| Part Number | 74LS240 Datasheet |
|---|---|
| Manufacturer | onsemi |
| Overview |
SN74LS240 SN74LS244 Octal Buffer/Line Driver with 3-State Outputs
The SN74LS240 and SN74LS244 are Octal Buffers and Line Drivers designed to be employed as memory address drivers, clock drivers and bu.
ustries, LLC, 1999
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December, 1999 * Rev. 6 Publication Order Number: SN74LS240/D SN74LS240 SN74LS244 LOGIC AND CONNECTION DIAGRAMS DIP (TOP VIEW) SN74LS240 VCC 20 2G 19 1Y1 18 2A4 1Y2 2A3 1Y3 2A2 1Y4 2A1 17 16 15 14 13 12 11 1 1G 2 1A1 3 4 5 2Y4 1A2 2Y3 6 8 9 10 7 1A3 2Y2 1A4 2Y1 GND SN74. |
74LS240 Datasheet and Specifications PDF
The 74LS240 is a LOW POWER SCHOTTKY.
Key Specifications
| Package | PDIP |
|---|---|
| Mount Type | Through Hole |
| Pins | 20 |
| Operating Voltage | 5 V |
| Max Voltage (typical range) | 5.25 V |
| Min Voltage (typical range) | 4.75 V |
| Logic Function | Buffer, Inverter |
| Height | 5.08 mm |
| Part Number | 74LS240 Datasheet |
|---|---|
| Description | Octal Buffers/Line Drivers/Line Receivers |
| Manufacturer | Hitachi Semiconductor |
| Overview | Unit: mm 24.50 25.40 Max 20 11 7.00 Max 6.30 1 0.89 1.27 Max 10 1.30 2.54 Min 5.08 Max 7.62 0.51 Min 2.54 ± 0.25 0.48 ± 0.10 0.25 – 0.05 0° – 15° + 0.11 Hitachi Code JEDEC EIAJ Weight (referen. any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. Hitachi bears no responsibility for problems that may arise with third party’s rights, including intellectual property rights, in connection with use of the information . |
| Part Number | 74LS240 Datasheet |
|---|---|
| Description | Octal 3-STATE Buffer/Line Driver/Line Receiver |
| Manufacturer | Fairchild Semiconductor |
| Overview |
These buffers/line drivers are designed to improve both the performance and PC board density of 3-STATE buffers/ drivers employed as memory-address drivers, clock drivers, and bus-oriented transmitter.
s 3-STATE outputs drive bus lines directly
s PNP inputs reduce DC loading on bus lines s Hysteresis at data inputs improves noise margins
s Typical IOL (sink current)
24 mA
s Typical IOH (source current) *15 mA s Typical propagation delay times Inverting 10.5 ns Noninverting 12 ns s Typical . |
| Part Number | 74LS240 Datasheet |
|---|---|
| Description | Octal TRI-STATE Buffers/Line Drivers/Line Receivers |
| Manufacturer | National Semiconductor |
| Overview | These buffers line drivers are designed to improve both the performance and PC board density of TRI-STATE buffers drivers employed as memory-address drivers clock drivers and bus-oriented transmitters. Y Y Y Y Y TRI-STATE outputs drive bus lines directly PNP inputs reduce DC loading on bus lines Hysteresis at data inputs improves noise margins Typical IOL (sink current) 54LS 12 mA 74LS 24 mA Typical IOH (source current) b 12 mA 54LS b 15 mA 74LS Typical propagation delay times Inverting 10 5 ns. |