| Part | SN74F21 |
|---|---|
| Description | Dual 4-Input Positive-AND Gates |
| Manufacturer | Texas Instruments |
| Size | 630.13 KB |
Package: PDIP
Mount Type: Through Hole
Pins: 14
Operating Voltage: 5 V
These devices contain two independent 4-input AND gates. They perform the Boolean functions Y = A - B - C - D or Y = A + B + C + D in positive logic.
| Seller | Inventory | Price Breaks | Buy |
|---|---|---|---|
| DigiKey | 952 | 1+ : 1.08 USD 10+ : 0.782 USD 25+ : 0.7068 USD 100+ : 0.6236 USD |
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| Verical | 4322 | 481+ : 0.781 USD 534+ : 0.7029 USD 1000+ : 0.6483 USD 10000+ : 0.578 USD |
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| Part Number | Manufacturer | Description |
|---|---|---|
| 7404 | Fairchild Semiconductor | Hex Inverting Gates |
| SN74HC00N | Texas Instruments | Quadruple 2-Input Positive-NAND Gates |
| 7408 | Fairchild Semiconductor | Quad 2-Input AND Gates |