MC74HCT373A ON Semiconductor, MC74HCT373A Datasheet - Page 5

• Manufacturer Part Number: MC74HCT373A
• Description: Octal 3-State Noninverting Transceiver Latch with LSTTL-Compatible Inputs
• Manufacturer: ON Semiconductor

OUTPUT
ENABLE
ENABLE
LATCH
OUTPUT
ENABLE
INPUT D
Q
Q
11
1
Q
t PLH
t r
1.3 V
D0
t TLH
3
1.3 V
1.3 V
D
10%
0.3 V
1.3 V
LE
1.3 V
90%
t PZL
2.7 V
Figure 1.
t PZH
Figure 3.
Q
Q0
t PHZ
D1
2
t PLZ
4
D
LE
Q
Q1
t f
D2
5
10%
90%
7
t PHL
EXPANDED LOGIC DIAGRAM
D
SWITCHING WAVEFORMS
t THL
LE
3 V
GND
HIGH
IMPEDANCE
V OL
V OH
HIGH
IMPEDANCE
Q
3 V
GND
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MC74HCT373A
Q2
D3
6
8
D
LE
5
Q
LATCH ENABLE
Q3
LATCH ENABLE
D4
9
13
D
INPUT D
LE
Q
Q
Q4
D5
12
1.3 V
14
1.3 V
D
LE
t w
t PLH
1.3 V
Q
Figure 2.
t su
Figure 4.
Q5
D6
15
VALID
17
t PHL
D
LE
1.3 V
Q
t h
Q6
1.3 V
D7
16
18
D
LE
3 V
GND
Q
3 V
GND
3 V
GND
Q7
19