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  • The TS556 is a dual CMOS timer which offers a very low consumption: (Icc(TYP)TS556 = 220 μA at VCC = 5 V versus Icc(TYP) NE556(a)= 6 mA),

    and high frequency:(f(max.)TS556 = 2.7 MHz versus f(max.)NE556(a)= 0.1 MHz)
    In both monostable and astable modes, timing 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(a).
    Due to the high input impedance (1012 Ω), timing capacitors can also be minimized.

    Key Features

    • Very low power consumption:
      • 220 μA typ at VCC= 5 V
      • 180 μA typ at VCC= 3 V
    • High maximum astable frequency 2.7 MHz
    • Pin-to-pin and functionally compatible with bipolar NE5561
    • Wide voltage range: 2 V to 16 V
    • Supply current spikes reduced during output transitions
    • High input impedance: 1012Ω
    • Output compatible with TTL, CMOS and logic MOS

Circuit Diagram

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Part Number
Package
Packing Type
Temperature (°C) Marketing Status
Budgetary Price (US$)*
Quantity
ECCN (US)
More info
Order from Distributors
Order from ST
min
max
TS556IDTTR SO-14 Tape And Reel -40 125
Active
1000 EAR99
MORE INFO

Country of Origin:

MOROCCO

Check Availability

Distributor availability ofTS556IDTTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2827 1 Order Now
Newark Element14 AMERICA 457 0 Order Now
ARROW AMERICA 2500 2500 Order Now
MOUSER WORLDWIDE 19204 1 Order Now
Farnell Element14 EUROPE 2041 1 Order Now

Distributor reported inventory date: 2019-04-11

Distributor Name

DIGIKEY

Stock

2827

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

457

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

2500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

19204

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2041

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-04-11

Buy direct

TS556IDTTR

Package

SO-14

Packing Type

Tape And Reel

Unit Price (US$)

*

Distributor availability ofTS556IDTTR

Distributor Name
Region Stock Min. Order Third party link
DIGIKEY WORLDWIDE 2827 1 Order Now
Newark Element14 AMERICA 457 0 Order Now
ARROW AMERICA 2500 2500 Order Now
MOUSER WORLDWIDE 19204 1 Order Now
Farnell Element14 EUROPE 2041 1 Order Now

Distributor reported inventory date: 2019-04-11

Distributor Name

DIGIKEY

Stock

2827

Min.Order

1

Region

WORLDWIDE Order Now

Newark Element14

Stock

457

Min.Order

0

Region

AMERICA Order Now

ARROW

Stock

2500

Min.Order

2500

Region

AMERICA Order Now

MOUSER

Stock

19204

Min.Order

1

Region

WORLDWIDE Order Now

Farnell Element14

Stock

2041

Min.Order

1

Region

EUROPE Order Now

Distributor reported inventory date: 2019-04-11

Operating Temperature (°C)

(min)

-40

(max)

125

Marketing Status

Active

Unit Price (US$)

-

Quantity

1000

ECCN (US)

EAR99

Country of Origin

MOROCCO

(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office  or our Distributors

00 Files selected for download

Technical Documentation

    • Description Version Size Action
      DS0837
      Low-power dual CMOS timer
      3.0
      578.44 KB
      PDF
      DS0837

      Low-power dual CMOS timer

Publications and Collaterals

    • Description Version Size Action
      Products and solutions for Smart industry 3.0
      2.99 MB
      PDF

      Products and solutions for Smart industry

Part Number Marketing Status Package Grade RoHS Compliance Grade Material Declaration**
TS556IDTTR
Active
SO-14 Industrial Ecopack3

TS556IDTTR

Package:

SO-14

Material Declaration**:

Marketing Status

Active

Package

SO-14

Grade

Industrial

RoHS Compliance Grade

Ecopack3

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.