internal circuitry and pin configuration of 74LS189 IC

[eleanor]

hello to all electronic enthusiast out there!!!

im looking for the internal circuitry and pin configuration of a very rare IC, the 74LS189.....to be used in our project. can somebody please help me look for it...im quite desperate coz the deadline of the project is 2 weeks away.
i cant find it even in the internet...

thanks

 

[Roff]

hello to all electronic enthusiast out there!!!

im looking for the internal circuitry and pin configuration of a very rare IC, the 74LS189.....to be used in our project. can somebody please help me look for it...im quite desperate coz the deadline of the project is 2 weeks away.
i cant find it even in the internet...

thanks

Here's the **broken link removed**. I can't help you with internal circuitry.

 

[Sebi]

New project with 189?? This is min.20 years old...

 

[muki55]

datasheet 74LS189

hope it will help you

 

[William At MyBlueRoom]

Wow, an eight byte (or 16 nibble) SRAM.

Tell your instructor to sell his PDP-11 and update the courseware.