Details, datasheet, quote on part number: I74F244N
PartI74F244N
CategoryLogic => Buffers/Inverters => 3-State
DescriptionOctal Buffers 3-state
CompanyPhilips Semiconductors (Acquired by NXP)
DatasheetDownload I74F244N datasheet
Cross ref.Similar parts: SN74F244N, 5962-9758601QRA, SN54F240, SN54F241, SN74F241, CD54ACT241, CD54ACT244, CD54HCT241, CD54HCT244, CD74ACT241
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Features, Applications

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 = 40A) Split lead frame offers increased noise immunity (74F244B) Industrial temperature range available to +85C) for

DESCRIPTION

The 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 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

ORDER CODE COMMERCIAL RANGE DESCRIPTION Tamb +70C 20-pin plastic DIP 20-pin plastic SOL 20-pin plastic SSOP N74F244BD N74F244DB VCC 5V 10%,

PINS Ian, Ibn Data inputs (74F244) Data inputs (74F244B) OEa, OEb Output enable inputs (active low) (74F244) Output enable inputs (active low) (74F244B) Yan, Ybn Data outputs NOTE: One (1.0) FAST unit load is defined as: 20A in the high state and 0.6mA in the low state. DESCRIPTION 74F (U.L.) HIGH/LOW LOAD VALUE HIGH/LOW 20A/40A 15mA/64mA


NOTES: H = High voltage level L = Low voltage level X = Don't care Z = High impedance "off" state


 

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