MC74VHCT244A Motorola, MC74VHCT244A Datasheet - Page 4

• Manufacturer Part Number: MC74VHCT244A
• Description: Octal Bus Buffer/Line Driver with 3-State Outputs
• Manufacturer: Motorola

MC74VHCT244A
MOTOROLA
YA or YB
A or B
t PLH
* Includes all probe and jig capacitance
DEVICE
UNDER
TEST
Figure 3. Test Circuit
1.5V
Figure 1.
1.5V
OUTPUT
TEST POINT
C L *
t PHL
SWITCHING WAVEFORMS
GND
3V
V OH
V OL
TEST CIRCUITS
4
OEA or OEB
YA or YB
YA or YB
DEVICE
UNDER
TEST
* Includes all probe and jig capacitance
OUTPUT
1.5V
1.5V
1.5V
Figure 4. Test Circuit
TEST POINT
t PZL
t PZH
Figure 2.
C L *
1 k
VHC Data – Advanced CMOS Logic
t PHZ
t PLZ
CONNECT TO V CC WHEN
TESTING t PLZ AND t PZL .
CONNECT TO GND WHEN
TESTING t PHZ AND t PZH .
V OL +0.3V
V OH –0.3V
DL203 — Rev 1
3V
HIGH
IMPEDANCE
HIGH
IMPEDANCE
GND