
7440 Dual 4-Input Positive NAND Buffer IC (74 Series)
Prices updated: 13 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
Makers Electronics | 7440 Dual 4-Input Positive NAND Buffers | 22 EGP | View in store |
Price history
Lowest daily price, last 90 days
Lowest price recorded: 22 EGP
About this product
The 7440 is a TTL dual 4-input positive NAND buffer IC from the 74 series. It contains two independent gates, each with four inputs, and is used in digital logic circuits to combine signals and drive loads. It is supplied in a through-hole package.
Specifications
- Logic family
- 74 Series (TTL)
- Function
- Dual 4-input positive NAND buffer
- Gates
- 2
- Inputs per gate
- 4
- Supply voltage
- 5 V
- Package
- DIP-14, through-hole
Frequently asked questions
What is the price of 7440 Dual 4-Input Positive NAND Buffer IC (74 Series) in Egypt?
7440 Dual 4-Input Positive NAND Buffer IC (74 Series) currently costs 22 EGP in Egypt.
Where can I buy 7440 Dual 4-Input Positive NAND Buffer IC (74 Series) in Egypt?
7440 Dual 4-Input Positive NAND Buffer IC (74 Series) is available from Makers Electronics. Compare the offers above to find the best price.
When does the output of a 7440 go low?
In a NAND gate the output is low only when all four inputs of that gate are high. Otherwise the output is high.
What should I do with unused inputs?
Do not leave TTL inputs floating. Tie unused inputs to a defined logic level, such as high through a pull-up resistor, or connect them to a used input.





