ts555 STMicroelectronics, ts555 Datasheet

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ts555

Manufacturer Part Number
ts555
Description
Low Power Single Cmos Timers
Manufacturer
STMicroelectronics
Datasheet

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DESCRIPTION
The TS555 is a single CMOS timer which offers
very low consumption (I
V
frequency f
NE555 = 0.1 MHz)
Thus, either in Monostable or Astable mode, tim-
ing remains very accurate.
The TS555 provides reduced supply current
spikes during output transitions, which enables
the use of lower decoupling capacitors compared
to those required by bipolar NE555.
Timing capacitors can also be minimized due to
high input impedance (10
ORDER CODES
N = Dual in Line Package (DIP)
D = Small Outline Package (SO) - also available in Tape & Reel (DT)
P = Thin Shrink Small Outline Package (TSSOP) - only available
February 2003
TS555C
TS555I
TS555M
Part Number
CC
in Tape & Reel (PT)
VERY LOW POWER CONSUMPTION :
110 µA typ at V
HIGH MAXIMUM ASTABLE FREQUENCY
2.7MHz
PIN-TO-PIN AND FUNCTIONALLY
COMPATIBLE WITH BIPOLAR NE555
WIDE VOLTAGE RANGE : +2V to +16V
HIGH OUTPUT CURRENT CAPABILITY
SUPPLY CURRENT SPIKES REDUCED
DURING OUTPUT TRANSITIONS
HIGH INPUT IMPEDANCE : 10
OUTPUT COMPATIBLE WITH TTL,CMOS
AND LOGIC MOS
=+5V versus I
90 µA typ at V
f(max.)
Temperature Range
TS555 = 2.7MHz versus f
CC
cc(TYP)
-40°C, +125°C
-55°C, +125°C
CC
0°C, +70°C
= 5V
= 3V
NE555 = 3mA) and high
cc(TYP)
12
).
TS555 = 110µA at
12
N
Package
LOW POWER SINGLE CMOS TIMER
D
(max.
P
)
PIN CONNECTIONS (top view)
Trigger
Output
Reset
GND
(Thin Shrink Small Outline Package)
(Plastic Micropackage)
1
2
3
4
(Plastic Package)
TSSOP8
SO8
DIP8
D
N
P
8
7
6
5
V
Discharge
Threshold
Control
Voltage
CC
TS555
1/12

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ts555 Summary of contents

Page 1

... HIGH OUTPUT CURRENT CAPABILITY SUPPLY CURRENT SPIKES REDUCED DURING OUTPUT TRANSITIONS HIGH INPUT IMPEDANCE : 10 OUTPUT COMPATIBLE WITH TTL,CMOS AND LOGIC MOS DESCRIPTION The TS555 is a single CMOS timer which offers very low consumption (I cc(TYP) V =+5V versus I NE555 = 3mA) and high CC cc(TYP) frequency f TS555 = 2 ...

Page 2

... THRESHOLD x Low High High Min voltage specificed Max voltage specificed Parameter 1) DIP8 SO8 TSSOP8 o C/W for DIP8 package o C/W for SO8 package o C/W for TSSOP8 package Parameter TS555 3 Output Discharge 7 OUTPUT x Low x High High Low Low Previous State Value +18 +150 -65 to +150 1250 715 ...

Page 3

... SCHEMATIC DIAGRAM TS555 3/12 ...

Page 4

... TS555 STATIC ELECTRICAL CHARACTERISTICS V = +2V +25°C, Reset amb Symbol Supply Current (no load, High and Low States min. amb Control Voltage Level min. amb Discharge Saturation Voltage (I V DIS T T min. amb I Discharge Pin Leakage Current ...

Page 5

... + 10pF) = 10pF) = +3V) trig Min. Typ. Max. 90 230 230 1.8 2 2.2 1.7 2.3 0.05 0.2 0.25 1 100 0.1 0.3 0.35 2.5 2.9 2.5 0.9 1 1.1 0.8 1 0.4 1.1 1.5 0.3 2.0 10 Min. Typ. 1 =+2V 1 =+ 100 350 TS555 Unit µ Max. Unit % %/V ppm/°C MHz % %/ 5/12 ...

Page 6

... TS555 STATIC ELECTRICAL CHARACTERISTICS V = +5V +25°C, Reset amb Symbol Supply Current (no load, High and Low States min. amb Control Voltage Level min. amb Discharge Saturation Voltage (I V DIS T T min. amb I Discharge Pin Leakage Current ...

Page 7

... max 200 , C = 200pF + +12V +12V CC Min. Typ. Max. 170 400 400 7.4 8 8.6 7.3 8.7 0.09 1.5 2.0 1 100 1.2 2 2.8 10.5 11 10.5 3.2 4 4.8 3.1 4 0.4 1.1 1.5 0.3 2.0 10 Min. Typ. Max 0.38 75 2.7 3 0.1 TS555 Unit µ Unit % %/V ppm/°C MHz % %/V 7/12 ...

Page 8

... Figure Reset 8 4 Trigger 2 TS555 Out 3 1 8/12 The circuit triggers on a negative-going input sig- nal when the level reaches 1/3 V gered, the circuit remains in this state until the set time has elapsed, even triggered again dur- ing this interval ...

Page 9

... The frequency of oscillation is then : and 2 The duty cycle is given --------------------------- R A Figure 1.44 ------------------------------------- - ( 0 div OUTPUT VOLTAGE = 5.0V/div CAPACITOR VOLTAGE = 1.0V/div TS555 9/12 ...

Page 10

... TS555 PACKAGE MECHANICAL DATA 8 PINS - PLASTIC DIP Dimensions Min 0.51 B 1.15 b 0.356 b1 0.204 3.18 Z 10/12 Millimeters Typ. Max. 3.32 1.65 0.55 0.304 10.92 9.75 2.54 7.62 7.62 6.6 5.08 3.81 1.52 Inches Min. Typ. 0.131 0.020 0.045 0.014 0.008 0.313 0.100 0.300 0.300 0.125 Max. 0.065 0.022 0.012 0.430 0.384 0260 ...

Page 11

... Millimeters Typ. Max. 1.75 0.25 1.65 0.85 0.48 0.25 0.5 45° (typ.) 5.0 6.2 1.27 3.81 4.0 1.27 0.6 8° (max Inches Min. Typ. 0.004 0.026 0.014 0.007 0.010 0.189 0.228 0.050 0.150 0.150 0.016 TS555 Max. 0.069 0.010 0.065 0.033 0.019 0.010 0.020 0.197 0.244 0.157 0.050 0.024 11/12 ...

Page 12

... TS555 PACKAGE MECHANICAL DATA 8 PINS - THIN SHRINK SMALL OUTLINE PACKAGE Dimensions Min 0.05 A2 0.80 b 0.19 c 0. 0° l 0.50 L 0.45 L1 Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use ...

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