Differences Between 8253 and 8254
Here are the major Differences Between 8253 and 8254 as mentioned below.
Aspects | 8253 | 8254 |
---|---|---|
Manufacturing Technology | NMOS | HMOS |
Maximum Clock Frequency | 2.6 MHz | 10 MHz |
Operating Voltage | 5V | 5V |
Power Consumption | Higher compared to 8254 | Lower compared to 8253 |
Binary/BCD Mode | Both modes available | Both modes available |
Counter Size | 16-bit counters | 16-bit counters |
Number of Counters | 3 | 3 |
Mode Compatibility | Compatible with Intel 8255 | Compatible with Intel 8255 |
Read/Write Operations | Read/Write operations are sequential | Supports Read Back command |
Control Word Format | Single control word format | Enhanced control word format |
Counter Latch Command | Available | Available |
Operating Modes | 6 Modes | 6 Modes |
Initialization Time | Longer initialization time | Shorter initialization time |
Gate Control | Software control | Software control |
Input Pin Names | CLK, GATE, OUT | CLK, GATE, OUT |
Operating Temperature Range | Standard commercial range | Industrial range available |
Package Types | DIP, PLCC | DIP, PLCC |
Reset Behavior | Not explicitly defined | Defined reset behavior |
Maximum Count | 2^16 – 1 | 2^16 – 1 |
Availability | Legacy component | Enhanced and widely used |
Differences Between 8253 and 8254
Both 8253 and 8254 are Programmable Interval Timers (PTIs) which are designed to perform different functions like time and counting by using triple 16-bit registers. Both 8253 and 8254 have 2 input pins and 1 output pin. In this article, we are going to discuss the Differences Between 8253 and 8254 in detail.
Table of Content
- What is 8253 ?
- Block Diagram For 8253
What is 8254 ?- Applications
- Block Diagram For 8254
Differences Between 8253 and 8254
Contact Us