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74AC244

ON Semiconductor
Part Number 74AC244
Manufacturer ON Semiconductor
Description Octal Buffer/Line Driver
Published Oct 11, 2023
Detailed Description Octal Buffer/Line Driver with 3-STATE Outputs 74AC244, 74ACT244 General Description The AC/ACT244 is an octal buffer and...
Datasheet PDF File 74AC244 PDF File

74AC244
74AC244

Overview
Octal Buffer/Line Driver with 3-STATE Outputs 74AC244, 74ACT244 General Description The AC/ACT244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus−oriented transmitter/receiver which provides improved PC board density.
Features • ICC and IOZ Reduced by 50% • 3−STATE Outputs Drive Bus Lines or Buffer Memory Address Registers • Outputs Source/Sink 24 mA • ACT244 has TTL−Compatible Inputs OE1 I0 O4 I1 O5 I2 O6 I3 O7 GND VCC OE2 O0 I4 O1 I5 O2 I6 O3 I7 Figure 1.
Connection Diagram IEEE/IEC OE1 I0 O0 I1 O1 I2 O2 I3 O3 OE2 I4 O4 I5 O5 I6 O6 I7 O7 Figure 2.
Logic Symbol DATA SHEET www.
onsemi.
com SOIC−20, 300 mils CASE 751BJ−01 SOIC−20 WB CASE 751D−05 TSSOP−20 WB CASE 948E TSSOP20, 4.
4 x 6.
5 CASE 948AQ−01 MARKING DIAGRAMS SOIC−20 20 XXXXXX AWLYYWWG 1 XXXXXX A WL YY WW G = Specific Device Code = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package TSSOP−20 XXX XXX ALYWG G XXXXXX A L Y W G = Specific Device Code = Assembly Location = Wafer Lot = Year = Work Week = Pb−Free Package (Note: Microdot may be in either location) ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 6 of this data sheet.
© Semiconductor Components Industries, LLC, 1988 1 March, 2024 − Rev.
3 Publication Order Number: 74ACT244/D 74AC244, 74ACT244 PIN DESCRIPTION Pin Name Description OE1, OE2 I0−I7 O0−O7 3−STATE Output Enable Inputs Inputs Outputs TRUTH TABLE Inputs Outputs OE1 In (Pins 12, 14, 16, 18) L L L L H H H X Z NOTE: X = Immaterial, Z = High Impedance TRUTH TABLE (continued) Inputs OE2 In L L L H H X Outputs (Pins 3, 5, 7, 9) L H Z ABSOLUTE MAXIMUM RATINGS Parameter Symbol Rating Unit Supply Voltage DC Input Diode Current VI = −0.
5 V VCC −0.
5 to +6.
5 V IIK mA −20 VI = VCC + 0.
5 +20 DC Input Voltage VI −0.
5 to VCC + 0.
5 V DC Output Diode Current VO = −0.
5 V IOK mA −20 VI = VCC...


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