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参数资料
| 型号： | 844S012BKI-01LF |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | OTHER CLOCK GENERATOR, QCC56 |
| 封装： | 8 X 8 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VLLD-2, VFQFN-56 |
| 文件页数： | 18/23页 |
| 文件大小： | 847K |
| 代理商： | 844S012BKI-01LF |
ICS844S012BKI-01 REVISION A APRIL 2, 2010
4
2010 Integrated Device Technology, Inc.
ICS844S012I-01 Data Sheet
CRYSTAL-TO-LVDS/LVCMOS FREQUENCY SYNTHESIZER
Table 2. Pin Characteristics
Function Tables
Table 3A. F_SELA[1:0] Frequency Select Function Table
Table 3B. F_SELB[2:0] Frequency Select Function Table
Symbol
Parameter
Test Conditions
Minimum
Typical
Maximum
Units
CIN
Input Capacitance
2pF
CPD
Power Dissipation
Capacitance
QB[0:6], QC
VDD = VDDOB, VDDOC = VDDO_REF
= 3.465V
19
pF
RPULLUP
Input Pullup Resistor
51
k
RPULLDOWN Input Pulldown Resistor
51
k
ROUT
Output Impedance
QB[0:6], QC
VDDOB, VDDOC = 3.3V
18
REF_OUT[0:1]
VDDO_REF = 3.3V
23
Inputs
Output Frequency (25MHz Reference)
F_SELA1
F_SELA0
M Divider Value
NA Divider Value
QA[0:1], nQA[0:1] – (MHz)
0
80
20
100 (default)
0
1
80
16
125
1
0
80
10
200
1
80
8
250
Inputs
Output Frequency (25MHz Reference)
F_SELB2
F_SELB1
F_SELB0
M Divider Value
NB Divider Value
QB[0:6] – (MHz)
0
80
60
33.33 (default)
0
1
80
40
50
0
1
0
80
30
66.67
0
1
80
20
100
1
0
80
16
125
1
0
1
80
15
133.33
1
0
80
12
166.67
1
80
10
200
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