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U74HCT640L-S20-R Datasheet(PDF) 1 Page - Unisonic Technologies |
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U74HCT640L-S20-R Datasheet(HTML) 1 Page - Unisonic Technologies |
1 / 6 page UNISONIC TECHNOLOGIES CO., LTD U74HCT640 CMOS IC www.unisonic.com.tw 1 of 6 Copyright © 2012 Unisonic Technologies Co., Ltd QW-R502-684.B OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS DESCRIPTION The U74HCT640 is a octal bus transceivers with 3-state outputs. It is designed for asynchronous two-way communication between data buses. Depending on the direction-control (DIR) input, data are transmitted from the A bus to the B bus or from B bus to the A bus. When OE is high, the buses are effectively isolated. When OE is low, the buses are enable. FEATURES * Inputs are TTL-voltage compatible * Typical tPD of 12ns at 5.5V, CL=50pF * Low power consumption, ICC = 8μA (Max) at 5.5V * ±6mA output driver at 4.5V SOP-20 SSOP-20 TSSOP-20 ORDERING INFORMATION Ordering Number Package Packing Lead Free Halogen Free U74HCT640L-P20-R U74HCT640G-P20-R TSSOP-20 Tape Reel U74HCT640L-P20-T U74HCT640G-P20-T TSSOP-20 Tube U74HCT640L-R20-R U74HCT640G-R20-R SSOP-20 Tape Reel U74HCT640L-R20-T U74HCT640G-R20-T SSOP-20 Tube U74HCT640L-S20-R U74HCT640G-S20-R SOP-20 Tape Reel U74HCT640L-S20-T U74HCT640G-S20-T SOP-20 Tube |
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