SN74LVC138A Status: ACTIVE

3-Line To 8-Line decoder/Demultiplexer

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Datasheet

SN54LVC138A, SN74LVC138A (Rev. T) (PDF 1076 KB)
27 Jul 2005

	SN54LVC138A	SN74LVC138A
Voltage Nodes(V)	3.3, 2.7, 2.5, 1.8	3.3, 2.7, 2.5, 1.8
Vcc range(V)	2.0 to 3.6	2.0 to 3.6
Input Level	TTL/CMOS	TTL/CMOS
Output Level	LVTTL	LVTTL
Output Drive(mA)	-24/24	-24/24
Output	2S	2S
From	3	3
To	8	8
Rating	Military	Catalog
Technology Family	LVC	LVC
	Samples	Samples
	Inventory	Inventory

Other qualified versions of SN74LVC138A

Version	Part Number	Definition
Automotive	SN74LVC138A-Q1	Q100 devices qualified for high-reliability automotive applications targeting zero defects
Enhanced Product	SN74LVC138A-EP	Supports Defense, Aerospace and Medical Applications
Military	SN54LVC138A	QML certified for Military and Defense Applications

Customers Who Evaluated This Product Also Evaluated

TMP75: Digital Temperature Sensor with 2-Wire Interface

SN74LVC1G17: Single Schmitt-Trigger Buffer

SN74LVC1G08: Single 2-Input Positive-AND Gate

Product Information

Features

Operate From 1.65 V to 3.6 V
Inputs Accept Voltages to 5.5 V
Max t_pd of 5.8 ns at 3.3 V
Typical V_OLP (Output Ground Bounce)
< 0.8 V at V_CC = 3.3 V, T_A = 25°C
Typical V_OHV (Output V_OH Undershoot)
> 2 V at V_CC = 3.3 V, T_A = 25°C
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)

DESCRIPTION/ORDERING INFORMATION

The SN54LVC138A 3-line to 8-line decoder/demultiplexer is designed for 2.7-V to 3.6-V V_CC operation, and the SN74LVC138A 3-line to 8-line decoder/demultiplexer is designed for 1.65-V to 3.6-V V_CC operation.

The 'LVC138A devices are designed for high-performance memory-decoding or data-routing applications requiring very short propagation delay times. In high-performance memory systems, these decoders minimize the effects of system decoding. When employed with high-speed memories utilizing a fast enable circuit, delay times of these decoders and the enable time of the memory usually are less than the typical access time of the memory. This means that the effective system delay introduced by the decoders is negligible.

The conditions at the binary-select inputs and the three enable inputs select one of eight output lines. Two active-low enable inputs and one active-high enable input reduce the need for external gates or inverters when expanding. A 24-line decoder can be implemented without external inverters, and a 32-line decoder requires only one inverter. An enable input can be used as a data input for demultiplexing applications.

Inputs can be driven from either 3.3-V or 5-V devices. This feature allows the use of these devices as translators in a mixed 3.3-V/5-V system environment.

