
SN74F21D
Obsolete2-CH, 4-INPUT, 4.5-V TO 5.5-V HIGH-SPEED (6 NS) BIPOLAR AND GATE
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SN74F21D
Obsolete2-CH, 4-INPUT, 4.5-V TO 5.5-V HIGH-SPEED (6 NS) BIPOLAR AND GATE
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Technical Specifications
Parameters and characteristics for this part
| Specification | SN74F21D |
|---|---|
| Current - Output High, Low [custom] | 1 mA |
| Current - Output High, Low [custom] | 20 mA |
| Current - Quiescent (Max) [Max] | 4.3 mA |
| Input Logic Level - Low | 0.8 V |
| Logic Type | AND Gate |
| Max Propagation Delay @ V, Max CL | 5.1 ns |
| Mounting Type | Surface Mount |
| Number of Circuits | 2 |
| Number of Inputs | 4 |
| Operating Temperature [Max] | 70 °C |
| Operating Temperature [Min] | 0 °C |
| Package / Case | 14-SOIC |
| Package / Case [x] | 0.154 in |
| Package / Case [y] | 3.9 mm |
| Voltage - Supply [Max] | 5.5 V |
| Voltage - Supply [Min] | 4.5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tube | 1 | $ 1.29 | |
| 10 | $ 1.16 | |||
| 50 | $ 1.10 | |||
| 100 | $ 0.90 | |||
| 250 | $ 0.84 | |||
| 500 | $ 0.74 | |||
| 1000 | $ 0.59 | |||
| Texas Instruments | TUBE | 1 | $ 0.96 | |
| 100 | $ 0.74 | |||
| 250 | $ 0.54 | |||
| 1000 | $ 0.39 | |||
Description
General part information
SN74F21 Series
These devices contain two independent 4-input AND gates. They perform the Boolean functions Y = A \x95 B \x95 C \x95 D orin positive logic.
The SN54F21 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F21 is characterized for operation from 0°C to 70°C.
These devices contain two independent 4-input AND gates. They perform the Boolean functions Y = A \x95 B \x95 C \x95 D orin positive logic.
Documents
Technical documentation and resources