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| MC74LVX244_14 Datasheet, PDF (4/6 Pages) ON Semiconductor – Octal Bus Buffer | |||
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1Dn, 2Dn
50%
tPLH
1On, 2On
50% VCC
Figure 2.
MC74LVX244
SWITCHING WAVEFORMS
VCC
GND
tPHL
1OE, 2OE
1On, 2On
1On, 2On
50%
tPZL
tPLZ
50% VCC
tPZH
tPHZ
50% VCC
Figure 3.
VCC
GND
HIGH
IMPEDANCE
VOL +0.3V
VOH -0.3V
HIGH
IMPEDANCE
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
TEST CIRCUITS
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
1 kW
CL*
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
*Includes all probe and jig capacitance
Figure 4. Propagation Delay Test Circuit
*Includes all probe and jig capacitance
Figure 5. ThreeâState Test Circuit
ORDERING INFORMATION
Device
Package
Shippingâ
MC74LVX244DWR2G
SOICâ20
(PbâFree)
1000 Tape & Reel
MC74LVX244DTG
TSSOPâ20
(PbâFree)
50 Units / Rail
MC74LVX244DTR2G
TSSOPâ20
(PbâFree)
2500 Tape & Reel
â For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
http://onsemi.com
4
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