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74LVT2244SJX 数据表(PDF) 1 Page - National Semiconductor (TI) |
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74LVT2244SJX 数据表(HTML) 1 Page - National Semiconductor (TI) |
1 / 8 page TLF12170 ADVANCE INFORMATION December 1996 74LVT2244 33V ABT Octal BufferLine Driver with TRI-STATE Outputs General Description The LVT2244 is an octal buffer and line driver designed to be employed as a memory address driver clock driver and bus oriented transmitter or receiver which provides im- proved PC board density The equivalent 25X-Series resis- tor helps reduce output overshoot and undershoot These octal buffers and line drivers are designed for low- voltage (33V) VCC applications but with the capability to provide a TTL interface to a 5V environment The LVT2244 is fabricated with an advanced BiCMOS technology to achieve high speed operation similar to 5V ABT while main- taining a low power dissipation Features Y Input and output interface capability to systems at 5V VCC Y Bus-Hold data inputs eliminate the need for external pull-up resistors to hold unused inputs Y Equivalent 25X-Series resistor on outputs Y Live insertionextraction permitted Y Power UpDown high impedance provides glitch-free bus loading Y Outputs sourcesink b12 mA a12 mA Y Available in SOIC JEDEC SOIC EIAJ TSSOP and SSOPII Y Latch-up performance exceeds 500 mA Logic Symbol IEEEIEC TLF12170 – 1 Connection Diagram Pin Assignment for SOIC TSSOP and SSOPII TLF12170 – 2 Truth Tables Inputs Outputs OE1 In (Pins 12 14 16 18) LL L LH H HX Z Inputs Outputs OE2 In (Pins 3 5 7 9) LL L LH H HX Z H e HIGH Voltage Level L e LOW Voltage Level X e Immaterial Z e High Impedance Pin Names Description OE1 OE2 TRI-STATE Output Enable Inputs I0–I7 Inputs O0–O7 Outputs SOIC JEDEC SOIC EIAJ TSSOP JEDEC SSOPII Order 74LVT2244WM 74LVT2244SJ 74LVT2244MTC 74LVT2244MSA Number 74LVT2244WMX 74LVT2244SJX 74LVT2244MTCX 74LVT2244MSAX See NS M20B M20D MTC20 MSA20 Package Number TRI-STATE is a registered trademark of National Semiconductor Corporation C1996 National Semiconductor Corporation RRD-B30M17Printed in U S A http www nationalcom |
类似零件编号 - 74LVT2244SJX |
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