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SN74xx Standard Logic Gates & Flip-Flops

158 variants · Texas Instruments

About the SN74xx Standard Logic Gates & Flip-Flops

The Texas Instruments SN74xx Standard Logic Gates & Flip-Flops series groups 158 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Variants differ by case, current - output high, low and mounting, so you can match the exact case your application requires using the selection guide below.

Select a variant by

Case
5-TSSOP, SC-70-5, SOT-353 · 14-SOIC (0.154\", 3.90mm Width) · 14-TSSOP (0.173\", 4.40mm Width) · 16-SOIC (0.154\", 3.90mm Width) · 20-DIP (0.300\", 7.62mm) · 20-SOIC (0.209\", 5.30mm Width) · 20-SOIC (0.295\", 7.50mm Width) · 20-SSOP (0.209\", 5.30mm Width) · SOT-553
Current - output high, low
8mA, 8mA · 24mA, 24mA · 32mA, 64mA
Mounting
Surface Mount · Through Hole
Operating temperature
-40°C ~ 85°C · -40°C ~ 85°C (TA) · -40°C ~ 105°C · -40°C ~ 125°C
Package
Bulk · Tape & Reel (TR); Cut Tape (CT) · Tube
Voltage
2V ~ 5.5V · 2V ~ 6V · 4.5V ~ 5.5V
Current - quiescent
1 µA · 2 µA · 4 µA · 250 µA · 400 µA

Variant comparison

ParameterSN74ABT273NSN74ABT574ANSRSN74AC00PWRSN74AC373DWSN74AC564DBLESN74AC574N
Case20-DIP (0.300\", 7.62mm)20-SOIC (0.209\", 5.30mm Width)14-TSSOP (0.173\", 4.40mm Width)20-SOIC (0.295\", 7.50mm Width)20-SSOP (0.209\", 5.30mm Width)20-DIP (0.300\", 7.62mm)
Current - output high, low32mA, 64mA32mA, 64mA24mA, 24mA24mA, 24mA24mA, 24mA24mA, 24mA
MountingThrough HoleSurface MountSurface MountSurface MountSurface MountThrough Hole
Operating temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C-40°C ~ 85°C-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)
PackageTubeTape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)TubeBulkTube
Voltage4.5V ~ 5.5V4.5V ~ 5.5V2V ~ 6V2V ~ 6V2V ~ 6V2V ~ 6V
Current - quiescent400 µA250 µA2 µA4 µA4 µA

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