74F244B

INTEGRATED CIRCUITS 74F244/74F244B Octal buffers (3-State) Product specification IC15 Data Handbook 1994 Dec 05 Philips Semiconductors Philips Semiconductors Product specification Octal buffers (3-State) 74F244/74F244B FEATURES Octal bus interface 3-State output buffer sink 64mA 15mA source current Guaranteed output skew less than 2.0ns (74F244B) Reduced ground bounce (74F244B) Reduced ICC (74F244B) Reduced loading (74F244B IIL = 40µA) Split lead frame offers increased noise immunity (74F244B) Industrial temperature range available (-40°C to +85°C) for 74F244 DESCRIPTION The 74F244 is an octal buffer that is ideal for driving bus lines of buffer memory address registers. The outputs are all capable of sinking 64mA and sourcing up to 15mA, producing very good capacitive drive characteristics. The device features two output enables, OEa and OEb, each controlling four of the 3-State outputs. The 74F244B is functionally equivalent to the 74F244. It has been designed to reduce effects of ground noise. Other advantages are noted in the features. TYPICAL PROPAGATION DELAY 4.0ns 4.0ns TYPE 74F244 74F244B TYPICAL SUPPLY CURRENT (TOTAL) 53mA 33mA 74F244 available in SSOP Type II package ORDERING INFORMATION ORDER CODE COMMERCIAL RANGE DESCRIPTION Tamb = 0°C to +70°C 20-pin plastic DIP 20-pin plastic SOL 20-pin plastic SSOP II N74F244N, N74F244BN N74F244D, N74F244BD N74F244DB VCC = 5V ±10%, INDUSTRIAL RANGE Tamb = -40°C to +85°C I74F244N I74F244D VCC = 5...