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MAX801MCSA Datasheet(PDF) 1 Page - Maxim Integrated Products

Part # MAX801MCSA
Description  8-Pin 關P Supervisory Circuits with 짹1.5eset Accuracy
Download  12 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX801MCSA Datasheet(HTML) 1 Page - Maxim Integrated Products

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_______________General Description
The MAX801/MAX808 microprocessor (µP) supervisory
circuits monitor and control the activities of +5V µPs by
providing backup-battery switchover, low-line indica-
tion, and µP reset. Additional features include a watch-
dog for the MAX801 and CMOS RAM write protection
for the MAX808.
The MAX801/MAX808 offer a choice of reset-threshold
voltage (denoted by suffix letter): 4.675V (L), 4.575V
(N), and 4.425V (M). These devices are available in
8-pin DIP and SO packages.
________________________Applications
Computers
Controllers
Intelligent Instruments
Critical µP Power Monitoring
Portable/Battery-Powered Equipment
Embedded Systems
____________________________Features
o Precision Voltage Monitoring, ±1.5% Reset
Accuracy
o 200ms Power-OK/Reset Time Delay
o RESET Output (MAX808)
RESET and RESET Outputs (MAX801)
o Watchdog Timer (MAX801)
o On-Board Gating of Chip-Enable Signals (MAX808):
Memory Write-Cycle Completion
3ns CE Gate Propagation Delay
o 1µA Standby Current
o Power Switching:
250mA in VCC Mode
20mA in Battery-Backup Mode
o MaxCap™/SuperCap™ Compatible
o RESET Guaranteed Valid to VCC = 1V
o Low-Line Threshold 52mV Above Reset
Threshold
8-Pin µP Supervisory Circuits
with ±1.5% Reset Accuracy
________________________________________________________________
Maxim Integrated Products
1
0.1
µF
0.1
µF
0.1
µF
µP
POWER
POWER FOR
CMOS RAM
NMI
BATT
VCC
OUT
+5V
GND
RESET
FROM I/O SYSTEM OR
ADDRESS DECODER
TO CMOS RAM
CE IN
CE OUT
LOWLINE
RESET
MAX808
µP SYSTEM
__________Typical Operating Circuit
19-1086; Rev 0; 6/96
PART*
MAX801_CPA
MAX801_CSA
MAX801_EPA
-40°C to +85°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 Plastic DIP
8 SO
8 Plastic DIP
______________Ordering Information
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
MaxCap is a trademark of The Carborundum Corp.
SuperCap is a trademark of Baknor Industries.
Pin Configurations appear at end of data sheet.
MAX801_ESA
MAX801_MJA
MAX808_CPA
0°C to +70°C
-55°C to +125°C
-40°C to +85°C
8 SO
8 CERDIP**
8 Plastic DIP
MAX808_CSA
0°C to +70°C
8 SO
MAX808_EPA
MAX808_ESA
MAX808_MJA
-55°C to +125°C
-40°C to +85°C
-40°C to +85°C
8 Plastic DIP
8 SO
8 CERDIP**
* These parts offer a choice of reset threshold voltage. From the
table below, select the suffix corresponding to the desired
threshold and insert it into the blank to complete the part number.
**Contact factory for availability and processing to MIL-STD-883.
RESET THRESHOLD (V)
L
4.60
4.675
N
4.50
4.75
M
4.35
4.575
4.65
4.425
4.50
MIN
MAX
SUFFIX
TYP


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