MC54-74HC245A MOTOROLA [Motorola, Inc], MC54-74HC245A Datasheet - Page 4

• Manufacturer Part Number: MC54-74HC245A
• Description: Octal 3-State Noninverting Buffer Transceiver
• Manufacturer: MOTOROLA [Motorola, Inc]

MOTOROLA
MC54/74HC245A
OUTPUT
A OR B
B OR A
INPUT
* Includes all probe and jig capacitance
t PLH
t r
DEVICE
UNDER
TEST
t TLH
10%
10%
50%
50%
90%
90%
Figure 1.
Figure 3.
OUTPUT
TEST POINT
C L *
t f
SWITCHING WAVEFORMS
t PHL
t THL
V CC
GND
TEST CIRCUITS
4
DIRECTION
OUTPUT
ENABLE
A OR B
A OR B
DEVICE
UNDER
TEST
* Includes all probe and jig capacitance
50%
OUTPUT
50%
50%
t PZH
t PZL
TEST POINT
Figure 2.
Figure 4.
t PHZ
t PLZ
C L *
1 k
High–Speed CMOS Logic Data
50%
CONNECT TO V CC WHEN
TESTING t PLZ AND t PZL .
CONNECT TO GND WHEN
TESTING t PHZ AND t PZH .
10%
90%
DL129 — Rev 6
V CC
GND
V CC
GND
HIGH
IMPEDANCE
V OL
V OH
HIGH
IMPEDANCE