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M54HC259 Datasheet(PDF) 5 Page - STMicroelectronics

Part # M54HC259
Description  8 BIT ADDRESSABLE LATCH
PDF  12 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M54HC259 Datasheet(HTML) 5 Page - STMicroelectronics

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AC ELECTRICAL CHARACTERISTICS (CL =50 pF, Input tr =tf =6 ns)
Symbol
Parameter
Test Conditions
Value
Unit
VCC
(V)
TA =25
oC
54HC and 74HC
-40 to 85
oC
74HC
-55 to 125
oC
54HC
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tTLH
tTHL
Output Transition
Time
2.0
30
75
95
110
ns
4.5
8
151922
6.0
7
131619
tPLH
tPHL
Propagation
Delay Time
(DATA - Q)
2.0
56
140
175
210
ns
4.5
18
28
35
42
6.0
15
24
30
36
tPLH
tPHL
Propagation
Delay Time
(A, B, C - Q)
2.0
76
190
240
285
ns
4.5
24
38
48
57
6.0
20
32
41
48
tPLH
tPHL
Propagation
Delay Time
(G - Q)
2.0
57
150
190
225
ns
4.5
19
30
38
45
6.0
16
26
32
38
tPLH
tPHL
Propagation
Delay Time
(CLEAR - Q)
2.0
45
115
145
175
ns
4.5
15
23
29
35
6.0
13
20
25
30
tW(L)
Minimum Pulse
Width
(ENABLE)
2.0
28
75
90
115
ns
4.5
7
151923
6.0
6
131620
tW(L)
Minimum Pulse
Width
(CLEAR)
2.0
24
75
90
115
ns
4.5
6
151923
6.0
5
131620
ts
Minimum Set-up
Time
(DATA)
2.0
12
50
60
75
ns
4.5
3
101215
6.0
3
9
11
13
ts
Minimum Set-up
Time
(A, B, C)
2.0
25
30
40
ns
4.5
5
6
8
6.0
5
5
7
th
Minimum Hold
Time
(DATA)
2.0
5
5
5
ns
4.5
5
5
5
6.0
5
5
5
th
Minimum Hold
Time
(A, B, C)
2.0
0
0
0
ns
4.5
0
0
0
6.0
0
0
0
CIN
Input Capacitance
5
10
10
10
pF
CPD (*)
Power Dissipation
Capacitance
66
pF
(*) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without load.
(Refer to Test Circuit). Average operting current can be obtained by the following equation. ICC(opr) = CPD
•VCC •fIN +ICC
M54/M74HC259
5/12



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