ꢀ ꢁ ꢂꢃ ꢄ ꢅ ꢆꢇ ꢄꢆꢈ ꢀꢁ ꢂ ꢃꢄ ꢅ ꢆ ꢇ ꢃ ꢆꢈ ꢀꢁ ꢂ ꢃꢄ ꢅ ꢆ ꢇ ꢃꢆ ꢇ
ꢀ ꢉ ꢊ ꢋꢌ ꢁꢉ ꢍꢎ ꢏ ꢐ ꢀꢉ ꢑ ꢒꢓꢑ ꢓꢎ ꢔꢒ ꢓꢐ ꢐꢋ ꢒ
SLAS272F − JULY 2000 − REVISED JUNE 2004
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted) (continued)
DCO (see Note 1)
PARAMETER
TEST CONDITIONS
= 0, DCO = 3, MOD = 0, DCOR = 0, T = 25°C
MIN
0.08
NOM
0.12
MAX
0.15
UNIT
R
R
R
R
R
R
R
R
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
= 2.2 V
= 3 V
sel
sel
sel
sel
sel
sel
sel
sel
A
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
f
MHz
(DCO03)
(DCO13)
(DCO23)
(DCO33)
(DCO43)
(DCO53)
(DCO63)
0.08
0.14
0.14
0.22
0.22
0.37
0.37
0.61
0.61
1
0.13
0.19
0.18
0.30
0.28
0.49
0.47
0.77
0.75
1.2
0.16
0.23
0.22
0.36
0.34
0.59
0.56
0.93
0.90
1.5
= 1, DCO = 3, MOD = 0, DCOR = 0, T = 25°C
= 2.2 V
= 3 V
A
f
f
f
f
f
f
MHz
MHz
MHz
MHz
MHz
MHz
= 2, DCO = 3, MOD = 0, DCOR = 0, T = 25°C
= 2.2 V
= 3 V
A
= 3, DCO = 3, MOD = 0, DCOR = 0, T = 25°C
= 2.2 V
= 3 V
A
= 4, DCO = 3, MOD = 0, DCOR = 0, T = 25°C
= 2.2 V
= 3 V
A
= 5, DCO = 3, MOD = 0, DCOR = 0, T = 25°C
= 2.2 V
= 3 V
A
1
1.3
1.5
= 6, DCO = 3, MOD = 0, DCOR = 0, T = 25°C
= 2.2 V
= 3 V
1.6
1.9
2.2
A
1.69
2.4
2.0
2.29
3.4
= 7, DCO = 3, MOD = 0, DCOR = 0, T = 25°C
= 2.2 V
= 3 V
2.9
A
f
f
MHz
MHz
(DCO73)
2.7
3.2
3.65
f
f
f
DCO40 DCO40 DCO40
× 1.7
R
R
= 4, DCO = 7, MOD = 0, DCOR = 0, T = 25°C
V
CC
= 2.2 V/3 V
(DCO47)
sel
sel
A
× 2.1
× 2.5
V
V
= 2.2 V
= 3 V
4
4.5
4.9
CC
f
= 7, DCO = 7, MOD = 0, DCOR = 0, T = 25°C
MHz
(DCO77)
A
4.4
4.9
5.4
CC
S
S
S
= f
/ f
DCO DCO+1 DCO
V
= 2.2 V/3 V
= 2.2 V/3 V
= 2.2 V
= 3 V
1.35
1.07
−0.31
−0.33
1.65
1.12
−0.36
−0.38
2
(Rsel)
R
Rsel+1 Rsel
CC
CC
CC
CC
S
= f / f
V
1.16
−0.40
−0.43
(DCO)
V
V
Temperature drift, R
(see Note 2)
= 4, DCO = 3, MOD = 0
sel
D
D
%/°C
%/V
t
Drift with V
CC
(see Note 2)
variation, R = 4, DCO = 3, MOD = 0
sel
V
CC
= 2.2 V/3 V
0
5
10
V
NOTES: 1. The DCO frequency may not exceed the maximum system frequency defined by parameter processor frequency, f
2. This parameter is not production tested.
.
(System)
1
DCOCLK
f
Max
DCO_7
f
Min
Max
f
DCO_0
Min
0
1
2
3
4
5
6
7
DCO
2.2
3
V
CC
− V
Figure 12. DCO Characteristics
32
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TI [ TEXAS INSTRUMENTS ]
