(China (Mainland))
Product Summary
The SN74AHCT244DW is an octal buffer/driver. The SN74AHCT244DW is designed specifically to improve both the performance and density of 3-state memory-address drivers, clock drivers, and bus-oriented receivers and transmitters. The SN74AHCT244DW device is organized as two 4-bit buffers/line drivers with separate output-enable (OE) inputs. When OE is low, the device passes data from the A inputs to the Y outputs. When OE is high, the outputs are in the high-impedance state.
Parametrics
SN74AHCT244DW absolute maximum ratings: (1)Supply voltage range, VCC: –0.5 V to 7 V; (2)Input voltage range, VI: –0.5 V to 7 V; (3)Output voltage range, VO: –0.5 V to VCC + 0.5 V; (4)Input clamp current, IIK (VI ＜0): –20 mA; (5)Output clamp current, IOK (VO ＜0 or VO＞VCC): ±20 mA; (6)Continuous output current, IO (VO = 0 to VCC): ±25 mA; (7)Continuous current through VCC or GND: ±75 mA; (8)Package thermal impedance, θJA: DB package: 70℃/W, DGV package: 92℃/W, DW package: 58℃/W, N package: 69℃/W, NS package: 60℃/W, PW package: 83℃/W; (9)Storage temperature range, Tstg: –65℃ to 150℃.
Features
SN74AHCT244DW features: (1) Inputs Are TTL-Voltage Compatible; (2) Latch-Up Performance Exceeds 250 mA Per JESD 17.
Diagrams
| Image | Part No | Mfg | Description |  |
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 SN74AHCT244DW |
Texas Instruments |
Buffers & Line Drivers Tri-State Octal |
Data Sheet |
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SN74AHCT244DWE4 |
Texas Instruments |
Buffers & Line Drivers Octal Buffer/Driver With 3-State Outputs |
Data Sheet |
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SN74AHCT244DWR |
Texas Instruments |
Buffers & Line Drivers Tri-State Octal |
Data Sheet |
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SN74AHCT244DWG4 |
Texas Instruments |
Buffers & Line Drivers Octal Buffer Driver |
Data Sheet |
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SN74AHCT244DWRE4 |
Texas Instruments |
Buffers & Line Drivers Octal Buffer/Driver With 3-State Outputs |
Data Sheet |
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SN74AHCT244DWRG4 |
Texas Instruments |
Buffers & Line Drivers Octal Buffer Driver |
Data Sheet |
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