SN54HC257_06 Datasheet, PDF (1/17 Pages) Texas Instruments – QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS WITH 3-STATE OUTPUTS

SN54HC257, SN54HC258, SN74HC257, SN74HC258
QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS
WITH 3ĆSTATE OUTPUTS
SCLS224B − DECEMBER 1982 − REVISED SEPTEMBER 2003
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 I_CC
D ’HC257 . . . Typical t_pd = 9 ns
D ’HC258 . . . Typical t_pd = 12 ns
D ±6-mA Output Drive at 5 V
D Low Input Current of 1 µA Max
D Provides Bus Interface from Multiple
Sources in High-Performance Systems
SN54HC257, SN54HC258 . . . J PACKAGE
SN74HC257, SN74HC258 . . . D, N, NS, OR PW PACKAGE
(TOP VIEW)
SN54HC257, SN54HC258 . . . FK PACKAGE
(TOP VIEW)
A/B ₁
1A 2
1B 3
1Y 4
2A 5
2B 6
2Y 7
GND 8
16 ^V_CC
15 G
14 4A
13 4B
12 4Y
11 3A
10 3B
9 3Y
1B
3 2 1 20 19
4
18
4A
1Y 5
17 ^4B
NC 6
16 NC
2A 7
15 4Y
2B 8
14 3A
9 10 11 12 13
description/ordering information
NC − No internal connection
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
PDIP − N
Tube of 25
SN74HC257N
SN74HC258N
SN74HC257N
SN74HC258N
Tube of 40
SN74HC257D
Reel of 2500 SN74HC257DR
HC257
SOIC − D
Reel of 250
SN74HC257DT
Tube of 40
Reel of 2500
SN74HC258D
SN74HC258DR
HC258
−40°C to 85°C
SOP − NS
Reel of 2000
SN74HC257NSR
SN74HC258NSR
HC257
HC258
Tube of 90
SN74HC257PW
Reel of 2000 SN74HC257PWR
HC257
TSSOP − PW
Reel of 250
Tube of 90
SN74HC257PWT
SN74HC258PW
Reel of 2000 SN74HC258PWR
HC258
Reel of 250
SN74HC258PWT
−55°C to 125°C
CDIP − J
LCCC − FK
Tube of 25
Tube of 55
SNJ54HC257J
SNJ54HC258J
SNJ54HC257FK
SNJ54HC258FK
SNJ54HC257J
SNJ54HC258J
SNJ54HC257FK
SNJ54HC258FK
† _{Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines}
are available at www.ti.com/sc/package.
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  2003, Texas Instruments Incorporated
On products compliant to MILĆPRFĆ38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
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