MAX6304 Maxim Integrated Products, MAX6304 Datasheet

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MAX6304

Manufacturer Part Number
MAX6304
Description
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX6304

Case
SOP8

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The MAX6301/MAX6302/MAX6303/MAX6304* low-
power microprocessor (µP) supervisory circuits provide
maximum adjustability for reset and watchdog functions.
The reset threshold can be adjusted to any voltage
above 1.22V, using external resistors. In addition, the
reset and watchdog timeout periods are adjustable
using external capacitors. A watchdog select pin
extends the watchdog timeout period to 500x. The reset
function features immunity to power-supply transients.
These four devices differ only in the structure of their reset
outputs (see Selector Guide ). The MAX6301–MAX6304
are available in the space-saving 8-pin µMAX package,
as well as 8-pin DIP/SO.
________________________Applications
19-1078; Rev 0; 6/96
* Patents pending
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
_____________________Selector Guide
Active-Low
Reset
Active-High
Reset
Open-Drain
Reset Output
Push/Pull
Reset Output
Pins-Package
_______________General Description
__________________Pin Configuration
Medical Equipment
Intelligent Instruments
Portable Equipment
Battery-Powered
Computers/Controllers
FEATURE
TOP VIEW
( ) ARE FOR MAX6302/MAX6304.
RESET IN
GND
SWT
SRT
8-DIP/SO/
MAX6301 MAX6302 MAX6303 MAX6304
µMAX
________________________________________________________________ Maxim Integrated Products
+5V, Low-Power µP Supervisory Circuits
1
2
3
4
DIP/SO/ MAX
MAX6301
MAX6302
MAX6303
MAX6304
8-DIP/SO/
Embedded Controllers
Critical µP Monitoring
Set-Top Boxes
Computers
µMAX
8
7
6
5
8-DIP/SO/
with Adjustable Reset/Watchdog
µMAX
V
RESET (RESET)
WDI
WDS
CC
8-DIP/SO/
µMAX
Ordering Information continued at end of data sheet.
____________________________Features
__________Typical Operating Circuit
______________Ordering Information
MAX6301CPA
MAX6301CSA
MAX6301CUA
MAX6301EPA
MAX6301ESA
Adjustable Reset Threshold
Adjustable Reset Timeout
Adjustable Watchdog Timeout
500x Watchdog Timeout Multiplier
4µA Supply Current
RESET or
Push/Pull or Open-Drain Output Options
Guaranteed
V
Power-Supply Transient Immunity
Watchdog Function Can Be Disabled
DIP/SO/µMAX Packages Available
V
IN
CC
C
R1
R2
SRT
PART
= 1V (MAX6301/MAX6303)
1
2
3
4
C
( ) ARE FOR MAX6302/MAX6304.
SWT
RESET IN
GND
SRT
SWT
RESET
RESET
MAX6301
MAX6302
MAX6303
MAX6304
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
Output Options
(RESET)
RESET
Asserted At or Above
WDS
WDI
V
CC
8
7
6
5
0.1µF
WDS = 0 FOR NORMAL MODE
WDI = 1 FOR EXTENDED MODE
R
L
MAX6301
8 Plastic DIP
8 SO
8 µMAX
8 Plastic DIP
8 SO
ONLY
PIN-PACKAGE
MAX6302
ONLY
R
L
RESET
I/O
µP
1

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