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參數(shù)資料
| 型號： | BU2173F |
| 英文描述： | Miscellaneous Clock Generator |
| 中文描述： | 雜項時鐘發(fā)生器 |
| 文件頁數(shù)： | 3/5頁 |
| 文件大小： | 56K |
| 代理商： | BU2173F |
3
Multimedia ICs
BU2173F
Input / output circuits
Type A
Pin
To inside
Pin
Pin
To inside
Type C
Pin
From inside
Type B
Electrical characteristics (unless otherwise noted, Ta = 25°C, V
DD
= 5.0V, A
VDD
= 5.0V, IO
VDD
= 5.0V)
Parameter
Symbol
Min.
Typ.
Input current, low level
Input current, high level
Input voltage, low level
Input voltage, high level
Output voltage, low level
Output voltage, high level
Operating supply current
I
IL
I
IH
V
IL
V
IH
V
OL
V
OH
I
DD
—
μ
A
– 300.0
– 300.0
—
4.0
—
2.4
30
0.0
0.0
—
—
—
—
50
300.0
300.0
1.0
—
0.5
—
mA
V
V
Max.
Unit
Conditions
μ
A
V
—
—
—
—
V
f
XTAL
= 13.5 MHz, no load
Reference frequency
f
REF
—
13.5
—
MHz
Use with CTRLB at the high level
Output frequency
f
4
—
3.375
—
MHz
f
4
= f
REF
×
1 / 4
Jitter
—
1.0
—
ns
Measure at f
2A
, f
2B
, f
2C
(reference)
Reference frequency
f
REF2
—
14.318
—
MHz
Use with CTRLB at the low level
Output frequency
f
1B
—
40.5
—
MHz
f
1B
= f
REF2
×
98 / 35 / 2
f
2D
= f
REF2
×
98 / 35 / 3
Output frequency
f
4B
—
3.579
—
MHz
f
4B
= f
REF2
×
1 / 4
Output frequency
f
1
—
40.5
—
MHz
f
1
= f
REF
×
96 / 16 / 2
f
2A
= f
REF
×
96 / 16 / 3
Output frequency
CTRLA = H, CTRLB = H, CTRLC = H
f
2B
= f
REF
×
227 / 54 / 2
f
2A
—
27.000
—
MHz
Output frequency
CTRLA = H, CTRLB = L, CTRLC = H
f
2E
= f
REF2
×
80 / 20 / 2
f
2D
—
27.000
—
MHz
CTRLA = L, CTRLB = L, CTRLC = H
f
2E
—
28.636
—
MHz
CTRLA = L, CTRLB = H, CTRLC = L
f
2C
= f
REF
×
140 / 33 / 2
f
2B
—
28.375
—
MHz
CTRLA = L, CTRLB = H, CTRLC = H
f
2C
—
28.636
—
MHz
I
OL
= 4.0mA
I
OH
= – 4.0mA
(1)
(2)
(4)
(2)
(1)
(2)
(4)
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