TS556ID datasheet(1/11 Pages) STMICROELECTRONICS

Numer części	TS556ID

Szczegółowy opis	LOW POWER DUAL CMOS TIMERS

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Producent	STMICROELECTRONICS [STMicroelectronics]

Strona internetowa	http://www.st.com

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1 / 11 page

TS556C,I,M

LOW POWER DUAL CMOS TIMERS

October 1997

.

VERY LOW POWER CONSUMPTION :

.

100

µA typ at VCC =5V

.

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

CURRENT

SPIKES

REDUCED

DURING OUTPUT TRANSITIONS

.

HIGH INPUT IMPEDANCE : 10

12 Ω

.

OUTPUT COMPATIBLE WITH TTL,CMOS

AND LOGIC MOS

N

DIP14

(Plastic Package)

D

SO14

(Plastic Micropackage)

Control

Voltage

1

2

3

4

5

6

7

14

13

12

11

10

9

8

Discharge

Threshold

Reset

Output

Trigger

GND

Control

Voltage

+V

Discharge

Threshold

Reset

Output

Trigger

S

PIN CONNECTIONS (top view)

ORDER CODES

Part Number

Temperature

Range

Package

ND

TS556C

0

oC, +70oC

qq

TS556I

-40, +125

oC

qq

TS556M

-55, +125

oC

qq

Examples : TS556CD , TS556IN

DESCRIPTION

The TS556 is a dual CMOS timer which offers very

low consumption (Icc(TYP) TS556 = 200

µA

Icc(TYP) NE556 = 6mA) and high frequency

(f(max.) TS556 = 2.7MHz - 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

12 Ω).

1/11

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