CD54HC670, CD74HC670, CD74HCT670
Switching Specifications C = 50pF, Input t , t = 6ns (Continued)
L
r f
o
o
-40 C TO
-55 C TO
o
o
o
25 C
85 C
125 C
TEST
SYMBOL CONDITIONS
PARAMETER
Data to Output
V
(V) MIN
TYP MAX
MIN
MAX
MIN
MAX UNITS
CC
t
, t
PLH PHL
C
= 50pF
2
-
-
-
256
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
315
63
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
375
75
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
L
4.5
5
-
-
C
C
C
= 15pF
= 50pF
= 50pF
21
-
L
L
L
6
-
43
150
30
-
54
190
38
-
64
225
45
-
Output Disable Time
Output Enable Time
t
t
t
, t
2
-
-
PLZ PHZ
4.5
5
-
-
C
C
C
= 15pF
= 50pF
= 50pF
-
12
-
L
L
L
6
-
26
150
30
-
33
190
38
-
38
225
45
-
, t
PZL PZH
2
-
-
4.5
5
-
-
C
C
C
= 15pF
= 50pF
= 50pF
-
12
-
L
L
L
6
-
26
75
15
13
10
20
33
95
19
10
10
20
38
110
22
19
10
20
Output Transition Time
Input Capacitance
, t
THL TLH
2
-
-
4.5
6
-
-
-
-
C
C
C
= 50pF
-
-
10
20
-
I
L
Three-State Output
Capacitance
C
-
-
O
Power Dissipation Capacitance
(Notes 5, 6)
C
= 15pF
5
-
59
-
-
-
-
-
pF
PD
L
HCT TYPES
Propagation Delay
Reading Any Word
t
t
PHL, PLH
C
C
C
C
C
C
C
C
C
C
C
C
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 15pF
= 50pF
= 50pF
-
4.5
5
-
-
-
17
-
40
-
-
-
-
-
-
-
-
-
-
-
-
-
-
50
-
-
-
-
-
-
-
-
-
-
-
-
-
-
53
-
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
pF
pF
L
L
L
L
L
L
L
L
L
L
L
L
Write Enable to Output
Data to Output
t
t
t
4.5
5
-
50
-
63
-
75
-
PHL, PLH
-
21
-
t
4.5
5
-
50
-
63
-
75
-
PHL, PLH
-
21
-
Output Disable Time
Output Enable Time
t
t
t
, t
4.5
5
-
35
-
44
-
53
-
PLZ PHZ
-
14
-
, t
PZL PZH
4.5
5
-
38
-
48
-
57
-
-
16
-
Output Transition Time
Input Capacitance
, t
TLH THL
4.5
-
-
15
10
20
19
10
20
22
10
20
C
10
20
-
I
Three-State Output
Capacitance
C
-
-
O
Power Dissipation Capacitance
(Notes 5, 6)
C
C
= 15pF
5
-
66
-
-
-
-
-
pF
PD
L
NOTES:
5. C
is used to determine the dynamic power consumption, per output.
PD
6. P = C
2
2
V
f + ∑ C V
f
where f = Input Frequency, f = Output Frequency, C = Output Load Capacitance, V
= Supply
CC
D
PD CC
i
L
CC
O
i
O
L
Voltage.
6
TAOS [ TEXAS ADVANCED OPTOELECTRONIC SOLUTIONS ]
