54LS279LMQB National Semiconductor

Description: R-S LATCH 1-BIT, TTL, Part Status: Active, Supplier Device Package: 20-LCCC (8.89x8.89), Delay Time - Propagation: 27ns, Current - Output High, Low: 400µA, 4mA, Independent Circuits: 4, Voltage - Supply: 4.5V ~ 5.5V, Operating Temperature: -55°C ~ 125°C, Logic Type: S-R Latch, Circuit: 1:1, Mounting Type: Surface Mount, Output Type: Standard, Package / Case: 20-CLCC, Packaging: Bulk.