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MAX800LCUE Datasheet(PDF) 1 Page - Maxim Integrated Products

Part # MAX800LCUE
Description  Microprocessor Supervisory Circuits
Download  17 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX800LCUE Datasheet(HTML) 1 Page - Maxim Integrated Products

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General Description
The MAX691A/MAX693A/MAX800L/MAX800M micro-
processor (µP) supervisory circuits are pin-compatible
upgrades to the MAX691, MAX693, and MAX695. They
improve performance with 30µA supply current, 200ms
typ reset active delay on power-up, and 6ns chip-
enable propagation delay. Features include write pro-
tection of CMOS RAM or EEPROM, separate watchdog
outputs, backup-battery switchover, and a RESET out-
put that is valid with VCC down to 1V. The MAX691A/
MAX800L have a 4.65V typical reset-threshold voltage,
and the MAX693A/MAX800Ms’ reset threshold is 4.4V
typical. The MAX800L/MAX800M guarantee power-fail
accuracies to ±2%.
________________________Applications
Computers
Controllers
Intelligent Instruments
Automotive Systems
Critical µP Power Monitoring
____________________________Features
o 200ms Power-OK/Reset Timeout Period
o 1µA Standby Current, 30µA Operating Current
o On-Board Gating of Chip-Enable Signals,
10ns max Delay
o MaxCap® or SuperCap Compatible
o Guaranteed R
RE
ES
SE
ET
T Assertion to VCC = +1V
o Voltage Monitor for Power-Fail or Low-Battery
Warning
o Power-Fail Accuracy Guaranteed to ±2%
(MAX800L/M)
o Available in 16-Pin Narrow SO, Plastic
DIP, and TSSOP Packages
Microprocessor Supervisory Circuits
________________________________________________________________
Maxim Integrated Products
1
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
RESET
RESET
WDO
CE IN
GND
VCC
VOUT
VBATT
TOP VIEW
MAX691A
MAX693A
MAX800L
MAX800M
CE OUT
WDI
PFO
PFI
OSC SEL
OSC IN
LOW LINE
BATT ON
DIP/SO/TSSOP
Pin Configuration
MAX691A
MAX693A
MAX800L
MAX800M
VOUT
VCC
BATT ON
CE OUT
CE IN
WDI
PFO
RESET
VBATT
PFI
GND
OSC IN
OSC SEL
1
9
4
7
8
ADDRESS
DECODE
AUDIBLE
ALARM
5V
REGULATOR
+8V
0.1
μF
CMOS RAM
2
12
11
10
15
13
5
3
A0-A15
I/O
NMI
RESET
μP
LOW LINE WDO
SYSTEM STATUS INDICATORS
NO
CONNECTION
0.47F*
1N4148
*MaxCap
614
Typical Operating Circuit
19-0094; Rev 11; 8/08
MaxCap is a registered trademark of Kanthal Globar, Inc.
Ordering Information continued on last page.
*
Dice are specified at TA = +25°C, DC parameters only.
Devices in PDIP, SO, and TSSOP packages are available in both
leaded and lead-free packaging. Specify lead free by adding
the + symbol at the end of the part number when ordering.
Lead free not available for CERDIP package.
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
Ordering Information
PART
TEMP RANGE
PIN-
PACKAGE
MAX691ACUE
-0°C to +70°C
16 TSSOP
MAX691ACSE
-0°C to +70°C
16 Narrow SO
MAX691ACWE
-0°C to +70°C
16 Wide SO
MAX691ACPE
-0°C to +70°C
16 Plastic DIP
MAX691AC/D
-0°C to +70°C
Dice*
MAX691AEUE
-0°C to +70°C
16 TSSOP
MAX691AESE
-40°C to +85°C
16 Narrow SO
MAX691AEWE
-40°C to +85°C
16 Wide SO
MAX691AEPE
-40°C to +85°C
16 Plastic DIP


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