SN74F21N vs SN74F20N

Product Attributes

Part Number SN74F21N SN74F20N
Manufacturer Texas Instruments Texas Instruments
Category Logic - Gates and Inverters Logic - Gates and Inverters
SN74F21N SN74F20N
Product Status Active Active
Logic Type AND Gate NAND Gate
Number of Circuits 2 2
Number of Inputs 4 4
Features - -
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V
Current - Quiescent (Max) 4.3 mA -
Current - Output High, Low 1mA, 20mA 1mA, 20mA
Logic Level - Low 0.8V 0.8V
Logic Level - High 2V 2V
Max Propagation Delay @ V, Max CL 5.1ns @ 5V, 50pF 6ns @ 5V, 50pF
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C
Mounting Type Through Hole Through Hole
Supplier Device Package 14-PDIP 14-PDIP
Package / Case 14-DIP (0.300", 7.62mm) 14-DIP (0.300", 7.62mm)