TS556 datasheet, PDF - EEWORLD Datasheet

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TS556: DescriptionLOW POWER DUAL CMOS TIMER; File Size92KB，11 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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TS556 Overview

LOW POWER DUAL CMOS TIMER

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TS556

LOW POWER DUAL CMOS TIMER

VERY LOW POWER CONSUMPTION :

220 µA typ at V

= 5V

180 µA typ at V

= 3V

HIGH MAXIMUM ASTABLE FREQUENCY

2.7MHz

PIN-TO-PIN AND FUNCTIONALLY

COMPATIBLE WITH BIPOLAR NE556

WIDE VOLTAGE RANGE : +2V to +16V

HIGH OUTPUT CURRENT CAPABILITY

SUPPLY CURRENT SPIKES REDUCED

DURING OUTPUT TRANSITIONS

HIGH INPUT IMPEDANCE : 10

Ω

OUTPUT COMPATIBLE WITH TTL,CMOS

AND LOGIC MOS

DIP14

(Plastic Package)

DESCRIPTION

The TS556 is a dual CMOS timer which offers

very low consumption (I

cc(TYP)

TS556 = 220µA at

=+5V versus I

cc(TYP)

NE556 = 6mA) and high

frequency f

f(max.)

TS556 = 2.7MHz versus f

(max.

)

NE556 = 0.1 MHz)

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

Ω).

ORDER CODES

Package

Part Number

TS556C

TS556I

TS556M

Temperature Range

0°C, +70°C

-40°C, +125°C

-55°C, +125°C

•

SO14

(Plastic Micropackage)

PIN CONNECTIONS

(top view)

Discharge

Threshold

Control

Voltage

Reset

Output

Trigger

GND

Discharge

Threshold

Control

Voltage

Reset

Output

Trigger

N =

Dual in Line Package (DIP)

D =

Small Outline Package (SO) - also available in Tape & Reel (DT)

February 2003

1/11

TS556 Related Products

	TS556	TS556M	TS556I	TS556C
Description	LOW POWER DUAL CMOS TIMER	LOW POWER DUAL CMOS TIMER	LOW POWER DUAL CMOS TIMER	LOW POWER DUAL CMOS TIMER

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