74HC373 Datasheet, PDF (4/6 Pages) NXP Semiconductors – Octal D-type transparent latch; 3-state

AC ELECTRICAL CHARACTERISTICS
TEMPERATURE, CL = 150 pF
(unless otherwise specified)
OVER
WS74HC373
RECOMMENDED OPERATING
Parameter
tpd
ten
t_t
From
(Input)
D
LE
___
OE
To
(Output)
Q
Any Q
Any Q
Any Q
VDD
T_A = 25℃
Min Typ Max Min
2.0 V
82
200
4.5V
22
40
6.0 V
19
34
2.0 V
100
225
4.5V
24
45
6.0 V
20
38
2.0 V
90
200
4.5V
23
40
6.0 V
19
34
2.0 V
45
210
4.5V
17
42
6.0 V
13
36
-40 ~ +85
Unit
Max
250
50 ns
43
285
57
48
250
50 ns
43
265
53 ns
45
AC SWITCHING WAVEFORM AND AC TEST CIRCUIT
High-Level
Pulse _50%
V _cc
50%
0V
tw
Vcc
Low-Level 50%
50%
Pulse
0V
Voltage Waveforms
Pulse Durations
Reference
Input
50%
Data
Input
50%
10%
tsu
90%
tr
th
90%
Vcc
0V
Vcc
50%
10% _{0 V}
tf
Voltage Waveforms
Setup & Hold and Input Rise & Fall Times
Input
50%
tPLH
In-Phase
Output
50% ^90%
10%
tr
tPHL
90%
Out-of-Phase
Output
50%
10%
tf
Vcc
50%
0V
tPHL
90% _50% ^VOH
10% _VOL
tf
tPLH
50%
90% ^VOH
10%
VOL
tr
Voltage Waveforms
Propagation Delay and Output Transition Times
Output
Control
(Low-Level
Enabling)
Output
Waveform1
Output
Waveform
2
50%
tPZL
tPZH
≈Vcc
50%
50%
50%
tPLZ
10%
90%
tPHZ
Vcc
0V
≈Vcc
VOL
VOH
≈0 V
Voltage Waveforms
Enable and Disable Times for 3-State Outputs
4