SN74LS221DR vs SN74LS221DBR

Product Attributes

Part Number SN74LS221DR SN74LS221DBR
Manufacturer Texas Instruments Texas Instruments
Category Logic - Multivibrators Logic - Multivibrators
SN74LS221DR SN74LS221DBR
Product Status Active Active
Logic Type Monostable Monostable
Independent Circuits 2 2
Schmitt Trigger Input No No
Propagation Delay 45 ns 45 ns
Current - Output High, Low 400µA, 8mA 400µA, 8mA
Voltage - Supply 4.75 V ~ 5.25 V 4.75 V ~ 5.25 V
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C
Mounting Type Surface Mount Surface Mount
Package / Case 16-SOIC (0.154", 3.90mm Width) 16-SSOP (0.209", 5.30mm Width)
Supplier Device Package 16-SOIC 16-SSOP