TS555C STMicroelectronics, TS555C Datasheet

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TS555C

Manufacturer Part Number
TS555C
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 (Icc
Icc
(f
Thus, either in Monostable or Astable mode, timing
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
January 1999
(max.)
VERY LOW POWER CONSUMPTION :
100 A typ at V
HIGH MAXIMUM ASTABLE FREQUENCY
2.7MHz
PIN-TO-PIN AND FUNCTIONALLY
COMPATIBLE WITH BIPOLAR NE555
VOLTAGE RANGE : +2V to +18V
HIGH OUTPUT CURRENT CAPABILITY
SUPPLY
DURING OUTPUT TRANSITIONS
HIGH INPUT IMPEDANCE : 10
OUTPUT COMPATIBLE WITH TTL,CMOS
AND LOGIC MOS
(TYP)
TS555 = 2.7MHz - f
NE555 = 3mA) and high frequency
CURRENT
CC
= 5V
12
(TYP)
(max.)
SPIKES
).
TS555 = 100 A
NE555 = 0.1 MHz)
12
REDUCED
LOW POWER SINGLE CMOS TIMERS
PIN CONNECTIONS (top view)
ORDER CODES
TS555C
TS555I
TS555M
Examples : TS555CD , TS555IN
Part Number
(Plastic Package)
Trigger
Output
Reset
GND
(Thin Shrink Small Outline Package)
DIP8
N
1
2
3
4
TSSOP8
Temperature
-40, +125
-55, +125
0
o
P
C, +70
Range
TS555C,I,M
(Plastic Micropackage)
8
7
6
5
o
o
o
C
C
C
V
Discharge
Threshold
Control
Voltage
SO8
CC
D
N
Package
D
1/12
P

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TS555C Summary of contents

Page 1

... January 1999 LOW POWER SINGLE CMOS TIMERS N DIP8 (Plastic Package) REDUCED (Thin Shrink Small Outline Package) ORDER CODES Part Number TS555C TS555I TS555M Examples : TS555CD , TS555IN PIN CONNECTIONS (top view) GND 1 Trigger 2 Output 3 Reset 4 TS555C,I,M D SO8 (Plastic Micropackage) ...

Page 2

... THRESHOLD x x Low x High High High Low Min voltage specified Max voltage specified Value +18 +150 Value TS555C 0 to +70 TS555I -40 to +125 TS555M -55 to +125 -65 to +150 Output 3 Dis charge 7 OUTPUT Low High Low Previous State Unit Unit o C ...

Page 3

... SCHEMATIC DIAGRAM TS555C,I,M 3/12 ...

Page 4

... Reset Voltage reset amb min amb max I Reset Current reset I Discharge Pin Leakage Current dis 4/12 Parameter (unless otherwise specified) CC Parameter = 1mA) dis = 1mA) = -0.3mA) Value Unit +2 to +16 V TS555C-TS555I-TS555M Unit Min. Typ Max 200 200 V 1.2 1.3 1.4 1.1 1.5 V 0.05 0.2 0.25 V 0.1 0.3 0.35 V 1.5 1.9 1.5 V 0.4 0.67 0.95 0.3 1.05 10 ...

Page 5

... I Threshold Current TH V Reset Voltage reset amb min amb max I Reset Current reset I Discharge Pin Leakage Current dis (unless otherwise specified) CC Parameter = 10mA) dis = 8mA) = -2mA) TS555C,I,M TS555C-TS555I-TS555M Unit Min. Typ Max. A 110 250 250 V 2.9 3.3 3.8 2.8 3.9 V 0.2 0.3 0.35 V 0.3 0.6 0.8 V 4.4 4.6 4.4 V 1.36 1.67 1.96 1.26 2.06 10 ...

Page 6

... Threshold Current TH V Reset Voltage reset amb min amb max I Reset Current reset I Discharge Pin Leakage Current dis 6/12 (unless otherwise specified) CC Parameter = 80mA) dis = 50mA) = -10mA) TS555C-TS555I-TS555M Unit Min. Typ Max. A 170 400 400 V 7.4 8 8.6 7.3 8.7 V 0.09 1.6 2.0 V 1.2 2 2.8 V 10.5 11 10.5 V 3.2 4 4.8 3.1 4 ...

Page 7

... Notes : 1. See Figure 2 2. See Figure +12V +/- 12V to+ 12V CC = 10pF) load = 10pF) loa 5V 5V) trig TS555C,I,M TS555C-TS555I-TS555M Unit Min Typ Max % %/V 0.38 ppm MHz 2 %/V 0 100 ns 350 ns 7/12 ...

Page 8

... TS555C,I,M TYPICAL CHARACTERISTICS Figure 1 : Supply Current (each timer) versus Supply Voltage 300 200 100 SUPPLY VOLTAGE APPLICATION INFORMATION MONOSTABLE OPERATION In the monostable mode,the timer functions as a one-shot. Referring to figure 2 the external capaci- tor is initially held discharged by a transistor inside the timer ...

Page 9

... 0.693 (R The frequency of oscillation is then : . As in the The duty cycle is given Figure 0 div OUTPUT VOLTAGE = 5.0V/div CAPACITOR VOLTAGE = 1.0V/div TS555C,I 9/12 ...

Page 10

... TS555C,I,M PACKAGE MECHANICAL DATA 8 PINS - PLASTIC DIP Millimeters Dimensions Min. Typ. A 3.32 a1 0.51 B 1.15 b 0.356 b1 0.204 D E 7.95 e 2.54 e3 7. 3.18 Z 10/12 Inches Max. Min. Typ. 0.131 0.020 1.65 0.045 0.55 0.014 0.304 0.008 10.92 9.75 0.313 0.100 0.300 0.300 6.6 5.08 3.81 0.125 1.52 Max. 0.065 0.022 0.012 0.430 0.384 0260 ...

Page 11

... 0.65 b 0.35 b1 0. 4.8 E 5.8 e 1.27 e3 3.81 F 3 Inches Max. Min. Typ. 1.75 0.25 0.004 1.65 0.85 0.026 0.48 0.014 0.25 0.007 0.5 0.010 o 45 (typ.) 5.0 0.189 6.2 0.228 0.050 0.150 4.0 0.150 1.27 0.016 0 (max.) TS555C,I,M 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

... TS555C,I,M PACKAGE MECHANICAL DATA 8 PINS - THIN SHRINK SMALL OUTLINE PACKAGE Millimeters Dim. Min. Typ 0.05 A2 0.80 1.00 b 0.19 c 0.09 D 2.90 3.00 E 6.40 E1 4.30 4. 0.50 0.60 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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