MAX6400

PRODUCTION

µP Supervisory Circuits in 4-Bump (2 x 2) Chip-Scale Package

Low-Power Microprocessor Supervisor in 4-Bump Chip Scale Package

Data Sheet (Rev. 1) Product Selection Table

Part Models: 2
1ku List Price: Starting From $2.14

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Overview

Ultra-Small 4-Bump (2 x 2) UCSP (See UCSP Reliability Section for More Details).
70% Smaller Than SC70 Package
Ultra-Low 500nA (typ) Supply Current (MAX6400/MAX6401/MAX6402)
Factory-Trimmed Reset Thresholds from 2.20V to 4.63V in Approximately 100mV Increments
±2.5% Threshold Accuracy -40°C to +85°C
Factory-Set 100ms (min) Reset Timeout Period
Manual Reset Input
Guaranteed Reset Valid to V_CC = 1.0V
Three Reset Output Logic Options: Active-Low Push-Pull, Active-High Push-Pull, and Active-Low Open-Drain.
Immune to Short V_CC Transients
No External Components

The MAX6400–MAX6405 is a family of ultra-low power microprocessor (µP) supervisory circuits used for monitoring battery, power-supply, and regulated system voltages. Each device contains a precision bandgap reference comparator and is trimmed to specified trip threshold voltages. These devices provide excellent circuit reliability and low cost by eliminating external components and adjustments when monitoring system voltages from 2.5V to 5.0V. A manual reset input is also included.

The MAX6400–MAX6405 assert a reset signal whenever the V_CC supply voltage falls below a preset threshold. These devices are differentiated by their output logic configurations and preset threshold voltages. The MAX6400/MAX6403 (push-pull) and the MAX6402/MAX6405 (open-drain) have an active-low reset (active-low RESET is logic low when V_CC is below V_TH). The MAX6401/MAX6404 have an active-high push-pull output (RESET is logic high when V_CC is below V_TH). All parts are guaranteed to be in the correct output logic state for V_CC down to 1V. The reset circuits designed to ignore fast transients on V_CC. The MAX6400/MAX6401/MAX6402 have voltage thresholds between 2.20V and 3.08V in approximately 100mV increments. The MAX6403/MAX6404/MAX6405 have voltage thresholds between 3.30V and 4.63V in approximately 100mV increments.

Ultra-low supply current of 500nA (MAX6400/MAX6401/MAX6402) makes these parts ideal for use in portable equipment. These devices are available in 4-bump chip-scale packages (UCSP™)

Applications

Cell Phones
MP3 Players
Pagers
PDAs
Portable Battery-Powered Equipment

Part Models: 2
1ku List Price: Starting From $2.14

Documentation

Data Sheet 1

MAX6400-MAX6405: µP Supervisory Circuits in 4-Bump (2 x 2) Chip-Scale Package Data Sheet (Rev.1) 08/01/2001

ADI has always placed the highest emphasis on delivering products that meet the maximum levels of quality and reliability. We achieve this by incorporating quality and reliability checks in every scope of product and process design, and in the manufacturing process as well. "Zero defects" for shipped products is always our goal. View our quality and reliability program and certifications for more information.

Part Model	Pin/Package Drawing	Documentation	CAD Symbols, Footprints, and 3D Models
MAX6400BS22+	4-WLCSP-N/A	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys
MAX6400BS22+T	4-WLCSP-N/A	Material Declaration Reliablity Data Package Resources	Ultra Librarian SamacSys

Part Models	Product Lifecycle	PCN

Jul 19, 2016 - 1594_AMENDED ASSEMBLY
		pcn_1594_amended
MAX6400BS22+T	PRODUCTION	pcn_1594_amended
Dec 8, 2015 - 1594_PRE-PCN WAFER FAB
		pcn_1594_pre-pcn
MAX6400BS22+T	PRODUCTION	pcn_1594_pre-pcn

This is the most up-to-date revision of the Data Sheet.

Software Resources

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Hardware Ecosystem

Parts	Product Life Cycle	Description
Supervisory Circuits & Reset ICs 17
MAX811	PRODUCTION	4-Pin µP Voltage Monitors with Manual Reset Input
MAX812	PRODUCTION	4-Pin µP Voltage Monitors with Manual Reset Input
MAX6711	PRODUCTION	4-Pin SC70 Microprocessor Reset Circuits with Manual Reset Input
MAX6712	Obsolete	4-Pin SC70 Microprocessor Reset Circuits with Manual Reset Input

MAX6713	PRODUCTION	4-Pin SC70 Microprocessor Reset Circuits with Manual Reset Input
MAX6326	PRODUCTION	3-Pin, Ultra-Low-Power SC70/SOT µP Reset Circuits
MAX6327	PRODUCTION	3-Pin, Ultra-Low-Power SC70/SOT µP Reset Circuits
MAX6328	PRODUCTION	3-Pin, Ultra-Low-Power SC70/SOT µP Reset Circuits
MAX6346	PRODUCTION	3-Pin, Ultra-Low-Power SC70/SOT µP Reset Circuits
MAX6347	PRODUCTION	3-Pin, Ultra-Low-Power SC70/SOT µP Reset Circuits
MAX6348	PRODUCTION	3-Pin, Ultra-Low-Power SC70/SOT µP Reset Circuits
MAX6375	PRODUCTION	3-Pin, Ultra-Low-Power SC70/SOT23 Voltage Detectors
MAX6376	PRODUCTION	3-Pin, Ultra-Low-Power SC70/SOT23 Voltage Detectors
MAX6377	PRODUCTION	3-Pin, Ultra-Low-Power SC70/SOT23 Voltage Detectors
MAX6378	PRODUCTION	3-Pin, Ultra-Low-Power SC70/SOT23 Voltage Detectors
MAX6379	PRODUCTION	3-Pin, Ultra-Low-Power SC70/SOT23 Voltage Detectors
MAX6380	PRODUCTION	3-Pin, Ultra-Low-Power SC70/SOT23 Voltage Detectors

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