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74ALS244A-1

NXP
Part Number 74ALS244A-1
Manufacturer NXP
Description Octal buffer
Published Apr 3, 2005
Detailed Description INTEGRATED CIRCUITS 74ALS244A/74ALS244A–1 Octal buffer (3–State) Product specification IC05 Data Handbook 1991 Feb 08 ...
Datasheet PDF File 74ALS244A-1 PDF File

74ALS244A-1
74ALS244A-1

Overview
INTEGRATED CIRCUITS 74ALS244A/74ALS244A–1 Octal buffer (3–State) Product specification IC05 Data Handbook 1991 Feb 08 Philips Semiconductors Philips Semiconductors Product specification Octal buffer (3-State) 74ALS244A/74ALS244A-1 FEATURES • Octal bus interface • 3-State buffer outputs sink 24mA and source 15mA • The -1 version sinks 48mA DESCRIPTION The 74ALS244A is an octal buffer that is ideal for driving bus lines or buffer memory address registers.
The outputs are all capable of sinking 24mA 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 74ALS244A-1 sinks 48 mA IOL if the VCC is limited to 5.
0V ±0.
25V.
TYPICAL PROPAGATION DELAY 4.
5ns 4.
5ns TYPICAL SUPPLY CURRENT (TOTAL) 17mA 17mA PIN CONFIGURATION OEa 1 Ia0 2 Yb0 3 Ia1 4 Yb1 5 Ia2 6 Yb2 7 Ia3 8 Yb3 9 GND 10 20 VCC 19 OEb 18 Ya0 17 Ib0 16 Ya1 15 Ib1 14 Ya2 13 Ib2 12 Ya3 11 Ib3 SF00227 ORD...


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