TS556M STMICROELECTRONICS [STMicroelectronics], TS556M Datasheet

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TS556M

Manufacturer Part Number
TS556M
Description
LOW POWER DUAL CMOS TIMERS
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet

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Manufacturer:
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DESCRIPTION
The TS556 is a dual CMOS timer which offers very
low consumption (Icc
Icc
(f
Thus, either in Monostable or Astable mode, tim-
ing remains very accurate.
The TS556 provides reduced supply current
spikes during output transitions, which enables
the use of lower decoupling capacitors compared
to those required by bipolar NE556.
Timing capacitors can also be minimized due to
high input impedance (10
October 1997
(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)
TS556 = 2.7MHz - f
NE556 = 6mA) and high frequency
CURRENT
CC
= 5V
(TYP)
12
(max.)
TS556 = 200 A
SPIKES
).
NE556 = 0.1 MHz)
12
REDUCED
LOW POWER DUAL CMOS TIMERS
PIN CONNECTIONS (top view)
ORDER CODES
TS556C
TS556I
TS556M
Examples : TS556CD , TS556IN
Discharge
Threshold
Part Number
Voltage
Control
Trigger
Output
(Plastic Package)
Reset
GND
DIP14
N
1
2
3
4
5
6
7
Temperature
-40, +125
-55, +125
0
o
C, +70
Range
TS556C,I,M
(Plastic Micropackage)
14
13
12
11
10
o
o
o
C
9
8
C
C
SO14
D
+V
Discharge
Threshold
Reset
Output
Trigger
Control
Voltage
S
Package
N
D
1/11

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TS556M Summary of contents

Page 1

... Timing capacitors can also be minimized due to 12 high input impedance (10 ). October 1997 LOW POWER DUAL CMOS TIMERS REDUCED N DIP14 (Plastic Package) ORDER CODES Part Number TS556C TS556I TS556M Examples : TS556CD , TS556IN PIN CONNECTIONS (top view) Discharge 1 Threshold 2 Control 3 Voltage Reset 4 Output 5 ...

Page 2

... THRESHOLD x x Low x High High High Low Min voltage specified Max voltage specified Value +18 +150 Value TS556C 0 to +70 TS556I -40 to +125 TS556M -55 to +125 -65 to +150 Output Dis charge OUTPUT Low High Low Previous State Unit Unit ...

Page 3

SCHEMATIC DIAGRAM (1/2 TS556) TS556C,I,M 3/11 ...

Page 4

... Reset Voltage reset amb min amb max I Reset Current reset i Discharge Pin Leakage Current dis 4/11 Parameter (unless otherwise specified) CC Parameter = 1mA) dis = 1mA) = -0.3mA) Value Unit +2 to +16 V TS556C-TS556I-TS556M Unit Min. Typ Max. A 130 400 400 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) TS556C,I,M TS556C-TS556I-TS556M Unit Min. Typ Max. A 220 500 500 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 6/11 (unless otherwise specified) CC Parameter = 80mA) dis = 50mA) = -10mA) TS556C-TS556I-TS556M Unit Min. Typ Max. A 340 800 800 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 TS556C,I,M TS556C-TS556I-TS556M Unit Min Typ Max % %/V 0.38 ppm MHz 2 %/V 0 100 ns 350 ns 7/11 ...

Page 8

TS556C,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 ...

Page 9

ASTABLE OPERATION When the circuit is connected as shown in figure 4 it triggers itself and free runs as a multivibrator. The external capacitor charges through R discharges through R only. Thus the duty cycle B may be precisely set ...

Page 10

TS556C,I,M PACKAGE MECHANICAL DATA 14 PINS - PLASTIC DIP Millimeters Dimensions Min. Typ. a1 0. 2.54 e3 15. 1.27 10/11 Max. Min. 0.020 1.65 0.055 0.5 20 8.5 ...

Page 11

PACKAGE MECHANICAL DATA 14 PINS - PLASTIC MICROPACKAGE (SO) Millimeters Dimensions Min. Typ 0 0. 8.55 E 5.8 e 1.27 e3 7.62 F 3.8 G 4 Information ...

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