English
Language : 

SN74HC253-Q1 Datasheet, PDF (1/11 Pages) Texas Instruments – DUAL 4-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER WITH 3-STATE OUTPUTS
SN74HC253-Q1
DUAL 4-LINE TO 1-LINE DATA SELECTOR/MULTIPLEXER
WITH 3-STATE OUTPUTS
SCLS519A − AUGUST 2003 − REVISED APRIL 2008
D Qualified for Automotive Applications
D ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
D 3-State Version of ’HC153
D Wide Operating Voltage Range of 2 V to 6 V
D High-Current Inverting Outputs Drive Up To
15 LSTTL Loads
D Low Power Consumption, 80-µA Max ICC
D Typical tpd = 9 ns
D ±6-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
D Permit Multiplexing From n Lines to One
Line
D Perform Parallel-to-Serial Conversion
D PACKAGE
(TOP VIEW)
1OE 1
B2
1C3 3
1C2 4
1C1 5
1C0 6
1Y 7
GND 8
16 VCC
15 2OE
14 A
13 2C3
12 2C2
11 2C1
10 2C0
9 2Y
description/ordering information
Each data selector/multiplexer contains inverters and drivers to supply full binary decoding data selection to the
AND-OR gates. Separate output-control inputs are provided for each of the two 4-line sections.
The 3-state outputs can interface with and drive data lines of bus-organized systems. With all but one of the
common outputs disabled (in the high-impedance state), the low impedance of the single enabled output drives
the bus line to a high or low logic level. Each output has its own output-enable (OE) input. The outputs are
disabled when their respective OE is high.
ORDERING INFORMATION{
TA
PACKAGE‡
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
−40°C to 125°C SOIC − D
Tape and reel SN74HC253QDRQ1
HC253Q1
† For the most current package and ordering information, see the Package Option Addendum at the
end of this document, or see the TI web site at http://www.ti.com.
‡ Package drawings, thermal data, and symbolization are available at http://www.ti.com/packaging.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
Copyright  2008, Texas Instruments Incorporated
1