Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLogic ICsLogic IC - Multiplexer Multiplexer Single supply PDIP 16

 

     

SCLS071D − NOVEMBER 1988 − REVISED OCTOBER 2003

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

D Operating Voltage Range of 4.5 V to 5.5 V

D High-Current Outputs Drive Up To 15

LSTTL Loads

D Typical t

= 15 ns

D Low Power Consumption, 80-µA Max I

D ±6-mA Output Drive at 5 V

D Low Input Current of 1 µA Max

D Inputs Are TTL-Voltage Compatible

D Buffered Inputs and Outputs

A/B

GND

SN54HCT157 ...J OR W PACKAGE

SN74HCT157 ...D OR N PACKAGE

(TOP VIEW)

3212019

910111213

A/B

GND

SN54HCT157 . . . FK PACKAGE

(TOP VIEW)

NC − No internal connection

description/ordering information

These data selectors/multiplexers contain inverters and drivers to supply full data selection to the four output

gates. A separate strobe (G

) input is provided. A 4-bit word is selected from one of two sources and is routed

to the four outputs.

ORDERING INFORMATION

PACKAGE

†

ORDERABLE

PART NUMBER

TOP-SIDE

MARKING

PDIP − N Tube of 25 SN74HCT157N SN74HCT157N

−40°C to 85°C

Tube of 40 SN74HCT157D

−40°C to 85°C

SOIC − D

Reel of 2500 SN74HCT157DR

HCT157

SOIC − D

Reel of 250 SN74HCT157DT

HCT157

CDIP − J Tube of 25 SNJ54HCT157J SNJ54HCT157J

−55°C to 125°C

CFP − W Tube of 150 SNJ54HCT157W SNJ54HCT157W

−55 C to 125 C

LCCC − FK Tube of 55 SNJ54HCT157FK SNJ54HCT157FK

†

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.

    !"#$%& "!&'& 

 &(!)$'!& "#))%& ' !( *#+,"'!& '%- )!#" "!&(!)$ !

*%"("'!& *%) % %)$ !( %.' &)#$%& '&') /'))'&0-

)!#"!& *)!"%&1 !% &! &%"%'),0 &",#% %&1 !( ',,

*')'$%%)-

Summary of content (13 pages)

PAGE 1
SCLS071D − NOVEMBER 1988 − REVISED OCTOBER 2003 D Operating Voltage Range of 4.5 V to 5.5 V D High-Current Outputs Drive Up To 15 LSTTL Loads D Typical tpd = 15 ns D Low Power Consumption, 80-µA Max ICC D D D D ±6-mA Output Drive at 5 V Low Input Current of 1 µA Max Inputs Are TTL-Voltage Compatible Buffered Inputs and Outputs SN54HCT157 . . . J OR W PACKAGE SN74HCT157 . . .
PAGE 2
SCLS071D − NOVEMBER 1988 − REVISED OCTOBER 2003 FUNCTION TABLE INPUTS OUTPUT Y DATA STROBE G SELECT A/B A B H X X X L L L L X L L L H X H L H X L L L H X H H logic diagram (positive logic) 1A 2 4 1B 2A 3 5 7 2B 3A 6 4A 10 G A/B 13 15 1 Pin numbers shown are for the D, J, N, and W packages.
PAGE 3
SCLS071D − NOVEMBER 1988 − REVISED OCTOBER 2003 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PAGE 4
SCLS071D − NOVEMBER 1988 − REVISED OCTOBER 2003 switching characteristics over recommended operating free-air temperature range, CL = 50 pF (unless otherwise noted) (see Figure 1) PARAMETER tpd FROM (INPUT) TO (OUTPUT) A or B Y A/B Y G Y tt Any VCC MIN TA = 25°C TYP MAX SN54HCT157 MIN MAX SN74HCT157 MIN MAX 4.5 V 18 28 42 35 5.5 V 15 25 38 32 4.5 V 20 32 48 40 5.5 V 17 29 43 36 4.
PAGE 5
SCLS071D − NOVEMBER 1988 − REVISED OCTOBER 2003 PARAMETER MEASUREMENT INFORMATION Input (see Note B) From Output Under Test 3V 1.3 V 1.3 V 0V tPLH Test Point CL = 50 pF (see Note A) Output 1.3 V 10% tPHL 90% 90% tr LOAD CIRCUIT VOH 1.3 V 10% V OL tf VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES NOTES: A. CL includes probe and test-fixture capacitance. B. Phase relationships between waveforms were chosen arbitrarily.
PAGE 6
PACKAGE OPTION ADDENDUM www.ti.
PAGE 7
PACKAGE OPTION ADDENDUM www.ti.com 18-Sep-2008 to Customer on an annual basis.
PAGE 8
PACKAGE MATERIALS INFORMATION www.ti.com 19-Mar-2008 TAPE AND REEL INFORMATION *All dimensions are nominal Device SN74HCT157DR Package Package Pins Type Drawing SOIC D 16 SPQ Reel Reel Diameter Width (mm) W1 (mm) 2500 330.0 16.4 Pack Materials-Page 1 A0 (mm) B0 (mm) K0 (mm) P1 (mm) 6.5 10.3 2.1 8.0 W Pin1 (mm) Quadrant 16.
PAGE 9
PACKAGE MATERIALS INFORMATION www.ti.com 19-Mar-2008 *All dimensions are nominal Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm) SN74HCT157DR SOIC D 16 2500 333.2 345.9 28.
PAGE 10
PAGE 11
PAGE 12
PAGE 13
IMPORTANT NOTICE Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other changes to its semiconductor products and services per JESD46C and to discontinue any product or service per JESD48B. Buyers should obtain the latest relevant information before placing orders and should verify that such information is current and complete.