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
SN74LVC138AD	ACTIVE	-40 to 85	0.22 \| 1ku	SOIC (D) \| 16	View	40 \| TUBE	Contact TI Distributor or Sales Office
SN74LVC138ADBLE	OBSOLETE	-40 to 85		SSOP (DB) \| 16	View		Not Available
SN74LVC138ADBR	ACTIVE	-40 to 85	0.20 \| 1ku	SSOP (DB) \| 16	View	2000 \| LARGE T&R	Contact TI Distributor or Sales Office
SN74LVC138ADBRE4	ACTIVE	-40 to 85	0.20 \| 1ku	SSOP (DB) \| 16	View	2000 \| LARGE T&R	Contact TI Distributor or Sales Office
SN74LVC138ADBRG4	ACTIVE	-40 to 85	0.20 \| 1ku	SSOP (DB) \| 16	View	2000 \| LARGE T&R	Contact TI Distributor or Sales Office
SN74LVC138ADE4	ACTIVE	-40 to 85	0.22 \| 1ku	SOIC (D) \| 16	View	40 \| TUBE	Contact TI Distributor or Sales Office
SN74LVC138ADG4	ACTIVE	-40 to 85	0.22 \| 1ku	SOIC (D) \| 16	View	40 \| TUBE
SN74LVC138ADGVR	ACTIVE	-40 to 85	0.22 \| 1ku	TVSOP (DGV) \| 16		2000 \| LARGE T&R	Contact TI Distributor or Sales Office
SN74LVC138ADGVRE4	ACTIVE	-40 to 85	0.22 \| 1ku	TVSOP (DGV) \| 16		2000 \| LARGE T&R	Contact TI Distributor or Sales Office
SN74LVC138ADGVRG4	ACTIVE	-40 to 85	0.22 \| 1ku	TVSOP (DGV) \| 16		2000 \| LARGE T&R	Contact TI Distributor or Sales Office
SN74LVC138ADR	ACTIVE	-40 to 85	0.20 \| 1ku	SOIC (D) \| 16	View	2500 \| LARGE T&R	Contact TI Distributor or Sales Office
SN74LVC138ADRE4	ACTIVE	-40 to 85	0.20 \| 1ku	SOIC (D) \| 16	View	2500 \| LARGE T&R	Contact TI Distributor or Sales Office
SN74LVC138ADRG4	ACTIVE	-40 to 85	0.20 \| 1ku	SOIC (D) \| 16	View	2500 \| LARGE T&R	Contact TI Distributor or Sales Office
SN74LVC138ADT	ACTIVE	-40 to 85	0.30 \| 1ku	SOIC (D) \| 16	View	250 \| SMALL T&R	Purchase Samples
SN74LVC138ADTE4	ACTIVE	-40 to 85	0.30 \| 1ku	SOIC (D) \| 16	View	250 \| SMALL T&R	Purchase Samples
SN74LVC138ADTG4	ACTIVE	-40 to 85	0.30 \| 1ku	SOIC (D) \| 16	View	250 \| SMALL T&R	Purchase Samples
SN74LVC138AGQNR	NRND	-40 to 85	0.55 \| 1ku	BGA MICROSTAR JUNIOR (GQN) \| 20		1000 \| LARGE T&R	Not Available
SN74LVC138ANSR	ACTIVE	-40 to 85	0.22 \| 1ku	SO (NS) \| 16	View	2000 \| LARGE T&R	Purchase Samples
SN74LVC138ANSRE4	ACTIVE	-40 to 85	0.22 \| 1ku	SO (NS) \| 16	View	2000 \| LARGE T&R	Purchase Samples
SN74LVC138ANSRG4	ACTIVE	-40 to 85	0.22 \| 1ku	SO (NS) \| 16	View	2000 \| LARGE T&R	Purchase Samples
SN74LVC138APW	ACTIVE	-40 to 85	0.20 \| 1ku	TSSOP (PW) \| 16	View	90 \| TUBE	Purchase Samples
SN74LVC138APWE4	ACTIVE	-40 to 85	0.20 \| 1ku	TSSOP (PW) \| 16	View	90 \| TUBE	Purchase Samples
SN74LVC138APWG4	ACTIVE	-40 to 85	0.20 \| 1ku	TSSOP (PW) \| 16	View	90 \| TUBE	Purchase Samples
SN74LVC138APWLE	OBSOLETE	-40 to 85		TSSOP (PW) \| 16	View		Not Available
SN74LVC138APWR	ACTIVE	-40 to 85	0.20 \| 1ku	TSSOP (PW) \| 16	View	2000 \| LARGE T&R	Contact TI Distributor or Sales Office
SN74LVC138APWRE4	ACTIVE	-40 to 85	0.20 \| 1ku	TSSOP (PW) \| 16	View	2000 \| LARGE T&R	Contact TI Distributor or Sales Office
SN74LVC138APWRG4	ACTIVE	-40 to 85	0.20 \| 1ku	TSSOP (PW) \| 16	View	2000 \| LARGE T&R	Contact TI Distributor or Sales Office
SN74LVC138APWT	ACTIVE	-40 to 85	0.30 \| 1ku	TSSOP (PW) \| 16	View	250 \| SMALL T&R	Purchase Samples
SN74LVC138APWTE4	ACTIVE	-40 to 85	0.30 \| 1ku	TSSOP (PW) \| 16	View	250 \| SMALL T&R	Purchase Samples
SN74LVC138APWTG4	ACTIVE	-40 to 85	0.30 \| 1ku	TSSOP (PW) \| 16	View	250 \| SMALL T&R	Purchase Samples
SN74LVC138ARGYR	ACTIVE	-40 to 85	0.36 \| 1ku	QFN (RGY) \| 16		1000 \| LARGE T&R
SN74LVC138ARGYRG4	ACTIVE	-40 to 85	0.36 \| 1ku	QFN (RGY) \| 16		1000 \| LARGE T&R
SN74LVC138AZQNR	ACTIVE	-40 to 85	0.36 \| 1ku	BGA MICROSTAR JUNIOR (ZQN) \| 20		1000 \| LARGE T&R

