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PDF U74AHC374 Data sheet ( Hoja de datos )
| Número de pieza | U74AHC374 | |
| Descripción | OCTAL EDGE-TRIGGERED D-TYPE FLIP-FLOPS | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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UNISONIC TECHNOLOGIES CO., LTD
U74AHC374
OCTAL EDGE-TRIGGERED
D-TYPE FLIP-FLOPS WITH
3-STATE OUTPUTS
CMOS IC
DESCRIPTION
The U74AHC374 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
* Operate from 2V to 5.5V
* Max tPD of 12.7ns at VCC=3.3V, CL=15pF
* Max ICC of 4uA
* Typ VOL< 0.36V at VCC=4.5V,IO=8mA,TA=25°C
* Typ VOH> 3.94V at VCC=4.5V,IO=-8mA, TA=25°C
ORDERING INFORMATION
Ordering Number
U74AHC374G-P20-R
Package
TSSOP-20
TSSOP-20
Packing
Tape Reel
■ MARKING
www.unisonic.com.tw
Copyright © 2015 Unisonic Technologies Co., Ltd
1 of 6
QW-R502-668.B
1 page  
U74AHC374
TEST CIRCUIT AND WAVEFORMS
CMOS IC
TEST
tPLH/tPHL
tPLZ/tPZL
tPHZ/tPZH
S1
Open
VLOAD
GND
VCC
3.3V±0.3V
5V±0.5V
Input
VIN tR, tF
VCC ≤3ns
VCC ≤3ns
VM
VCC/2
VCC/2
VLOAD
VCC
VCC
CL
15pF
50pF
15pF
50pF
RL
1kΩ
1kΩ
Input
tW
VM
Pulse Duration
VM
VIN
0
V
V∆
0.3V
0.5V
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 6
QW-R502-668.B
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet U74AHC374.PDF ] | |
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