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74LVT2245WM データシート(PDF) 1 Page - Fairchild Semiconductor |
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74LVT2245WM データシート(HTML) 1 Page - Fairchild Semiconductor |
1 / 9 page ©1999 Fairchild Semiconductor Corporation www.fairchildsemi.com 74LVT2245, 74LVTH2245 Rev. 1.5.0 January 2008 74LVT2245, 74LVTH2245 Low Voltage Octal Bidirectional Transceiver with 3-STATE Inputs/Outputs and 25 Ω Series Resistors in the B Port Outputs Features ■ Input and output interface capability to systems at 5V VCC ■ Equivalent 25 Ω series resistor on B Port outputs ■ Bushold data inputs eliminate the need for external pull-up resistors to hold unused inputs (74LVTH2245), also available without bushold feature (74LVT2245) ■ Live insertion/extraction permitted ■ Power Up/Down high impedance provides glitch-free bus loading ■ Outputs source/sink –12mA/+12mA on B Port, –32mA/+64mA on A Port ■ Latch-up performance exceeds 500mA ■ ESD performance: – Human-body model > 2000V – Machine model > 200V – Charged-device model > 1000V General Description The LVT2245 and LVTH2245 contain eight non-inverting bidirectional buffers with 3-STATE outputs and are intended for bus-oriented applications. The Transmit/ Receive (T/R) input determines the direction of data flow through the bidirectional transceiver. Transmit (active- HIGH) enables data from A Ports to B Ports; Receive (active-LOW) enables data from B Ports to A Ports. The Output Enable input, when HIGH, disables both A and B Ports by placing them in a high impedance state. The equivalent 25 Ω-series resistor in the B Port helps reduce output overshoot and undershoot. The LVTH2245 data inputs include bushold, eliminating the need for external pull-up resistors to hold unused inputs. These transceivers are designed for low voltage (3.3V) VCC applications, but with the capability to provide a TTL interface to a 5V environment. The LVT2245 and LVTH2245 are fabricated with an advanced BiCMOS technology to achieve high speed operation similar to 5V ABT while maintaining low power dissipation. Ordering Information Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering number. All packages are lead free per JEDEC: J-STD-020B standard. Order Number Package Number Package Description 74LVT2245WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74LVT2245SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74LVT2245MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide 74LVTH2245WM M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74LVTH2245SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74LVTH2245MTC MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide |
同様の部品番号 - 74LVT2245WM_08 |
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同様の説明 - 74LVT2245WM_08 |
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