Product Folder - 74AC257 - Quad 2-Input Multiplexer with 3-STATE Outputs

74AC257
Quad 2-Input Multiplexer with 3-STATE Outputs

General Description

The AC/ACT257 is a quad 2-input multiplexer with 3-STATE outputs. Four bits of data from two sources can be selected using a Common Data Select input. The four outputs present the selected data in true (noninverted) form. The outputs may be switched to a high impedance state by placing a logic HIGH on the common Output Enable (OE#) input, allowing the outputs to interface directly with bus-oriented systems.

Features

I_CC and I_OZ reduced by 50%
Multiplexer expansion by tying outputs together
Noninverting 3-STATE outputs
Outputs source/sink 24 mA
ACT257 has TTL-compatible inputs

Product Status/Pricing/Packaging

Product	Product status	Eco Status	Pricing*	Package type	Leads	Packing method	Package Marking Convention**
74AC257MTC	Full Production	RoHS Compliant	$0.211	TSSOP	16	RAIL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: AC257
74AC257MTCX	Full Production	RoHS Compliant	$0.211	TSSOP	16	TAPE REEL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: AC257
74AC257PC	Full Production	RoHS Compliant	$0.287	DIP	16	RAIL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &4 (4-Digit Date Code) &K Line 2: 74AC257PC
74AC257SC	Full Production	RoHS Compliant	$0.211	SOIC	16	RAIL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: 74AC257
74AC257SCX	Full Production	RoHS Compliant	$0.211	SOIC	16	TAPE REEL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: 74AC257
74AC257SJ	Full Production	RoHS Compliant	$0.287	SOP	16	RAIL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: 74AC257
74AC257SJX	Full Production	RoHS Compliant	$0.287	SOP	16	TAPE REEL	Line 1: $Y (Fairchild logo) &Z (Asm. Plant Code) &2 (2-Digit Date Code) &K Line 2: 74AC257

* 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 74AC257 is available. Click here for more information .

Models

Package & leads	Condition	Temperature range	Vcc range	Software version	Revision date
IBIS
TSSOP-16	All	-40°C to 85°C	4.5V to 5.5V	2.1	Aug 18, 1998

Qualification Support

Click on a product for detailed qualification data

Product
74AC257MTC
74AC257MTCX
74AC257PC
74AC257SC
74AC257SCX
74AC257SJ
74AC257SJX