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DS1233D-10+T&R-DS1233DZ-10-DS1233DZ-5-DS1233DZ-5/T&R Fast Delivery,Good Price
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Partno Mfg Dc Qty AvailableDescript
DS1233D-10+T&R |DS1233D10+T&RMAXIMN/a2000avai5V EconoReset
DS1233DZ-10 |DS1233DZ10N/a62avai5V EconoReset
DS1233DZ-10 |DS1233DZ10DALLASN/a12500avai5V EconoReset
DS1233DZ-5 |DS1233DZ5MAXIMN/a100avai5V EconoReset
DS1233DZ-5 |DS1233DZ5DALLASN/a2900avai5V EconoReset
DS1233DZ-5/T&R |DS1233DZ5T&RDSN/a164avai5V EconoReset


DS1233DZ-10 ,5V EconoResetPIN DESCRIPTIONPIN 1 GROUNDPIN 2 RESETPIN 3 VCCPIN 4 GROUND (SOT-223 ONLY)DESCRIPTIONThe DS1233D Ec ..
DS1233DZ-10 ,5V EconoResetDS1233D5V EconoReset
DS1233DZ-5 ,5V EconoResetDS1233D5V EconoReset
DS1233DZ-5 ,5V EconoResetPIN DESCRIPTIONPIN 1 GROUNDPIN 2 RESETPIN 3 VCCPIN 4 GROUND (SOT-223 ONLY)DESCRIPTIONThe DS1233D Ec ..
DS1233DZ-5/T&R ,5V EconoResetFEATURES PIN ASSIGNMENT Automatically restarts microprocessor afterpower failure1DALLASDS1233 Mai ..
DS1233M-3 ,EconoResetPIN DESCRIPTIONSTO–921 RST – Active Low Reset Output2V – Power SupplyCC3 GND – Ground8–Pin SOICRST ..
DTA143ZUA T106 , PNP -100mA -50V Digital Transistors
DTA143ZUAT106 , PNP -100mA -50V Digital Transistors
DTA144E ,PNP SILICON BIAS RESISTOR TRANSISTORELECTRICAL CHARACTERISTICS (T = 25°C unless otherwise noted)ACharacteristic Symbol Min Typ Max Unit ..
DTA144EE ,Pre-biased TransistorsFeaturesBASE(INPUT)• Pb−Free Packages are Available* R2• Simplifies Circuit DesignPIN 2• Reduces Bo ..
DTA144EET1 ,Bias Resistor TransistorELECTRICAL CHARACTERISTICS (T = 25°C unless otherwise noted)ACharacteristic Symbol Min Typ Max Unit ..
DTA144EET1G , Digital Transistors (BRT) R1 = 47 k, R2 = 47 k


DS1233D-10+T&R-DS1233DZ-10-DS1233DZ-5-DS1233DZ-5/T&R
5V EconoReset
FEATURESAutomatically restarts microprocessor after
power failureMaintains reset for 350 ms after VCC returnsto an in-tolerance conditionAccurate 5%, 10% or 15% microprocessor 5V
power supply monitoringReduces need for discrete componentsPrecision temperature-compensated voltagereference and voltage sensorLow-cost TO-92 package or surface mount
SOT-223 packageInternal 5 k� pull-up resistorCompatible with Motorola 68XXX series andHC16 MicroprocessorsOperating temperature of -40°C to +85°C
PIN ASSIGNMENT
PIN DESCRIPTION

PIN 1GROUND
PIN 2RESETPIN 3VCC
PIN 4GROUND (SOT-223 ONLY)
DESCRIPTION

The DS1233D EconoReset uses a precision temperature-compensated reference and comparator circuit to
monitor the status of the power supply (VCC). When an out-of-tolerance condition is detected, an internal
power-fail signal is generated which forces reset to the active state. When VCC returns to an in-tolerance
condition, the reset signal is kept in the active state for approximately 350 ms to allow the power supplyand 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 VCC is detected as out of tolerance as
defined by the tolerance of the part selected, the RST signal is asserted. On power-up, RST is kept active
for approximately 350 ms after the power supply has reached the selected tolerance. This allows the
power supply and microprocessor to stabilize before RST is released.
DS1233D
5V EconoReset

1 2 3
1 2 3
BOTTOM VIEW
TO-92 PACKAGESee Mech.
Drawings SectionOn Website4
TOP VIEWSOT-23 PACKAGE
See Mech.
Drawings SectionOn Website
DS1233D
BLOCK DIAGRAM Figure 1
APPLICATION EXAMPLE Figure 2
DS1233D
POWER UP Figure 3
POWER DOWN Figure 4
DS1233D
ABSOLUTE MAXIMUM RATINGS*

Voltage on VCC Pin Relative to Ground -0.5V to +7.0V
Voltage on I/O Relative to Ground -0.5V to VCC +0.5V
Operating Temperature -40°C to +85°C
Storage Temperature -55°C to +125°C
Soldering Temperature 260°C for 10 secondsThis is a stress rating only and functional operation of the device at these or any other conditionsabove those indicated in the operation sections of this specification is not implied. Exposure to
absolute maximum rating conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS (-40�C to +85�C)
DC ELECTRICAL CHARACTERISTICS (-40�C to +85�C; VDD=5V � 10%)
AC ELECTRICAL CHARACTERISTICS (-40�C to +85�C; VCC=5V � 10%)
NOTES:

1. All voltages are referenced to ground.
2. A 1 k� external resistor may be required for proper operation of the microprocessor reset control
circuit.
DS1233D
ECONORESET SELECTION GUIDE
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