SN74HC21DT vs SN74HC20DT

Product Attributes

Part Number SN74HC21DT SN74HC20DT
Manufacturer Texas Instruments Texas Instruments
Category Logic - Gates and Inverters Logic - Gates and Inverters
SN74HC21DT SN74HC20DT
Product Status Active Discontinued at Digi-Key
Logic Type AND Gate NAND Gate
Number of Circuits 2 2
Number of Inputs 4 4
Features - -
Voltage - Supply 2V ~ 6V 2V ~ 6V
Current - Quiescent (Max) 2 µA 2 µA
Current - Output High, Low 5.2mA, 5.2mA 5.2mA, 5.2mA
Logic Level - Low 0.5V ~ 1.8V 0.5V ~ 1.8V
Logic Level - High 1.5V ~ 4.2V 1.5V ~ 4.2V
Max Propagation Delay @ V, Max CL 19ns @ 6V, 50pF 19ns @ 6V, 50pF
Operating Temperature -40°C ~ 85°C -40°C ~ 85°C
Mounting Type Surface Mount Surface Mount
Supplier Device Package 14-SOIC 14-SOIC
Package / Case 14-SOIC (0.154", 3.90mm Width) 14-SOIC (0.154", 3.90mm Width)