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U74HCT374L-P20-R Scheda tecnica(PDF) 1 Page - Unisonic Technologies |
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U74HCT374L-P20-R Scheda tecnica(HTML) 1 Page - Unisonic Technologies |
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1 / 6 page ![]() UNISONIC TECHNOLOGIES CO., LTD U74HCT374 CMOS IC www.unisonic.com.tw 1 of 6 Copyright © 2011 Unisonic Technologies Co., Ltd QW-R502-646.A OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS WITH 3-STATE OUTPUTS DESCRIPTION The U74HCT374 is a octal edge-triggered D-type flip-flops with 3-state outputs and it has 8 channels. When the OE input is low, on the positive transition of the clock (CLK) input, the Q outputs are set to the logic levels of the data (D) inputs. When the OE input is high, the outputs are in the high-impedance. To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pull-up resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver. FEATURES * Inputs are TTL-Voltage Compatible * Operate from 4.5V to 5.5V * Inputs Accept Voltages to 5.5V * Max tpd of 25ns at VCC=5.5V, CL=50pF * Typ VOL< 0.26V at VCC=4.5V, IOL=6mA, TA=25°C * Typ VOH> 3.98V at VCC=4.5V, IOH=-6mA, TA=25°C TSSOP-20 ORDERING INFORMATION Ordering Number Lead Free Halogen Free Package Packing U74HCT374L-P20-R U74HCT374G-P20-R TSSOP-20 Tape Reel U74HCT374L-P20-T U74HCT374G-P20-T TSSOP-20 Tube |
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