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SN74LS649NT on a board, in 3D

SN74LS649NT

Texas Instruments

0℃~+70℃ 15mA 24mA 4.75V~5.25V 74LS 8 Open-drain TTL Compatible CMOS Unidirectional DIP-24 Buffers, Drivers, Receivers, Transceivers

Extended
DatasheetJLCPCBLCSCti/SN74LS649NT
Category
Buffers, Drivers, Receivers, Transceivers
Package
DIP-24
Pins
5

Overview

The SN74LS649NT is a buffers, Drivers, Receivers, Transceiver made by Texas Instruments in a DIP-24 package with 24 pins. 0℃~+70℃ 15mA 24mA 4.75V~5.25V 74LS 8 Open-drain TTL Compatible CMOS Unidirectional DIP-24 Buffers, Drivers, Receivers, Transceivers.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:74LVTH646MSA, from EasyEDA) and its footprint (Package_DIP:DIP-24_W8.89mm_SMDSocket_LongPads, from KiCad's library), ready for a KiCad board. JLCPCB lists it (part C3756194).

Symbol

CAB1SAB2DIR3A14A25A36A47A58A69A710A811GND12B813B714B615B516B417B318B219B120G#21SBA22CBA23VCC24
EasyEDA_Cloud:74LVTH646MSAFrom EasyEDA

Footprint

123456789101112131415161718192021222324
Package_DIP:DIP-24_W8.89mm_SMDSocket_LongPadsFrom KiCad's library

Parameters

10
Channel Type
Unidirectional
Current - Output High(IOH)
15mA
Current - Output Low(IOL)
24mA
Features
Output enable
Input type
TTL-compatible CMOS
Logic Family
74LS
Number of Bits per Element
8
Operating Temperature
0℃~+70℃
Voltage - Supply
4.75V~5.25V
output type
Open-drain

Order codes

1

Pinout

24
The pins of the SN74LS649NT
PinNameType
1CABUnspecified
2SABUnspecified
3DIRUnspecified
4A1Unspecified
5A2Unspecified
6A3Unspecified
7A4Unspecified
8A5Unspecified
9A6Unspecified
10A7Unspecified
11A8Unspecified
12GNDUnspecified
13B8Unspecified
14B7Unspecified
15B6Unspecified
16B5Unspecified
17B4Unspecified
18B3Unspecified
19B2Unspecified
20B1Unspecified
21G#Unspecified
22SBAUnspecified
23CBAUnspecified
24VCCUnspecified

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Questions

Is there a KiCad symbol and footprint for the SN74LS649NT?

Yes. The symbol is EasyEDA_Cloud:74LVTH646MSA and the footprint Package_DIP:DIP-24_W8.89mm_SMDSocket_LongPads, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the SN74LS649NT?

DIP-24, with 24 pins. Its footprint is drawn on this page.

Where is the SN74LS649NT datasheet?

Texas Instruments publishes it: the Datasheet link on this page opens it.

Where can I order the SN74LS649NT?

JLCPCB lists it as part C3756194, with 0 in stock; the sellers' links on this page open their listings.

What can replace the SN74LS649NT?

Parts like it in the library: the AM29833APC by AMD, the AM29C853API by AMD, the 100313PC by onsemi and the 100322PC by onsemi. Check their datasheets: a part that fits the footprint may still differ in its ratings.

Parts like it

8