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U74HC640 Datasheet(PDF) 5 Page - Unisonic Technologies

Part # U74HC640
Description  OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

U74HC640 Datasheet(HTML) 5 Page - Unisonic Technologies

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U74HC640
CMOS IC
UNISONICTECHNOLOGIESCO.,LTD
5 of 7
www.unisonic.com.tw
QW-R126-008.A
TEST CIRCUIT AND WAVEFORMS
TEST
S1
tPLH/tPHL
Open
tPLZ/tPZL
VLOAD
tPHZ/tPZH
GND
VCC
Input
VM
VLOAD
CL
RL
VΔ
VIN
tR, tF
3.3V±0.3V
VCC
≤3ns
VCC/2
VCC
50pF
1kΩ
0.3V
150pF
5V±0.5V
VCC
≤3ns
VCC/2
VCC
50pF
1kΩ
0.5V
150pF
VCC
0V
Input
10%
90%
tR
10%
90%
tF
Voltage Waveforms Input Rise and Fall Times


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