MC74HC126A ON Semiconductor, MC74HC126A Datasheet - Page 5

• Manufacturer Part Number: MC74HC126A
• Description: (MC74HC125A / MC74HC126A) Quad 3-State Noninverting Buffers
• Manufacturer: ON Semiconductor

OUTPUT Y
INPUT A
*Includes all probe and jig capacitance
t
PLH
t
r
t
TLH
DEVICE
UNDER
TEST
Figure 3. Test Circuit
10%
50%
OE
10%
90%
OE
50%
A
A
90%
Figure 1.
OUTPUT
TEST POINT
C
t
f
L
MC74HC125A, MC74HC126A
*
t
PHL
t
SWITCHING WAVEFORMS
THL
GND
V
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CC
(1/4 OF THE DEVICE)
(1/4 OF THE DEVICE)
HC125A
HC126A
5
OE (HC125A)
OE (HC126A)
DEVICE
OUTPUT Y
UNDER
OUTPUT Y
TEST
*Includes all probe and jig capacitance
OUTPUT
TEST POINT
50%
50%
Figure 4. Test Circuit
50%
50%
1 kW
t
t
PZH
PZL
Figure 2.
C
L
*
t
t
PHZ
PLZ
V
V
CC
CC
CONNECT TO V
TESTING t
CONNECT TO GND WHEN
TESTING t
90%
10%
Y
PLZ
PHZ
Y
AND t
and t
V
GND
V
GND
HIGH
IMPEDANCE
V
V
HIGH
IMPEDANCE
CC
CC
CC
OL
OH
WHEN
PZH.
PZL.