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Part Name
Description
MC74HCT373A View Datasheet(PDF) - ON Semiconductor
Part Name
Description
Manufacturer
MC74HCT373A
Octal 3−State Noninverting Transparent Latch with LSTTL−Compatible Inputs
ON Semiconductor
MC74HCT373A Datasheet PDF : 8 Pages
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MC74HCT373A
EXPANDED LOGIC DIAGRAM
D0
3
DQ
D1
4
DQ
D2
7
DQ
D3
8
DQ
D4
13
DQ
D5
14
DQ
D6
17
DQ
D7
18
DQ
LATCH 11
ENABLE
OUTPUT 1
ENABLE
LE
LE
LE
LE
LE
LE
LE
LE
2
5
6
9
12
15
16
19
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
t
r
INPUT D
t
PLH
Q
2.7 V
1.3 V
0.3 V
90%
1.3 V
10%
t
TLH
Figure 1.
SWITCHING WAVEFORMS
t
f
3V
GND
t
PHL
t
THL
LATCH ENABLE
Q
t
w
1.3 V
t
PLH
1.3 V
3V
1.3 V
GND
t
PHL
Figure 2.
3V
OUTPUT
ENABLE
1.3 V
GND
VALID
t
PZL
t
PLZ
Q
1.3 V
HIGH
IMPEDANCE
INPUT D
1.3 V
3V
GND
10%
V
OL
t
su
t
h
t
PZH
t
PHZ
90%
V
OH
LATCH ENABLE
3V
1.3 V
Q
1.3 V
HIGH
GND
IMPEDANCE
Figure 3.
Figure 4.
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