Datasheet Texas Instruments SN74LS28

Manufacturer	Texas Instruments
Series	SN74LS28

Quad 2-input Positive-NOR buffers

Datasheets

	SN74LS28D	SN74LS28DR	SN74LS28N	SN74LS28N3
Lifecycle Status	Obsolete (Manufacturer has discontinued the production of the device)	Obsolete (Manufacturer has discontinued the production of the device)	Obsolete (Manufacturer has discontinued the production of the device)	Obsolete (Manufacturer has discontinued the production of the device)
Manufacture's Sample Availability	No	No	No	No

	SN74LS28D	SN74LS28DR	SN74LS28N	SN74LS28N3
N	1	2	3	4
Pin	14	14	14	14
Package Type	D	D	N	N
Industry STD Term	SOIC	SOIC	PDIP	PDIP
JEDEC Code	R-PDSO-G	R-PDSO-G	R-PDIP-T	R-PDIP-T
Width (mm)	3.91	3.91	6.35	6.35
Length (mm)	8.65	8.65	19.3	19.3
Thickness (mm)	1.58	1.58	3.9	3.9
Pitch (mm)	1.27	1.27	2.54	2.54
Max Height (mm)	1.75	1.75	5.08	5.08
Mechanical Data	Download	Download	Download	Download

	SN74LS28D	SN74LS28DR	SN74LS28N	SN74LS28N3
RoHS	Not Compliant	Not Compliant	Not Compliant	Not Compliant
Pb Free	No	No	No	No

Download
Designing with the SN54/74LS123 (Rev. A)
PDF, 118 Kb, Revision: A, File published: Mar 1, 1997
The Texas Instruments (TI) SN54/74LS123 dual retriggerable monostable multivibrator is a one-shot device capable of verylong output pulses and up to 100% duty cycle. The ?LS123 also features dc triggering from gated low-level active A andhigh-level active B inputs and provides a clear input that terminates the output pulse of any predetermined time independentof timing components R ext and

Series: SN74LS28 (4)