IC 7495 is a shift register IC. It is also known as IC74LS95. It is a 4-bit device and has both serial and parallel synchronous operating modes. In this article, we are going to see a pin diagram of IC 7495, IC 7495 internal circuit, IC 7495 truth table, or functional table. The main application of this IC 7495 is encryption and decryption in digital circuits.
Here, you can see the pin diagram of IC 7495
You can see, here a total of 14 pins are there.
- Pin No. 1 – Serial Input
- Pin No. 2 – A (Parallel Input)
- Pin No. 3 – B (Parallel Input)
- Pin No. 4 – C (Parallel Input)
- Pin No. 5 – D (Parallel Input)
- Pin No. 6 – Mode Control
- Pin No. 7 – Ground
- Pin No. 8 – Clock 2 (L – Shift)
- Pin No. 9 – Clock 1 (R – Shift)
- Pin No. 10 – QD (output)
- Pin No. 11 – QC (output)
- Pin No. 12 – QB (output)
- Pin No. 13 – QA (output)
- Pin No. 14 – Vcc
Specifications:
- VCC (Min): 4.75V
- VCC (Max): 5.25
- Operating Voltage (Nom): 5V
- Frequency at normal voltage (Typ.): 36MHz
- IOL (Max): 8mA
- IOH (Max):-0.4mA
- Rating: Catalog
- Available in 14-pin PDIP package
- Sync Parallel Load
- Separate Shift and Load Clock Inputs
IC 7495 Internal Circuit Diagram
Here, you can see the internal circuit diagram of IC 7495
click on the image to enlarge
The left and right shifts are operated by separate clocks. The R-shift is operated by clock 1 and the left shift is operated by clock 2. You can also see the mode control terminal is connected to the AND gate which is also connected to the Clock 2 terminal. The four outputs have come from four RS Flip Flop Circuits. You can see, that the mode control terminal is connected through the clamp diodes. These clamp diodes helped to limit the high-speed termination effect. Here, all the shifts and parallel loads are synchronous.
IC 7495 Truth Table
Here, you can see the functional table or truth table of IC 7495.
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