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CD54HC259 Datasheet, PDF (5/12 Pages) Texas Instruments – High-Speed CMOS Logic 8-Bit Addressable Latch
◁
CD54HC259, CD74HC259, CD54HCT259, CD74HCT259
Prerequisite for Switching Specifications (Continued)
25oC
-40oC TO 85oC
-55oC TO 125oC
PARAMETER
MR
SYMBOL VCC (V) MIN TYP MAX MIN TYP MAX MIN TYP MAX UNITS
tWL
2
70
-
-
90
-
-
105
-
-
ns
4.5
14
-
-
18
-
-
21
-
-
ns
6
12
-
-
15
-
-
18
-
-
ns
Setup Time
D to LE
A to LE
tSU
2
80
-
4.5
16
-
-
100
-
-
20
-
-
120
-
-
24
-
-
ns
-
ns
6
14
-
-
17
-
-
20
-
-
ns
Hold Time
D to LE
A to LE
tH
2
0
-
-
0
-
-
0
-
-
ns
4.5
0
-
-
0
-
-
0
-
-
ns
6
0
-
-
0
-
-
0
-
-
ns
HCT TYPES
Pulse Width
LE
MR
tWL
4.5
18
-
-
23
-
-
27
-
-
ns
Setup Time
D to LE
A to LE
tSU
4.5
17
-
-
21
-
-
26
-
-
ns
Hold Time
D to LE
A to LE
tH
4.5
0
-
-
0
-
Switching Specifications CL = 50pF, Input tr, tf = 6ns
PARAMETER
HC TYPES
Propagation Delay
D to Q
TEST
25oC
SYMBOL CONDITIONS VCC (V) MIN TYP MAX
tPHL
CL = 50pF
2
-
- 185
-
0
-40oC TO
85oC
MIN MAX
-
230
-
-
ns
-55oC TO
125oC
MIN MAX UNITS
-
280 ns
4.5
-
-
37
-
46
-
56
ns
LE to Q
tPHL
CL = 15pF
5
CL = 50pF
6
CL = 50pF
2
4.5
-
15
-
-
-
-
-
-
31
-
39
-
-
-
170
-
215
-
-
-
34
-
43
-
-
ns
48
ns
255 ns
51
ns
CL = 15pF
5
-
14
-
-
-
-
-
ns
CL = 50pF
6
-
-
29
-
37
-
43
ns
5
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