ds1233dz-5t-r Maxim Integrated Products, Inc., ds1233dz-5t-r Datasheet
ds1233dz-5t-r
Manufacturer Part Number
ds1233dz-5t-r
Description
Ds1233d 5v Econoreset
Manufacturer
Maxim Integrated Products, Inc.
Datasheet
1.DS1233DZ-5T-R.pdf
(5 pages)
FEATURES
§ Automatically restarts microprocessor after
§ Maintains reset for 350 ms after V
§ Accurate 5%, 10% or 15% microprocessor 5V
§ Reduces need for discrete components
§ Precision temperature-compensated voltage
§ Low-cost TO-92 package or surface mount
§ Internal 5 kW pull-up resistor
§ Compatible with Motorola 68XXX series and
§ Operating temperature of -40°C to +85°C
DESCRIPTION
The DS1233D EconoReset uses a precision temperature-compensated reference and comparator circuit to
monitor the status of the power supply (V
power-fail signal is generated which forces reset to the active state. When V
condition, the reset signal is kept in the active state for approximately 350 ms to allow the power supply
and processor to stabilize.
OPERATION - POWER MONITOR
The DS1233D provides the functions of detecting out-of-tolerance power supply conditions and warning
a processor-based system of impending power failure. When V
defined by the tolerance of the part selected, the
for approximately 350 ms after the power supply has reached the selected tolerance. This allows the
power supply and microprocessor to stabilize before
www.maxim-ic.com
power failure
to an in-tolerance condition
power supply monitoring
reference and voltage sensor
SOT-223 package
HC16 Microprocessors
CC
returns
CC
). When an out-of-tolerance condition is detected, an internal
RST
1 of 5
RST
signal is asserted. On power-up,
PIN ASSIGNMENT
PIN DESCRIPTION
PIN 1
PIN 2
PIN 3
PIN 4
is released.
TO-92 PACKAGE
Drawings Section
BOTTOM VIEW
On Website
See Mech.
DALLAS
1 2 3
1 2 3
DS1233
Econo
Reset
CC
GROUND
V
GROUND (SOT-223 ONLY)
RESET
is detected as out of tolerance as
CC
CC
5V EconoReset
returns to an in-tolerance
SOT-23 PACKAGE
Drawings Section
2
TOP VIEW
On Website
See Mech.
RST
1
4
DS1233D
3
is kept active
041002
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ds1233dz-5t-r Summary of contents
Page 1
FEATURES § Automatically restarts microprocessor after power failure § Maintains reset for 350 ms after in-tolerance condition § Accurate 5%, 10% or 15% microprocessor 5V power supply monitoring § Reduces need for discrete components § Precision ...
Page 2
BLOCK DIAGRAM Figure 1 APPLICATION EXAMPLE Figure ...
Page 3
POWER UP Figure 3 POWER DOWN Figure ...
Page 4
ABSOLUTE MAXIMUM RATINGS* Voltage on V Pin Relative to Ground CC Voltage on I/O Relative to Ground Operating Temperature Storage Temperature Soldering Temperature * This is a stress rating only and functional operation of the device at these or any ...
Page 5
ECONORESET SELECTION GUIDE DS1233-15 DS1233-10 DS1233-5 DS1233D-15 5V DS1233D-10 DS1233D-5 DS1833-15 DS1833-10 DS1833-5 DS1233A-15 3.3V DS1233A-10 VCC TRIP POINT MIN TYP MAX 4.0 4.125 4.24 4.25 4.375 4.49 4.5 4.625 4.75 4.0 4.125 4.24 4.25 4.375 4.49 4.5 4.625 4.75 ...