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MAX7387CMRD-T

Description
Clock Generators u0026 Support Products System Monitoring Oscillator with Watchdog and Power Fail
CategoryPower/power management    The power supply circuit   
File Size596KB,12 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX7387CMRD-T Overview

Clock Generators u0026 Support Products System Monitoring Oscillator with Watchdog and Power Fail

MAX7387CMRD-T Parametric

Parameter NameAttribute value
Is it Rohs certified?incompatible
MakerMaxim
Parts packaging codeTSSOP
package instructionHTSSOP,
Contacts10
Reach Compliance Codecompliant
ECCN codeEAR99
Other featuresPIN-PROGRAMMABLE WATCHDOG TIMEOUT
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeS-PDSO-G10
JESD-609 codee0
length3 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals10
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeHTSSOP
Package shapeSQUARE
Package formSMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)240
Certification statusNot Qualified
Maximum seat height1.1 mm
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)2.7 V
Nominal supply voltage (Vsup)5 V
surface mountYES
technologyBICMOS
Temperature levelAUTOMOTIVE
Terminal surfaceTIN LEAD
Terminal formGULL WING
Terminal pitch0.5 mm
Terminal locationDUAL
Maximum time at peak reflow temperature30
width3 mm
Base Number Matches1
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
o
o
o
o
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
V
CC
WDS1
WDS2
GND
2
3
4
5
10 CLOCK
9
RST/RST
WDI
PFO
WDO
WDS2
3
TOP VIEW
V
CC
1
8
7
CLOCK
RST/RST
WDI
PFO
MAX7387
WDS1 2
8
7
6
MAX7388
6
5
GND 4
µMAX
µMAX
1
________________________________________________________________
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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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 HTSSOP, 3 X 3 MM, MO-187CBA, MICRO, SOP-10 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 compliant not_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 HTSSOP TSSOP TSSOP TSSOP TSSOP TSSOP TSSOP
Package shape SQUARE SQUARE SQUARE SQUARE SQUARE SQUARE SQUARE
Package form 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 SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius) 240 245 240 245 240 245 245
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 30 NOT SPECIFIED 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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