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PDF U74LVC640 Data sheet ( Hoja de datos )
| Número de pieza | U74LVC640 | |
| Descripción | OCTAL BUS TRANSCEIVER | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de U74LVC640 (archivo pdf) en la parte inferior de esta página. Total 5 Páginas | ||
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UNISONIC TECHNOLOGIES CO., LTD
U74LVC640
OCTAL BUS TRANSCEIVER
WITH 3-STATE INVERTING
OUTPUTS
DESCRIPTION
The U74LVC640 is designed for asynchronous communication
between data buses and has inverting outputs. While the
direction-control(DIR) input is high, data transmits from the A bus to
the B bus. In contrast, Data transmits from the B bus to the A bus
DIR input is low. The output-enable(OE) will disable the device and
isolate from the buses when high voltage is applied on it.
FEATURES
* Supply Voltage Range From 1.2V to 3.6V
* Input Accept Voltages up to 5.5V
* Partial-Power-Down Mode Operation
* Max tPD is 6.3ns at 3.3V
ORDERING INFORMATION
Ordering Number
U74LVC640G-P20-R
Package
TSSOP-20
www.DataSheet.net/
Packing
Tape Reel
CMOS IC
TSSOP-20
www.unisonic.com.tw
Copyright © 2010 Unisonic Technologies Co., Ltd
1 of 5
QW-R502-412.A
Datasheet pdf - http://www.DataSheet4U.co.kr/
1 page  
U74LVC640
TEST CIRCUIT AND WAVEFORMS
From Output
S VLOAD
Open
GND
RL
CL RL
CMOS IC
TEST
tPLH/tPHL
tPHZ/tPZH
tPLZ/tPZL
S
Open
GND
VLOAD
VCC
1.8V ±0.15V
2.5V ±0.2V
2.7 V
3.3V ±0.3V
INPUTS
VIN tR/tF
VCC ≤2ns
VCC ≤2ns
2.7 V ≤2.5ns
2.7 V ≤2.5ns
VM
VCC/2
VCC/2
1.5V
1.5V
V△
0.15V
0.15V
0.3V
0.3V
CL
30 pF
30 pF
50 pF
50 pF
RL
1 KΩ
500Ω
500Ω
500Ω
VLOAD
2 x VCC
2 x VCC
6V
6V
www.DataSheet.net/
Note: CL includes probe and jig capacitance.
All input pulses are supplied by generators having the following characteristics: PRR ≤10MHz, Zo = 50Ω.
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 5
QW-R502-412.A
Datasheet pdf - http://www.DataSheet4U.co.kr/
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| PDF Descargar | [ Datasheet U74LVC640.PDF ] | |
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