Rochester Electronics has several brands around the world that distributors may use as alternate names. Rochester Electronics may also be known as the following names:

Rochester Electronics LLC
ROCHESTER
ROCHESTER ELECTRONIC
ROCHESTER ELECTRONICS INC
ONSEMI (VIA ROCHESTER)
Rochester Electron
ROCHESTER(REI)
ROCHESTER INSTRUMENT
REI
Triscend Corp
NFROCHESTER
ROCHESTER ELECT INC
Rochester(Intersil)
Rochester Elec

Inventory History

Inventory history trend unavailable

CAD Models

0 models available

Alternate Parts

0 parts available

Technical Specifications

Physical

Case/PackageDIP

Number of Pins16

Number of Terminals16

Technical

Max Operating Temperature70 °C

Max Supply Voltage5.25 V

Min Operating Temperature0 °C

Min Supply Voltage4.75 V

Nominal Supply Current4.7 mA

Nominal Supply Voltage (DC)5 V

Number of Bits2

Number of Circuits2

Output Current8 mA

Propagation Delay80 ns

Rise Time15 ns

Temperature GradeCommercial

Dimensions

Height - Seated (Max)4.44 mm

Length19.175 mm

Terminal Pitch2.54 mm

Width7.62 mm

Datasheets & Documents

Download datasheets and manufacturer documentation for Rochester Electronics SN74LS221N.

IHS

Datasheet8 pages20 years ago

Compliance

Environmental Classification

China RoHSNon-Compliant

Lead FreeLead Free

REACH SVHCUnaffected

RoHSNon-Compliant