TS834_01 STMICROELECTRONICS [STMicroelectronics], TS834_01 Datasheet

no-image

TS834_01

Manufacturer Part Number
TS834_01
Description
MICROPOWER VOLTAGE SUPERVISOR RESET ACTIVE LOW OR HIGH INTEGRATED TIMER
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
DESCRIPTION
The TS834 is a voltage supervisor providing two
different outputs (one active low and one active
high) with an integrated timer that can be dis-
abled.
It incorporates a high stability bandgap voltage
reference and a comparator with open drain out-
put.
The threshold voltage is set at 4.33V by internal
thermally matched resistors.
The comparator exhibits a 20 s response (with
10mV overdrive).
An internal hysteresis of 100mV increases the
comparator noise margin and prevents false reset
operation.
APPLICATION
January 2001
ULTRA LOW POWER CONSUMPTION :
12 A max.
BOTH ACTIVE HIGH AND ACTIVE LOW
OUTPUTS
RESET TIMER WITH DISABLE FUNCTION
PRECISION RESET THRESHOLD (guaran-
teed over Temperature)
4.33V typ. THRESHOLD VOLTAGE
GUARANTEED RESET OPERATION DOWN
TO 1.5V
OPEN DRAIN OUTPUT WITH
Vol = 450mV typ.
FAST RESPONSE TIME : 20 s FOR A 10mV
OVERDRIVE
100mV INTERNAL HYSTERESIS
Computers
Microcontrollers
Microprocessor systems
Intelligent instruments
Power failure detection
RESET ACTIVE LOW OR HIGH INTEGRATED TIMER
@
V
CC
@
= 5V
Iol = 8mA & V
MICROPOWER VOLTAGE SUPERVISOR
CC
= 4V
ORDER CODE
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
P = Thin Shrink Small Outline Package (TSSOP) - only available
PIN CONNECTIONS (top view)
TS834-5I
Part Number
in Tape & Reel (PT)
(Thin Shrink Small Outline Package)
(Plastic Micropackage)
Temperature Range
-40, +85°C
TSSOP8
SO8
D
P
TS834
D
Package
P
1/7

Related parts for TS834_01

TS834_01 Summary of contents

Page 1

RESET ACTIVE LOW OR HIGH INTEGRATED TIMER ULTRA LOW POWER CONSUMPTION : 12 A max BOTH ACTIVE HIGH AND ACTIVE LOW OUTPUTS RESET TIMER WITH DISABLE FUNCTION PRECISION RESET THRESHOLD (guaran- teed over Temperature) 4.33V ...

Page 2

TS834 ABSOLUTE MAXIMUM RATINGS Symbol 1) V Supply Voltage CC V Output Voltage - See note 1 out I Output Current out 2) Pd Power Dissipation T Operating Free Air Temperature Range oper T Storage Temperature stg 1. All voltages ...

Page 3

TIMING DIAGRAMS All the timung diagrams are given with outputs loaded Active Low Reset, Timer Enabled Active Low Reset, Timer Disabled resistors Active High Reset, Timer Enabled Active High Reset, Timer Disabled TS834 3/7 ...

Page 4

TS834 Voltage Threshold (Vthi) vs Temperature Current Consumption vs Temperature Timer Period (trst) vs Temperature 4/7 Vol vs Temperature Output Voltage vs Input Output Voltage vs Input ...

Page 5

Vol vs Isink Schematic to Measure Vol vs Isink Vcc Vcc=4V TS834 Reset Vin Reset Gnd Vcc=5V Vcc TS834 Reset Vin Reset Gnd Reset High After V Reset Low After V Isink Reset =low Isink Reset=low TS834 Tansition (timer disabled) ...

Page 6

PACKAGE MECHANICAL DATA 8 PINS - PLASTIC MICROPACKAGE (SO) Dim. Min 0 0.65 b 0.35 b1 0. 4 3 Millimeters Typ. Max. 1.75 ...

Page 7

TS834 PACKAGE MECHANICAL DATA 8 PINS - THIN SHRINK SMALL OUTLINE PACKAGE Dim. Min 0.05 A2 0.80 b 0.19 c 0. 0° l 0.50 L 0.45 L1 Information furnished is believed ...

Related keywords