Gates - NOR Gates - SN74LS33

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Datasheet

Quadruple 2-Input Positive-NOR Buffers With Open-Collector Outputs (PDF 435 KB)
01 Mar 1988

	SN54LS33	SN74LS33
Voltage Nodes(V)	5	5
Vcc range(V)	4.5 to 5.5	4.75 to 5.25
Input Level	TTL	TTL
Output Level	TTL	TTL
Output Drive(mA)		- /24
No. of Gates	4	4
Static Current		8.7
tpd max(ns)		32
Rating	Military	Catalog
Technology Family	LS	LS
	Samples	Samples
	Inventory	Inventory

Other qualified versions of SN74LS33

Version	Part Number	Definition
Military	SN54LS33	QML certified for Military and Defense Applications

Customers Who Evaluated This Product Also Evaluated

SN74LS02: Quad 2-input positive-NOR gates
SN54LS02: Quadruple 2-Input Positive-NOR Gates
SN74LVC02A: Quadruple 2-Input Positive-NOR Gate
SN74LS10: Triple 3-input positive-NAND gates
SN54LS10: Triple 3-Input Positive-NAND Gates
SN74LS20: Dual 4-input positive-NAND gates

More Related Products

Product Information

Features

Package Options Include Plastic “Small Outline" Packages, Ceramic Chip Carriers and Flat Packages, and Plastic and Ceramic DIPs
Dependable Texas Instruments Quality and Reliability

Description

These devices contain four independent 2-input NOR buffer gates with open-collector outputs. Open-collector outputs require resistive pull-up to perform logically but can deliver higher V_OH levels and are commonly used in wired-AND applications.

The SN5433 and SN54LS33 are characterized for operation over the full military temperature range of -55°C to 125°C. The SN7433, and SN74LS33 are characterized for operation from 0°C to 70°C.

Pricing / Packaging / CAD Design Tools / Samples

			Price	Packaging			CAD Design Tools	Samples
Device	Status	Temp (^oC)	Price \| Quantity	Package \| Pins	Top Side Marking	Package QTY \| Package Carrier	Footprints	Samples
SN74LS33D	ACTIVE	0 to 70	1.01 \| 1ku	SOIC (D) \| 14	View	50 \| TUBE	Purchase Samples
SN74LS33DE4	ACTIVE	0 to 70	1.01 \| 1ku	SOIC (D) \| 14	View	50 \| TUBE	Purchase Samples
SN74LS33DG4	ACTIVE	0 to 70	1.01 \| 1ku	SOIC (D) \| 14	View	50 \| TUBE	Purchase Samples
SN74LS33DR	ACTIVE	0 to 70	0.92 \| 1ku	SOIC (D) \| 14	View	2500 \| LARGE T&R	Purchase Samples
SN74LS33DRE4	ACTIVE	0 to 70	0.92 \| 1ku	SOIC (D) \| 14	View	2500 \| LARGE T&R	Purchase Samples
SN74LS33DRG4	ACTIVE	0 to 70	0.92 \| 1ku	SOIC (D) \| 14	View	2500 \| LARGE T&R	Purchase Samples
SN74LS33N	ACTIVE	0 to 70	0.92 \| 1ku	PDIP (N) \| 14	View	25 \| TUBE	Contact TI Distributor or Sales Office
SN74LS33N3	OBSOLETE	0 to 70		PDIP (N) \| 14	View		Not Available
SN74LS33NE4	ACTIVE	0 to 70	0.92 \| 1ku	PDIP (N) \| 14	View	25 \| TUBE	Purchase Samples
SN74LS33NSR	ACTIVE	0 to 70	0.92 \| 1ku	SO (NS) \| 14	View	2000 \| LARGE T&R	Purchase Samples
SN74LS33NSRE4	ACTIVE	0 to 70	0.92 \| 1ku	SO (NS) \| 14	View	2000 \| LARGE T&R	Purchase Samples
SN74LS33NSRG4	ACTIVE	0 to 70	0.92 \| 1ku	SO (NS) \| 14	View	2000 \| LARGE T&R	Purchase Samples

* Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For higher volume price quotes,prices in local currency or delivery quotes, please contact your local Texas Instruments Sales Office or Authorized Distributor.

Inventory

Reported Distributor Inventory as of 11:00 AM GMT, 25 Nov 2009
Region	Company	In Stock	Purchase
TI Lead Time*: 18 WeeksSN74LS33D
Americas	Arrow	466
Americas	Rochester Electronics	>1k
Asia	Farnell Asia	248
Europe	Farnell	248
Worldwide	DigiKey	Available
TI Lead Time*: 18 WeeksSN74LS33DE4
Worldwide	DigiKey	Available
TI Lead Time*: 18 WeeksSN74LS33DG4
Worldwide	DigiKey	Available
TI Lead Time*: 20 WeeksSN74LS33DR
Americas	Rochester Electronics	>1k
Worldwide	DigiKey	>1k
TI Lead Time*: 20 WeeksSN74LS33DRE4
Worldwide	DigiKey	Available
TI Lead Time*: 20 WeeksSN74LS33DRG4
Worldwide	DigiKey	Available
TI Lead Time*: 20 WeeksSN74LS33N
Americas	Arrow	365
	Newark	63
	Rochester Electronics	>1k
Europe	Avnet-SILICA	650
Europe	Spoerle	500
Worldwide	DigiKey	926
Worldwide	Mouser Electronics	131
TI Lead Time*: 20 WeeksSN74LS33NE4
Worldwide	DigiKey	Available
TI Lead Time*: 18 WeeksSN74LS33NSR
Americas	Rochester Electronics	>1k
TI Lead Time*: 18 WeeksSN74LS33NSRE4
None Reported View Distributors
TI Lead Time*: 18 WeeksSN74LS33NSRG4
None Reported View Distributors
View all Distributors

** Lead time information is not available at this time. However, our information is updated daily so please check back with us soon. Please contact your preferred TI Authorized Distributor for additional information.

