SN74ALS521DW vs SN74ALS521DWR

Product Attributes

Part Number SN74ALS521DW SN74ALS521DWR
Manufacturer Texas Instruments Texas Instruments
Category Logic - Comparators Logic - Comparators
SN74ALS521DW SN74ALS521DWR
Product Status Active Active
Type Identity Comparator Identity Comparator
Number of Bits 8 8
Output Active Low Active Low
Output Function A=B A=B
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V
Current - Output High, Low 2.6mA, 24mA 2.6mA, 24mA
Max Propagation Delay @ V, Max CL 20ns @ 5V, 50pF 20ns @ 5V, 50pF
Current - Quiescent (Iq) - -
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C
Package / Case 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.295", 7.50mm Width)
Supplier Device Package 20-SOIC 20-SOIC
Mounting Type Surface Mount Surface Mount