MC74VHC245 Motorola, MC74VHC245 Datasheet - Page 4

• Manufacturer Part Number: MC74VHC245
• Description: Octal Bus Transceiver
• Manufacturer: Motorola

MC74VHC245
MOTOROLA
A or B
B or A
* Includes all probe and jig capacitance
t PLH
DEVICE
UNDER
TEST
50%
Figure 3.
Figure 1.
OUTPUT
50% V CC
TEST POINT
C L *
t PHL
SWITCHING WAVEFORMS
V CC
GND
TEST CIRCUITS
4
DEVICE
UNDER
A or B
A or B
TEST
DIR
OE
* Includes all probe and jig capacitance
50% V CC
OUTPUT
50% V CC
50% V CC
TEST POINT
t PZH
t PZL
Figure 2.
C L *
1 k
Figure 4.
t PHZ
VHC Data – Advanced CMOS Logic
t PLZ
CONNECT TO V CC WHEN
TESTING t PLZ AND t PZL .
CONNECT TO GND WHEN
TESTING t PHZ AND t PZH .
50%
50% V CC
DL203 — Rev 1
V CC
GND
V CC
GND
HIGH
IMPEDANCE
V OL +0.3V
V OH –0.3V
HIGH
IMPEDANCE