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MAX793SCSE+ IC SUPERVISOR 1 CHANNEL 16SOIC Analog Devices Inc./Maxim Integrated

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MAX793SCSE+ IC SUPERVISOR 1 CHANNEL 16SOIC Analog Devices Inc./Maxim Integrated

Brand Name : Analog Devices Inc./Maxim Integrated

Model Number : MAX793SCSE+

MOQ : 1

Price : Based on current price

Payment Terms : T/T

Supply Ability : In stock

Delivery Time : 3-5 work days

Packaging Details : anti-static bag & cardboard box

Type : Battery Backup Circuit

Number of Voltages Monitored : 1

Voltage - Threshold : 2.925V

Output : Open Drain, Push-Pull

Reset : Active High/Active Low

Reset Timeout : 140ms Minimum

Operating Temperature : 0°C ~ 70°C (TA)

Mounting Type : Surface Mount

Package / Case : 16-SOIC (0.154", 3.90mm Width)

Supplier Device Package : 16-SOIC

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Product Details

General Description

The MAX793/MAX794/MAX795 microprocessor (µP) supervisory circuits monitor and control the activities of +3.0V/+3.3V µPs by providing backup-battery switchover, among other features such as low-line indication, µP reset, write protection for CMOS RAM, and a watchdog (see the Selector Guide below). The backup-battery voltage can exceed VCC, permitting the use of 3.6V lithium batteries in systems using 3.0V to 3.3V for VCC.
The MAX793/MAX795 offer a choice of reset threshold voltage range (denoted by suffix letter): 3.00V to 3.15V (T), 2.85V to 3.00V (S), and 2.55V to 2.70V (R). The MAX794’s reset threshold is set externally with a resistor divider. The MAX793/MAX794 are available in 16-pin DIP and narrow SO packages, and the MAX795 comes in 8-pin DIP and SO packages. For similar devices designed for 5V systems, see the µP Supervisory Circuits table at the back of this data sheet.

Features

MAX793/MAX794/MAX795
♦ Precision Supply-Voltage Monitor:
Fixed Reset Trip Voltage (MAX793/MAX795)
Adjustable Reset Trip Voltage (MAX794)
♦ Guaranteed Reset Assertion to VCC = 1V
♦ Backup-Battery Power Switching—Battery
Voltage Can Exceed VCC
♦ On-Board Gating of Chip-Enable Signals—7ns
Max Propagation Delay
MAX793/MAX794 Only
♦ Battery Freshness Seal
♦ Battery OK Output (MAX793)
♦ Uncommitted Voltage Monitor for Power-Fail or
Low-Battery Warning
♦ Independent Watchdog Timer (1.6sec timeout)
♦ Manual Reset Input

Applications

Battery-Powered Computers and Controllers
Embedded Controllers
Intelligent Controllers
Critical µP Power Monitoring
Portable Equipment

Specifications

Attribute Attribute Value
Manufacturer Maxim Integrated
Product Category IC Chips
Series MAX793S
Type Battery Backup Circuit
Packaging Tube Alternate Packaging
Unit-Weight 0.019312 oz
Mounting-Style SMD/SMT
Package-Case 16-SOIC (0.154", 3.90mm Width)
Operating-Temperature 0°C ~ 70°C (TA)
Mounting-Type Surface Mount
Output-Type Open Collector / Drain & Push-Pull
Supplier-Device-Package 16-SOIC
Output Open Drain, Push-Pull
Reset Active High/Active Low
Voltage monitoring relays 1
Reset-Timeout 140 ms Minimum
Voltage-Threshold 2.925V
Pd-Power-Dissipation 696 mW
Maximum Operating Temperature + 70 C
Operating temperature range 0 C
Operating-Supply-Current 62 uA
Battery-Backup-Switching Backup
Part-#-Aliases MAX793S
Supply-Voltage-Max 5.5 V
Supply-Voltage-Min 1 V
Package-Case SOIC-16 Narrow
Watchdog-Timers Watchdog
Threshold-Voltage 3 V 3.3 V
Input Monitoring 1 Input
Manual-Reset Manual Reset
Chip-Enable-Signals Chip Enable
Power-Fail-Detection Yes
Reset-Delay-Time 200 ms
Overvoltage-Threshold Adjustable
Undervoltage-Threshold Adjustable

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Descriptions

Supervisory Circuits 3/3.3/AdjV MPU Supervisor

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