CBA, MICRO, SOP-10	TSSOP,	TSSOP, TSSOP8,.19	TSSOP, TSSOP8,.19
Contacts	10	10	8	10	8	8	8
Reach Compliance Code	not_compliant	compliant	compliant	not_compliant	compliant	not_compliant	not_compliant
ECCN code	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99	EAR99
Other features	PIN-PROGRAMMABLE WATCHDOG TIMEOUT	PIN-PROGRAMMABLE WATCHDOG TIMEOUT	PIN-PROGRAMMABLE WATCHDOG TIMEOUT	PIN-PROGRAMMABLE WATCHDOG TIMEOUT	PIN-PROGRAMMABLE WATCHDOG TIMEOUT	PIN-PROGRAMMABLE WATCHDOG TIMEOUT	PIN-PROGRAMMABLE WATCHDOG TIMEOUT
Adjustable threshold	NO	NO	NO	NO	NO	NO	NO
Analog Integrated Circuits - Other Types	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT	POWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 code	S-PDSO-G10	S-PDSO-G10	S-PDSO-G8	S-PDSO-G10	S-PDSO-G8	S-PDSO-G8	S-PDSO-G8
JESD-609 code	e0	e0	e0	e0	e0	e0	e0
length	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm
Humidity sensitivity level	1	1	1	1	1	1	1
Number of channels	1	1	1	1	1	1	1
Number of functions	1	1	1	1	1	1	1
Number of terminals	10	10	8	10	8	8	8
Maximum operating temperature	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
Package body material	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY	PLASTIC/EPOXY
encapsulated code	TSSOP	HTSSOP	TSSOP	TSSOP	TSSOP	TSSOP	TSSOP
Package shape	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	SMALL OUTLINE, HEAT SINK/SLUG, 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)	245	240	240	245	240	245	245
Certification status	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
Maximum supply voltage (Vsup)	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V	5.5 V
Minimum supply voltage (Vsup)	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V	2.7 V
Nominal supply voltage (Vsup)	5 V	5 V	5 V	5 V	5 V	5 V	5 V
surface mount	YES	YES	YES	YES	YES	YES	YES
technology	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS	BICMOS
Temperature level	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE	AUTOMOTIVE
Terminal surface	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
Terminal pitch	0.5 mm	0.5 mm	0.65 mm	0.5 mm	0.65 mm	0.65 mm	0.65 mm
Terminal location	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED	30	30	NOT SPECIFIED	30	NOT SPECIFIED	NOT SPECIFIED
width	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm	3 mm
Encapsulate equivalent code	TSSOP10,.19,20	-	-	TSSOP10,.19,20	-	TSSOP8,.19	TSSOP8,.19
power supply	3/5 V	-	-	3/5 V	-	3/5 V	3/5 V

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