MC74HC245AF ONSEMI [ON Semiconductor], MC74HC245AF Datasheet - Page 5

• Manufacturer Part Number: MC74HC245AF
• Description: Octal 3-State Noninverting Bus Transceiver
• Manufacturer: ONSEMI [ON Semiconductor]

OUTPUT
A OR B
B OR A
INPUT
*Includes all probe and jig capacitance
t
Figure 3. Switching Waveform
PLH
t
r
DEVICE
UNDER
TEST
t
TLH
Figure 5. Test Circuit
10%
10%
50%
90%
50%
90%
OUTPUT
TEST POINT
C
t
L
f
*
t
PHL
t
THL
V
GND
http://onsemi.com
CC
MC74HC245A
DIRECTION
5
DEVICE
UNDER
OUTPUT
ENABLE
TEST
A OR B
A OR B
*Includes all probe and jig capacitance
OUTPUT
50%
Figure 4. Switching Waveform
TEST POINT
50%
50%
Figure 6. Test Circuit
t
t
PZL
PZH
C
1 kW
L
*
t
t
PHZ
PLZ
CONNECT TO V
TESTING t
CONNECT TO GND WHEN
TESTING t
50%
10%
90%
PLZ
PHZ
V
GND
V
GND
HIGH
IMPEDANCE
V
V
HIGH
IMPEDANCE
AND t
AND t
CC
CC
OL
OH
CC
WHEN
PZL
PZH
.
.