DM74ALS521N vs DM74ALS520N

Product Attributes

Part Number DM74ALS521N DM74ALS520N
Manufacturer Fairchild Semiconductor Fairchild Semiconductor
Category Logic - Comparators Logic - Comparators
DM74ALS521N DM74ALS520N
Product Status Obsolete Obsolete
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-DIP (0.300", 7.62mm) 20-DIP (0.300", 7.62mm)
Supplier Device Package 20-PDIP 20-PDIP
Mounting Type Through Hole Through Hole