m74hc373 STMicroelectronics, m74hc373 Datasheet - Page 5

• Manufacturer Part Number: m74hc373
• Description: Octal D-type Latch With 3 State Output Non Inverting
• Manufacturer: STMicroelectronics

AC ELECTRICAL CHARACTERISTICS (C
CAPACITIVE CHARACTERISTICS
1) C
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. I
Flop) and the C
t
t
t
t
Symbol
Symbol
TLH
PLH
PZL
PLZ
C
t
C
PD
W(H)
C
OUT
t
t
PD
s
h
IN
t
t
t
t
PZH
PHZ
is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
THL
PHL
Output Transition
Time
Propagation Delay
Time
(LE, D - Q)
High Impedance
Output Enable
Time
High Impedance
Output Disable
Time
Minimum Pulse
Width (LE)
Minimum Set-up
Time
Minimum Hold
Time
Input Capacitance
Output
Capacitance
Power Dissipation
Capacitance (note
1)
PD
Parameter
Parameter
when n pcs of Flip Flop operate, can be gained by the following equation: C
V
V
(V)
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
(V)
CC
CC
Test Condition
Test Condition
(pF)
150
150
C
50
50
50
50
50
50
50
L
R
R
R
L
L
L
L
= 1 K
= 1 K
= 1 K
= 50 pF, Input t
Min.
Min.
T
T
A
A
r
Typ.
Typ.
= 25°C
= 25°C
25
42
14
12
57
19
16
39
13
54
18
15
30
14
13
15
16
10
38
11
= t
7
6
6
6
4
3
5
f
= 6ns)
Max.
Max.
125
175
125
175
125
60
12
10
25
21
35
30
25
21
35
30
25
21
75
15
13
50
10
10
9
5
5
5
PD(TOTAL)
Value
Value
-40 to 85°C
Min.
-40 to 85°C
Min.
CC(opr)
= 22 + 16 x n (pF)
= C
Max.
Max.
155
220
155
220
155
75
15
13
31
26
44
37
31
26
44
37
31
26
95
19
16
65
13
10
11
5
5
5
PD
x V
-55 to 125°C
-55 to 125°C
CC
Min.
Min.
x f
IN
M74HC373
+ I
Max.
Max.
190
265
190
265
190
110
90
18
15
38
32
53
45
38
32
53
45
38
32
22
19
75
15
13
10
CC
5
5
5
/8 (per Flip
Unit
Unit
pF
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
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