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Número de pieza | U74AHCT374 | |
Descripción | OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS | |
Fabricantes | Unisonic Technologies | |
Logotipo | ||
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No Preview Available ! 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
1 of 6
QW+R502-690.A
1 page U74AHCT374
TEST CIRCUIT AND WAVEFORMS
CMOS IC
VCC
5V±0.5V
Input
VIN tR, tF
VCC ≤3ns
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
VLOAD
GND
VM
VCC/2
VLOAD
VCC
CL
15pF
50pF
RL
1kΩ
VΔ
0.5V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R502-690.A
5 Page |
Páginas | Total 6 Páginas | |
PDF Descargar | [ Datasheet U74AHCT374.PDF ] |
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