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PDF ( 数据手册 , 数据表 ) U74AHCT374

零件编号 U74AHCT374
描述 OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS
制造商 Unisonic Technologies
LOGO Unisonic Technologies LOGO 


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U74AHCT374 数据手册, 描述, 功能
UNISONIC TECHNOLOGIES CO., LTD
U74AHCT374
OCTAL EDGE-TRIGGERED
D-TYPE FLIP-FLOPS WITH
3-STATE OUTPUTS
CMOS IC
„ DESCRIPTION
The U74AHCT374 is a octal edge-triggered D-type flip-flops
with 3-state outputs and 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 9.4ns at VCC=5V, CL=15pF
* Typical VOL< 0.36V at VCC=4.5V, IOL=8mA, TA=25°C
* Typical VOH> 3.94V at VCC=4.5V, IOH=-8mA, TA=25°C
„ ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
U74AHCT374L-P20-R
U74AHCT374G-P20-R
U74AHCT374L-P20-T
U74AHCT374G-P20-T
Package
TSSOP-20
TSSOP-20
TSSOP-20
Packing
Tape Reel
Tube
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., Ltd
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