7421 Dual 4-Input AND Gate IC PDIP-14
Prices updated: 12 Oct 2026
Compare prices
| Store | product | Price | View in store |
|---|---|---|---|
 MicroohmCheapest | 7421 Dual 4-input AND Gate | 20 EGP25 | View in store |
 Makers Electronics | 7421 Dual 4-Input AND Gates 7V 2.2A IC PDIP-14 | 20 EGP | View in store |
Price history
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Lowest price recorded: 20 EGP
About this product
The 7421 is a TTL integrated circuit containing two 4-input AND gates in a 14-pin PDIP package. Its outputs interface directly with CMOS, NMOS and TTL logic. It is marked as not recommended for new designs, and the 74LS21 is the suggested replacement.
Specifications
- Gates
- 2 x 4-input AND
- Logic family
- TTL (74 series)
- Package
- PDIP-14
- Maximum supply voltage
- 7 V
- Output compatibility
- CMOS, NMOS, TTL
- Power pins
- Pin 14 Vcc, Pin 7 GND
Frequently asked questions
What is the price of 7421 Dual 4-Input AND Gate IC PDIP-14 in Egypt?
7421 Dual 4-Input AND Gate IC PDIP-14 currently costs 20 EGP in Egypt.
Where can I buy 7421 Dual 4-Input AND Gate IC PDIP-14 in Egypt?
7421 Dual 4-Input AND Gate IC PDIP-14 is available from Microohm and Makers Electronics. Compare the offers above to find the best price.
Which pins are the power pins on the 7421?
Pin 14 is the positive supply (Vcc) and pin 7 is ground. Pins 3 and 11 are not connected.
Should I use the 7421 in a new design?
It is not recommended for new designs. The listing suggests the 74LS21 as a replacement, which keeps the same logic function with a modern LS-TTL family.
