Product Folder - 74LCX138 - Low Voltage 1-of-8 Decoder/Demultiplexer with 5V Tolerant Inputs

74LCX138
Low Voltage 1-of-8 Decoder/Demultiplexer with 5V Tolerant Inputs

General Description

The LCX138 is a high-speed 1-of-8 decoder/demultiplexer. This device is ideally suited for high-speed memory chip select address decoding. The multiple input enables allow parallel expansion to a 1-of-24 decoder using just three LCX138 devices or a 1-of-32 decoder using four LCX138 devices and one inverter.

The 74LCX138 is fabricated with advanced CMOS technology to achieve high speed operation while maintaining CMOS low power dissipation.

Features

5V tolerant inputs
2.3V to 3.6V V_CC specifications provided
6.0 ns t_PD max (V_CC = 3.3V), 10 µA I_CC max
Power down high impedance inputs and outputs
±24 mA output drive (V_CC = 3.0V)
Implements patented noise/EMI reduction circuitry
Latch-up performance exceeds 500 mA
ESD performance:
Human body model > 2000V

Machine model > 200V
Leadless DQFN package

Product Status/Pricing/Packaging

Product	Product status	Eco Status	Pricing*	Package type	Leads	Packing method	Package Marking Convention**
74LCX138BQX	Full Production	Green	$0.332	DQFN	16	TAPE REEL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: LCX138
74LCX138M	Full Production	RoHS Compliant	$0.167	SOIC	16	RAIL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: LCX138
74LCX138MTC	Full Production	RoHS Compliant	$0.167	TSSOP	16	RAIL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: LCX138
74LCX138MTCX	Full Production	RoHS Compliant	$0.167	TSSOP	16	TAPE REEL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: LCX138
74LCX138MX	Full Production	RoHS Compliant	$0.167	SOIC	16	TAPE REEL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: LCX138
74LCX138SJ	Full Production	RoHS Compliant	$0.167	SOP	16	RAIL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: LCX138
74LCX138SJX	Full Production	RoHS Compliant	$0.167	SOP	16	TAPE REEL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: LCX138

* Fairchild 1,000 piece Budgetary Pricing

** A sample button will appear if the part is available through Fairchild's on-line samples program. If there is no sample button, please contact a Fairchild distributor to obtain samples

Package marking information for product 74LCX138 is available. Click here for more information .

Models

Package & leads	Condition	Temperature range	Vcc range	Software version	Revision date
HSPICE
DQFN-16	Fast	-40°C to 85°C	2.3V to 3.6V	2001.4	Oct 6, 2003
	Slow	-40°C to 85°C	2.3V to 3.6V	2001.4	Oct 6, 2003
	Typical	-40°C to 85°C	2.3V to 3.6V	2001.4	Oct 6, 2003
TSSOP-16	Typical	-40°C to 85°C	2V to 3.6V	98.4	Jan 8, 2001
	Fast	-40°C to 85°C	2V to 3.6V	98.4	Jan 8, 2001
	Slow	-40°C to 85°C	2V to 3.6V	98.4	Jan 8, 2001
IBIS
SOIC-16	All	-40°C to 85°C	3V to 3.6V	3.2	Jan 9, 2001
TSSOP-16	All	-40°C to 85°C	3V to 3.6V	3.2	Jan 9, 2001

Qualification Support

Click on a product for detailed qualification data

Product
74LCX138BQX
74LCX138M
74LCX138MTC
74LCX138MTCX
74LCX138MX
74LCX138SJ
74LCX138SJX