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74LVC245 Datasheet(PDF) 1 Page - Hitachi Semiconductor |
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74LVC245 Datasheet(HTML) 1 Page - Hitachi Semiconductor |
1 / 9 page HD74LVC245A Octal Bidirectional Transceivers with 3-state Outputs ADE-205-111B(Z) 3rd Edition December 1996 Description The HD74LVC245A has eight buffers with three state outputs in a 20 pin package. When (T / R) is high, data flows from the A inputs to the B outputs, and when (T / R) is low, data flows from the B inputs to the A outputs. A and B bus are separated by making enable input ( OE) high level. Low voltage and high speed operation is suitable at the battery drive product (note type personal computer) and low power consumption extends the life of a battery for long time operation. Features • V CC = 2.0 V to 5.5 V • All inputs V IH (Max.) = 5.5 V (@VCC = 0 V to 5.5 V) • All input outputs V I/O (Max.) = 5.5 V (@VCC = 0 V or output off state) • Typical V OL ground bounce < 0.8 V (@VCC = 3.3 V, Ta = 25°C) • Typical V OH undershoot > 2.0 V (@VCC = 3.3 V, Ta = 25°C) • High output current ±24 mA (@V CC = 3.0 V to 5.5 V) Function Table Inputs OE T / R Operation L L B data to A bus L H A data to B bus HX Z H : High level L : Low level X : Immaterial Z : High impedance |
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