Substitutes for 74HC244 IC

[anaoum]

Is there any ic that works similar to the 74HC244 with the same pin out?

Thanks

 

[FoxyRick]

74hc244 alternative

The ’HC240 and ’HCT240 are inverting three-state buffers
having two active-low output enables. The CD74HC241,
’HCT241, ’HC244 and ’HCT244 are non-inverting threestate
buffers that differ only in that the 241 has one activehigh
and one active-low output enable, and the 244 has two
active-low output enables. All three types have identical
pinouts.

See the datasheet:

https://focus.ti.com/lit/ds/symlink/cd74hct241.pdf

There are a plethora of '244 varients (S, LS, HC, AHC, etc.)

What do you have in mind?

FoxyRick.

 

[anaoum]

74hc244 replacement

Im Building a MSP430 FET programmer and it uses a 74HC244, but i cant find any local distributers that have this part.
here is the schematic of what im building:

 

[IanP]

74hc244 footprint

If you are not tied up with a PCB design you can easily replace 244 with 2 X 74125, or 2 X 74365 or 2 x 74367 (C or HC for 3.3V supply).

From the 244 internal diagram identify gates' inputs and outputs and you can replace them with gates from the alternative ICs.

 

[anaoum]

ic 74hc244

Thats the problem...

my pcb design is already made so i cant really do that

 

[KrunCH]

what i can replace ic 74hc244

You can order a 74HC244 as sample from TI. I did it for my MSP-FET

 

[anaoum]

74hc244 5 to 3.3

KrunCH,

when did you order your sample, because i tried recently and they dont offer it anymore.

 

[KrunCH]

texas instruments 74hc244

anaoum,

I have ordered it in october last year.
But I have checked now, and you are right, they stopped sending samples of mature products.
Maybe you can search for a 244 family compatible device in the new products for whigh they give samples

 

[whitenoise]

74hc244 focusti

Hi, anaoum

What type of footprint do your pcb have?
if the TSSOP package is ok you can order sample from TI of

SN74AHC244QPWR

Otherways when you are in the sample request form of TI if you click on "Browse TI Product Family Tree" you can see all the non inverting buffer thet they can send you.

Hope it helps,
bye wn.

 

[nicleo]

74hc244 replace

You can apply sample from On Semiconductor here:
https://www.onsemi.com/site/products/summary/0,4450,MC74HC244A,00.html

... but you need to pay some USDs for shipping/handling.


BTW, you can buy online here:
https://www.futurlec.com/IC74HC00Series.shtml
The shipping cost is not expensive.

 

[anaoum]

74hc244 example

hi nicleo,

futurlec dont have the surface mount version of the 74HC244

thanks anyway

 

[nicleo]

ti 74hc244

Try DigiKey... you will find many SMT version of xx74HC244.