* 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 10:57 AM GMT, 20 Nov 2009
Region	Company	In Stock	Purchase
TI Lead Time*: 15 WeeksSN74LVC138AD
Americas	Arrow	>1k
	Newark	>1k
	Rochester Electronics	617
Asia	Farnell Asia	>1k
Europe	Abacus Polar	>1k
	Arrow Northern Europe	280
	Arrow Southern Europe	>1k
	Avnet-SILICA	>1k
	Compel	>1k
	EBV Elektronik	>1k
	Farnell	>1k
	Spoerle	>1k
Worldwide	DigiKey	>1k
Worldwide	Mouser Electronics	74
TI Lead Time*: 15 WeeksSN74LVC138ADBR
Americas	Rochester Electronics	>1k
Asia	WPI	>1k
Worldwide	DigiKey	16
Worldwide	Mouser Electronics	65
TI Lead Time*: 15 WeeksSN74LVC138ADBRE4
Worldwide	DigiKey	Available
Worldwide	Mouser Electronics	>1k
TI Lead Time*: 15 WeeksSN74LVC138ADBRG4
Worldwide	DigiKey	Available
TI Lead Time*: 15 WeeksSN74LVC138ADE4
Worldwide	DigiKey	Available
TI Lead Time*: 15 WeeksSN74LVC138ADG4
Worldwide	DigiKey	Available
TI Lead Time*: 12 WeeksSN74LVC138ADGVR
Americas	Arrow	>1k
Worldwide	DigiKey	28
TI Lead Time*: 12 WeeksSN74LVC138ADGVRE4
Worldwide	DigiKey	Available
TI Lead Time*: 12 WeeksSN74LVC138ADGVRG4
Worldwide	DigiKey	Available
TI Lead Time*: 15 WeeksSN74LVC138ADR
Asia	WPI	>1k
Worldwide	DigiKey	>1k
TI Lead Time*: 15 WeeksSN74LVC138ADRE4
Worldwide	DigiKey	Available
TI Lead Time*: 15 WeeksSN74LVC138ADRG4
Worldwide	DigiKey	Available
TI Lead Time*: 15 WeeksSN74LVC138ADT
Americas	Arrow	>1k
Asia	Farnell Asia	4
Europe	Farnell	4
Worldwide	DigiKey	Available
TI Lead Time*: 15 WeeksSN74LVC138ADTE4
Worldwide	DigiKey	Available
TI Lead Time*: 15 WeeksSN74LVC138ADTG4
Worldwide	DigiKey	Available
TI Lead Time*: 8 WeeksSN74LVC138AGQNR
Americas	Rochester Electronics	1k
TI Lead Time*: 15 WeeksSN74LVC138ANSR
Americas	Rochester Electronics	>1k
Worldwide	Mouser Electronics	>1k
TI Lead Time*: 15 WeeksSN74LVC138ANSRE4
None Reported View Distributors
TI Lead Time*: 15 WeeksSN74LVC138ANSRG4
None Reported View Distributors
TI Lead Time*: 20 WeeksSN74LVC138APW
Americas	Arrow	>1k
	Avnet	73
	Newark	>1k
	Rochester Electronics	>1k
Asia	Farnell Asia	469
Europe	Abacus Polar	720
	EBV Elektronik	>1k
	Farnell	469
Worldwide	Mouser Electronics	>1k
TI Lead Time*: 20 WeeksSN74LVC138APWE4
None Reported View Distributors
TI Lead Time*: 20 WeeksSN74LVC138APWG4
Americas	Rochester Electronics	>1k
TI Lead Time*: 20 WeeksSN74LVC138APWR
Americas	Arrow	>1k
Europe	Compel	840
TI Lead Time*: 20 WeeksSN74LVC138APWRE4
None Reported View Distributors
TI Lead Time*: 20 WeeksSN74LVC138APWRG4
Worldwide	Mouser Electronics	790
TI Lead Time*: 20 WeeksSN74LVC138APWT
Americas	Arrow	>1k
Americas	Rochester Electronics	>1k
Asia	Farnell Asia	700
Europe	Farnell	700
Worldwide	Mouser Electronics	671
TI Lead Time*: 20 WeeksSN74LVC138APWTE4
None Reported View Distributors
TI Lead Time*: 20 WeeksSN74LVC138APWTG4
None Reported View Distributors
TI Lead Time*: 16 WeeksSN74LVC138ARGYR
Americas	Rochester Electronics	>1k
Asia	WPI	>1k
Europe	Avnet-SILICA	>1k
Worldwide	DigiKey	>1k
Worldwide	Mouser Electronics	420
TI Lead Time*: 16 WeeksSN74LVC138ARGYRG4
Worldwide	DigiKey	Available
Worldwide	Mouser Electronics	>1k
TI Lead Time*: 8 WeeksSN74LVC138AZQNR
Americas	Rochester Electronics	>1k
Worldwide	DigiKey	530
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
SN74LVC138AD	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADBR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADBRE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADBRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADGVR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADGVRE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADGVRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADRE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADT	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADTE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ADTG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138AGQNR	TBD	SNPB	Level-1-240C-UNLIM	View	View
SN74LVC138ANSR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ANSRE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ANSRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138APW	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138APWE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138APWG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138APWR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138APWRE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138APWRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138APWT	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138APWTE4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138APWTG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-1-260C-UNLIM	View	View
SN74LVC138ARGYR	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
SN74LVC138ARGYRG4	Green (RoHS & no Sb/Br)	CU NIPDAU	Level-2-260C-1 YEAR	View	View
SN74LVC138AZQNR	Green (RoHS & no Sb/Br)	SNAGCU	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 SN74LVC138A