Quality & Lead (Pb)-Free Data

	Product Content				DPPM / MTBF / FIT Rate
Device	Eco Plan*	Lead / Ball Finish	MSL Rating / Peak Reflow	Details	Details
SN74LS33D	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LS33DE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LS33DG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LS33DR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LS33DRE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LS33DRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LS33N	Pb-Free (RoHS)	CU NIPDAU	N/A for Pkg Type	View	View
SN74LS33NE4	Pb-Free (RoHS)	CU NIPDAU	N/A for Pkg Type	View	View
SN74LS33NSR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LS33NSRE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LS33NSRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View

* The planned eco-friendly classification: Pb-Free (RoHS) or Pb-Free (RoHS Exempt) or Green (RoHS & no Sb/Br) - please click on the Product Content Details "View" link in the table above for the latest availability information and additional product content details.

If the information you are requesting is not available online at this time, contact one of our Product Information Centers regarding the availability of this information.

Technical Documents

Most useful technical documents for SN74LS33

Datasheet

Quadruple 2-Input Positive-NOR Buffers With Open-Collector Outputs (PDF, 435 KB)
01 Mar 1988

Application Notes

Input and Output Characteristics of Digital Integrated Circuits (HTM, 9 KB) 9405 views
01 Oct 1996 Read Abstract
Live Insertion (HTM, 8 KB) 2444 views
01 Oct 1996 Read Abstract
TI IBIS File Creation, Validation, and Distribution Processes (HTM, 9 KB) 3906 views
29 Aug 2002 Read Abstract
Shelf-Life Evaluation of Lead-Free Component Finishes (HTM, 8 KB) 27271 views
24 May 2004 Read Abstract
Designing with the SN54/74LS123 (Rev. A) (HTM, 9 KB) 3063 views
01 Mar 1997 Read Abstract
Designing With Logic (Rev. C) (HTM, 8 KB) 9164 views
01 Jun 1997 Read Abstract
Understanding and Interpreting Standard-Logic Data Sheets (Rev. B) (HTM, 8 KB) 21719 views
28 May 2003 Read Abstract

View Application Notes for NOR Gates

User Guides

LOGIC Pocket Data Book (Rev. B) (PDF, 6001 KB) 47392 views
16 Jan 2007

Selection Guides

Logic Guide 2009 (Rev. Z) (PDF, 4263 KB) 90790 views
23 Jul 2009

More Literature

Logic Cross-Reference (Rev. A) (PDF, 2938 KB) 15434 views
07 Oct 2003

Customers Who Evaluated This Product Also Evaluated...
Part #	Name	Product Family	Comments
SN74LS02	Quad 2-input positive-NOR gates	GATES-NOR GATES	TI customers also evaluated this product.
SN54LS02	Quadruple 2-Input Positive-NOR Gates	GATES-NOR GATES	TI customers also evaluated this product.
SN74LVC02A	Quadruple 2-Input Positive-NOR Gate	GATES-NOR GATES	TI customers also evaluated this product.
SN74ALS33A	Quad 2-input Positive-NOR buffers with open collector outputs	GATES-NOR GATES	TI customers also evaluated this product.
SN74LS10	Triple 3-input positive-NAND gates	GATES-NAND GATES	TI customers also evaluated this product.
SN54LS10	Triple 3-Input Positive-NAND Gates	GATES-NAND GATES	TI customers also evaluated this product.
SN74LS20	Dual 4-input positive-NAND gates	GATES-NAND GATES	TI customers also evaluated this product.
SN74LS38	Quad 2-input positive-NAND buffers with open collector outputs	GATES-NAND GATES	TI customers also evaluated this product.
SN74LS00	Quad 2-input positive-NAND gates	GATES-NAND GATES	TI customers also evaluated this product.
SN74ALS00A	Quadruple 2-Input Positive-NAND Gates	GATES-NAND GATES	TI customers also evaluated this product.
SN74LS03	Quad 2-input positive-NAND gates with open collector outputs	GATES-NAND GATES	TI customers also evaluated this product.
SN74LS132	Quad 2-input positive-NAND Schmitt triggers	GATES-NAND GATES	TI customers also evaluated this product.
SN74LS30	8-input positive-NAND gates	GATES-NAND GATES	TI customers also evaluated this product.
SN74LS26	Quad 2-input high-voltage interface positive-NAND gates	GATES-NAND GATES	TI customers also evaluated this product.

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SN74LS33 Status: ACTIVE

Quad 2-input positive-NOR buffers with open collector outputs

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Datasheet

Other qualified versions of SN74LS33

Customers Who Evaluated This Product Also Evaluated

Product Information

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Description

Pricing / Packaging / CAD Design Tools / Samples

Inventory

Quality & Lead (Pb)-Free Data

Technical Documents

Datasheet

Application Notes

User Guides

Selection Guides

More Literature

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Customer Tags

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