1 / 6

Lecture No. 15

Lecture No. 15. Combinational Functional Devices. Recap. Half-Adder Full-Adder Parallel Binary Adder Carry Propagation Look-Ahead Carry Generator MSI 4-bit Adder Cascading 4-bit Adders. BCD Adder. BCD Addition and error conditions Single digit BCD Adder Circuit (fig 1)

sun
Download Presentation

Lecture No. 15

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Lecture No. 15 Combinational Functional Devices svbitec.wordpress.com

  2. Recap • Half-Adder • Full-Adder • Parallel Binary Adder • Carry Propagation • Look-Ahead Carry Generator • MSI 4-bit Adder • Cascading 4-bit Adders svbitec.wordpress.com

  3. BCD Adder • BCD Addition and error conditions • Single digit BCD Adder Circuit (fig 1) • BCD error detection ckt. (tab 1,fig 2,3) • Connection of error detection ckt. (fig4) svbitec.wordpress.com

  4. Cascading BCD Adders • 2 digit BCD Adder (fig5) • Adding BCD numbers (tab 2, 3) svbitec.wordpress.com

  5. Subtraction • 2’s Complement Subtraction • 2’s complement Subtraction example • Subtracter Circuit (fig 6) • 4-bit Adder/Subtracter Unit (fig 7) • Cascading Subtracters (fig 8) • Addition/Subtraction examples (tab 4 5) svbitec.wordpress.com

  6. ALU • MSI 4-bit ALUs • 74X181 32 functions • 74X381 8 functions group carry • 74X382 8 functions • Function of 74X381 ALU (tab 6) • Cascading 16-bit ALU • Group-Carry Look-Ahead (fig 9, 10) svbitec.wordpress.com

More Related