SN74LS21NS vs SN74LS21NSR

Product Attributes

Part Number SN74LS21NS SN74LS21NSR
Manufacturer Texas Instruments Texas Instruments
Category Logic - Gates and Inverters Logic - Gates and Inverters
SN74LS21NS SN74LS21NSR
Product Status Active Active
Logic Type AND Gate AND Gate
Number of Circuits 2 2
Number of Inputs 4 4
Features - -
Voltage - Supply 4.75V ~ 5.25V 4.75V ~ 5.25V
Current - Quiescent (Max) - -
Current - Output High, Low 400µA, 8mA 400µA, 8mA
Logic Level - Low 0.4V ~ 0.5V 0.8V
Logic Level - High 3.4V 2V
Max Propagation Delay @ V, Max CL 20ns @ 5V, 15pF 20ns @ 5V, 15pF
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C
Mounting Type Surface Mount Surface Mount
Supplier Device Package 14-SO 14-SO
Package / Case 14-SOIC (0.209", 5.30mm Width) 14-SOIC (0.209", 5.30mm Width)