Datasheet

SN54LVC138A, SN74LVC138A (Rev. T) (PDF, 1076 KB)
27 Jul 2005

Application Notes

Input and Output Characteristics of Digital Integrated Circuits (HTM, 9 KB) 9328 views
01 Oct 1996 Read Abstract
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TI IBIS File Creation, Validation, and Distribution Processes (HTM, 9 KB) 3898 views
29 Aug 2002 Read Abstract
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06 Nov 2003 Read Abstract
Shelf-Life Evaluation of Lead-Free Component Finishes (HTM, 8 KB) 27183 views
24 May 2004 Read Abstract
Selecting the Right Level Translation Solution (Rev. A) (HTM, 8 KB) 15552 views
22 Jun 2004 Read Abstract
Understanding and Interpreting Standard-Logic Data Sheets (Rev. B) (HTM, 8 KB) 21623 views
28 May 2003 Read Abstract
Texas Instruments Little Logic Application Report (HTM, 8 KB) 2371 views
01 Nov 2002 Read Abstract
16-Bit Widebus Logic Families in 56-Ball, 0.65-mm Pitch Very Thin Fine-Pitch BGA (Rev. B) (HTM, 8 KB) 1121 views
22 May 2002 Read Abstract
Implications of Slow or Floating CMOS Inputs (Rev. C) (HTM, 8 KB) 7084 views
01 Feb 1998 Read Abstract
Migration From 3.3-V To 2.5-V Power Supplies For Logic Devices (HTM, 9 KB) 638 views
01 Dec 1997 Read Abstract
Bus-Interface Devices With Output-Damping Resistors Or Reduced-Drive Outputs (Rev. A) (HTM, 8 KB) 2419 views
01 Aug 1997 Read Abstract
CMOS Power Consumption and CPD Calculation (Rev. B) (HTM, 9 KB) 3164 views
01 Jun 1997 Read Abstract
LVC Characterization Information (HTM, 8 KB) 2403 views
01 Dec 1996 Read Abstract
Understanding Advanced Bus-Interface Products Design Guide (PDF, 253 KB) 4131 views
01 May 1996

View Application Notes for Decoders/Demultiplexers

User Guides

LOGIC Pocket Data Book (Rev. B) (PDF, 6001 KB) 47219 views
16 Jan 2007
Signal Switch Data Book (Rev. A) (PDF, 18396 KB) 9614 views
14 Nov 2003
LVC and LV Low-Voltage CMOS Logic Data Book (Rev. B) (PDF, 13291 KB) 6764 views
18 Dec 2002

Selection Guides

Logic Guide 2009 (Rev. Z) (PDF, 4263 KB) 90161 views
23 Jul 2009

Solution Guides

Communications Infrastructure Solutions Guide 1Q2008 (Rev. G) (PDF, 1726 KB) 40163 views
11 Feb 2008

More Literature

Logic Cross-Reference (Rev. A) (PDF, 2938 KB) 15385 views
07 Oct 2003
Dual-Supply Level Translation Product Clip (Rev. B) (PDF, 328 KB) 2461 views
10 Apr 2006
Design Summary for WCSP Little Logic (Rev. B) (PDF, 295 KB) 1821 views
04 Nov 2004
SN74LVC1G97 and SN74LVC1G98 Product Clip (Rev. A) (PDF, 253 KB) 1629 views
13 Jul 2004
Military Low Voltage Solutions (PDF, 103 KB) 774 views
04 Apr 2001
SN74LVC1G3157 and SNS74LVC2G53 SPDT Analog Switches (PDF, 65 KB) 2516 views
12 Jun 2003
Standard Linear & Logic for PCs, Servers & Motherboards (PDF, 3997 KB) 1218 views
13 Jun 2002
STANDARD LINEAR AND LOGIC FOR DVD/VCD PLAYERS (PDF, 5872 KB) 484 views
27 Mar 2002
Low-Voltage Logic (LVC) Designer's Guide (HTM, 8 KB) 2921 views
01 Sep 1996 Read Abstract

Reference Designs

Description	Part #	Company
Industrial Control via the CAN Bus Demonstration Platform	CANBUS-DEMO	Texas Instruments

Simulation Models

IBIS Model
- SN74LVC138A IBIS Model (Rev. A) (Multiple File Format) 247 views
  31 Oct 2002 Read Abstract

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SN74LVC138A Status: ACTIVE

3-Line To 8-Line decoder/Demultiplexer

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