MAX6305, MAX6306, MAX6307, MAX6308, MAX6309, MAX6310, MAX6311, MAX6312, MAX6313 5-Pin, Multiple-Input, Programmable Reset ICs

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The MAX6305–MAX6313 CMOS microprocessor (µP) supervisory circuits are designed to monitor more than one power supply. Ideal for monitoring both 5V and 3.3V in personal computer systems, these devices assert a system reset if any of the monitored supplies falls outside the programmed threshold. Low supply current (15µA) and a small package suit them for portable applications. The MAX6305–MAX6313 are specifically designed to ignore fast transients on any monitored supply.

These devices are available in a SOT23-5 package, have factory-programmed reset thresholds from 2.5V to 5.0V (in 100mV increments), and feature four power-on reset timeout periods. Ten standard versions are available. Contact the factory for availability of non standard versions.

Key Features

Applications/Uses

Small 5-Pin SOT23 Package
Precision Factory-Set V_CC Reset Thresholds; Available in 0.1V Increments from 2.5V to 5V
Immune to Short V_CC Transients
Guaranteed Active-Low RESET Valid to V_CC = 1V
Guaranteed Over Temperature
8µA Supply Current
Factory-Set Reset Timeout Delay from 1ms (min) to 1120ms (min)
No External Components
Manual Reset Input
Under/Overvoltage Supply Monitoring

	Computers: Desktop, Workstation, Server
	Controllers
	Embedded Control Systems
	Intelligent Instruments
	Multivoltage Systems: 3V/5V, 5V/12V, 5V/24V
	Portable Battery-Powered Equipment
	Portable Computing

Key Specifications: Supervisors (2 Monitored Voltages)

Part Number

Interface

Reset Threshold Range (V)

Active-Low Reset Output

Active-High Reset Output

Min. Reset Timeout Range

Watchdog Feature

Supervisor Features

Reset Thresh. Acc. (% @+25°C)

Max. I_CC (µA)

Price^**

MAX6305

R/C Adjustable

1.2 to 1.8
1.8 to 2.5
2.5 to 3.3
3.3 to 5.5

Open Drain

15ms to 85ms
1ms to 15ms
85ms to 300ms
>1s

No Watchdog

Adjustable Reset Input

1.5

$1.20 @ 1k

MAX6306

Factory Fixed
R/C Adjustable

Open Drain

Adjustable Reset Input
Manual Reset

$1.20 @ 1k

MAX6307

Factory Fixed
R/C Adjustable

Open Drain

Adjustable Reset Input
Overvoltage/Window Monitor

$1.20 @ 1k

MAX6308

R/C Adjustable

Push-Pull

Adjustable Reset Input

$1.20 @ 1k

MAX6309

Factory Fixed
R/C Adjustable

Push-Pull

Adjustable Reset Input
Manual Reset

$1.20 @ 1k

MAX6310

Factory Fixed
R/C Adjustable

Push-Pull

Adjustable Reset Input
Overvoltage/Window Monitor

$1.20 @ 1k

MAX6311

R/C Adjustable

Push-Pull

Adjustable Reset Input

$1.20 @ 1k

MAX6312

Factory Fixed
R/C Adjustable

Push-Pull

Adjustable Reset Input
Manual Reset

$1.20 @ 1k

MAX6313

Factory Fixed
R/C Adjustable

Push-Pull

Adjustable Reset Input
Overvoltage/Window Monitor

$1.20 @ 1k

See All Supervisors (2 Monitored Voltages) (70)

Notes:
^**This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.