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SN74xx Standard Logic Gates & Flip-Flops

86 variants · Texas Instruments

About the SN74xx Standard Logic Gates & Flip-Flops

The Texas Instruments SN74xx Standard Logic Gates & Flip-Flops series groups 86 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
6-TSSOP, SC-88, SOT-363 · 8-VFSOP (0.091\", 2.30mm Width) · 14-SOIC (0.154\", 3.90mm Width) · 14-TSSOP (0.173\", 4.40mm Width) · 20-DIP (0.300\", 7.62mm) · 20-SOIC (0.209\", 5.30mm Width) · 20-SSOP (0.209\", 5.30mm Width) · 20-TSSOP (0.173\", 4.40mm Width) · 24-TSSOP (0.173\", 4.40mm Width) · 48-TFSOP (0.240\", 6.10mm Width) · SC-74A, SOT-753
Mounting
Surface Mount · Through Hole
Operating temperature
-40°C ~ 85°C · -40°C ~ 85°C (TA) · -40°C ~ 125°C (TA) · 0°C ~ 70°C (TA)
Package
Tape & Reel (TR); Cut Tape (CT) · Tube
Voltage
0.8V ~ 3.6V · 1.2V ~ 3.6V · 1.65V ~ 5.5V · 2V ~ 6V · 4.5V ~ 5.5V · 4.75V ~ 5.25V
Current - output high, low
-, 4mA · -, 24mA · -, 40mA · 4mA, 4mA · 6mA, 6mA · 7.8mA, 7.8mA · 12mA, 12mA · 32mA, 64mA
Logic type
Buffer, Inverting · Buffer, Non-Inverting · Inverter · Transceiver, Non-Inverting · Translation Transceiver

Variant comparison

ParameterSN74ABT244APWRSN74AUP1G240DBVTSN74AUP2G126DCURSN74CBTD16210DGGRSN74HCT245NSRSN74LS07DR
Case20-TSSOP (0.173\", 4.40mm Width)SC-74A, SOT-7538-VFSOP (0.091\", 2.30mm Width)48-TFSOP (0.240\", 6.10mm Width)20-SOIC (0.209\", 5.30mm Width)14-SOIC (0.154\", 3.90mm Width)
MountingSurface MountSurface MountSurface MountSurface MountSurface MountSurface Mount
Operating temperature-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C (TA)-40°C ~ 85°C-40°C ~ 85°C (TA)0°C ~ 70°C (TA)
PackageTape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)Tape & Reel (TR); Cut Tape (CT)
Voltage4.5V ~ 5.5V0.8V ~ 3.6V0.8V ~ 3.6V4.5V ~ 5.5V4.5V ~ 5.5V4.75V ~ 5.25V
Current - output high, low32mA, 64mA4mA, 4mA4mA, 4mA6mA, 6mA-, 40mA
Logic typeBuffer, Non-InvertingBuffer, InvertingBuffer, Non-InvertingTransceiver, Non-InvertingBuffer, Non-Inverting

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