SN74LS20N
Texas Instruments
Through Hole74LS0°C ~ 70°C
Ref. price$1.2
Lead time on requestGet quote
SN74xx Standard Logic Gates & Flip-Flops
215 variants · Texas InstrumentsAll Interface & Transceivers →
About the SN74xx Standard Logic Gates & Flip-Flops
The Texas Instruments SN74xx Standard Logic Gates & Flip-Flops series groups 215 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Variants differ by case, mounting and operating temperature, so you can match the exact case your application requires using the selection guide below.
Select a variant by
- Case
- 14-DIP (0.300\", 7.62mm) · 14-SOIC (0.154\", 3.90mm Width) · 14-SOIC (0.209\", 5.30mm Width) · 14-SSOP (0.209\", 5.30mm Width) · 14-TFSOP (0.173\", 4.40mm Width) · 14-TSSOP (0.173\", 4.40mm Width) · 28-DIP (0.300\", 7.62mm) · 32-LCC (J-Lead)
- Mounting
- Surface Mount · Through Hole
- Operating temperature
- -40°C ~ 85°C · -40°C ~ 125°C · 0°C ~ 70°C
- Package
- Bulk · Tape & Reel (TR); Cut Tape (CT) · Tube
- Voltage
- 2V ~ 5.5V · 2V ~ 6V · 4.5 V ~ 5.5 V · 4.5V ~ 5.5V · 4.75V ~ 5.25V
- Current - output high, low
- 8mA, 8mA · 24mA, 24mA · 800µA, 16mA
- I/O channels
- 1 · 2
- Input logic level - high
- 1.2V ~ 2.1V · 1.5V ~ 3.85V · 2V · 2.1V ~ 3.85V · 2.2V ~ 3.85V
Variant comparison
| Parameter | SN7414NSR | SN74AC00DR | SN74ACT08PW | SN74ACT14N | SN74ACT14NS | SN74ACT7200L25NP |
|---|---|---|---|---|---|---|
| Case | 14-SOIC (0.209\", 5.30mm Width) | 14-SOIC (0.154\", 3.90mm Width) | 14-TSSOP (0.173\", 4.40mm Width) | 14-DIP (0.300\", 7.62mm) | 14-SOIC (0.209\", 5.30mm Width) | 28-DIP (0.300\", 7.62mm) |
| Mounting | Surface Mount | Surface Mount | Surface Mount | Through Hole | Surface Mount | Through Hole |
| Operating temperature | 0°C ~ 70°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | 0°C ~ 70°C |
| Package | Tape & Reel (TR); Cut Tape (CT) | Tape & Reel (TR); Cut Tape (CT) | Tube | Tube | Tube | Bulk |
| Voltage | 4.75V ~ 5.25V | 2V ~ 6V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5 V ~ 5.5 V |
| Current - output high, low | 800µA, 16mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | — |
| I/O channels | 1 | 2 | 2 | 1 | 1 | — |
| Input logic level - high | 2V | 2.1V ~ 3.85V | 2V | 1.2V ~ 2.1V | 1.2V ~ 2.1V | — |
Request a quote on any SN74xx Standard Logic Gates & Flip-Flops part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.
