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Technical Specifications
Parameters and characteristics for this part
| Specification | SN74AHC244NS |
|---|---|
| Current - Output High, Low [custom] | 8 mA |
| Current - Output High, Low [custom] | 8 mA |
| Logic Type | Buffer, Non-Inverting |
| Mounting Type | Surface Mount |
| Number of Bits per Element | 4 |
| Number of Elements | 2 |
| Operating Temperature [Max] | 125 °C |
| Operating Temperature [Min] | -40 °C |
| Output Type | 3-State |
| Package / Case | 20-SOIC |
| Package / Case | 0.209 " |
| Package / Case | 5.3 mm |
| Supplier Device Package | 20-SO |
| Voltage - Supply [Max] | 5.5 V |
| Voltage - Supply [Min] | 2 V |
SN74AHC244-Q1 Series
Enhanced product 8-ch, 2-V to 5.5-V buffers with 3-state outputs
| Part | Supplier Device Package | Package / Case | Package / Case [y] | Package / Case [y] | Output Type | Current - Output High, Low [custom] | Current - Output High, Low [custom] | Voltage - Supply [Max] | Voltage - Supply [Min] | Number of Bits per Element | Logic Type | Operating Temperature [Min] | Operating Temperature [Max] | Number of Elements | Mounting Type | Operating Temperature [Max] | Operating Temperature [Min] | Package / Case | Package / Case | Package / Case [x] | Grade | Qualification |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 Texas Instruments | 20-SOIC | 20-SOIC | 0.295 in | 7.5 mm | 3-State | 8 mA | 8 mA | 5.5 V | 2 V | 4 | Buffer Non-Inverting | -40 °C | 125 °C | 2 | Surface Mount | |||||||
Texas Instruments | 20-SOIC | 20-SOIC | 0.295 in | 7.5 mm | 3-State | 8 mA | 8 mA | 5.5 V | 2 V | 4 | Buffer Non-Inverting | 2 | Surface Mount | 125 °C | -55 °C | |||||||
 Texas Instruments | 20-TVSOP | 20-TFSOP | 0.173 in | 4.4 mm | 3-State | 8 mA | 8 mA | 5.5 V | 2 V | 4 | Buffer Non-Inverting | -40 °C | 125 °C | 2 | Surface Mount | |||||||
 Texas Instruments | 20-PDIP | 20-DIP | 3-State | 8 mA | 8 mA | 5.5 V | 2 V | 4 | Buffer Non-Inverting | -40 °C | 125 °C | 2 | Through Hole | 7.62 mm | 0.3 in | |||||||
 Texas Instruments | 20-TSSOP | 20-TSSOP | 4.4 mm | 3-State | 8 mA | 8 mA | 5.5 V | 2 V | 4 | Buffer Non-Inverting | -40 °C | 125 °C | 2 | Surface Mount | 0.173 in | Automotive | AEC-Q100 | |||||
Texas Instruments | 20-SOIC | 20-SOIC | 0.295 in | 7.5 mm | 3-State | 8 mA | 8 mA | 5.5 V | 2 V | 4 | Buffer Non-Inverting | -40 °C | 125 °C | 2 | Surface Mount | |||||||
 Texas Instruments | 20-TSSOP | 20-TSSOP | 4.4 mm | 3-State | 8 mA | 8 mA | 5.5 V | 2 V | 4 | Buffer Non-Inverting | -40 °C | 125 °C | 2 | Surface Mount | 0.173 in | |||||||
Texas Instruments | 20-SO | 20-SOIC | 3-State | 8 mA | 8 mA | 5.5 V | 2 V | 4 | Buffer Non-Inverting | -40 °C | 125 °C | 2 | Surface Mount | 5.3 mm | 0.209 " | |||||||
 Texas Instruments | 20-SOIC | 20-SOIC | 0.295 in | 7.5 mm | 3-State | 8 mA | 8 mA | 5.5 V | 2 V | 4 | Buffer Non-Inverting | -40 °C | 125 °C | 2 | Surface Mount | Automotive | AEC-Q100 | |||||
Texas Instruments | 20-TSSOP | 20-TSSOP | 4.4 mm | 3-State | 8 mA | 8 mA | 5.5 V | 2 V | 4 | Buffer Non-Inverting | -40 °C | 125 °C | 2 | Surface Mount | 0.173 in |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| Digikey | Tube | 1 | $ 1.36 | |
| 10 | $ 1.22 | |||
| 40 | $ 1.15 | |||
| 120 | $ 0.95 | |||
| 280 | $ 0.89 | |||
| 520 | $ 0.78 | |||
| 1000 | $ 0.62 | |||
Description
General part information
SN74AHC244-Q1 Series
This octal buffer/driver is designed specifically to improve the performance and density of 3-state memory-address drivers, clock drivers, and bus-oriented receivers and transmitters.
The SN74AHC244 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.
To ensure the high-impedance state during power up or power down, OE\ should be tied to VCCthrough a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Documents
Technical documentation and resources
No documents available