参数资料
型号: CXA3266Q
元件分类: PLL合成/DDS/VCOs
英文描述: PHASE LOCKED LOOP, 0.12 MHz, PQFP48
封装: PLASTIC, QFP-48
文件页数: 40/62页
文件大小: 929K
代理商: CXA3266Q
CXA3266Q
- 45 -
2. Recommended TTL I/O circuit
The peripheral circuits mainly use TTL for digital input and output. Of course, PECL and TTL can also be mixed.
3
GND
Control
Register
HOLD
100pF
0.068F
3.0k
680pF
Loop Filter 4
3.0k
100
VCC
UNLOCK output 2
GND
100k
10nF
TTL level output pins
IOV
CC
IOGND
VCOH
VCOL
VCO
HOLD
SYNCH
SYNCL
SYNC
SENABLE
SCLK
SDATA
PECLV
CC
VBB
DSYNCH
DSYNCL
CLKH
CLKL
CLK/2H
CLK/2L
PECLV
CC
IOGND
TTLV
CC
TTLGND DSYNC
CLK
CLKN
CLK/2
CLK/2N
DGND
DVCC
UNLOCK
DIVOUT
SEROUT
CS
TLOAD
IOGND
VOCLP
PLLVCC
PLLGND
VCOVCC
VCOGND
VCOHGND
IREF
RC2
RC1
IRGND
IRVCC
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
11
12
1
2
3
4
5
6
7
8
9
10
Note)
1 Unless otherwise specified, all capacitors are 0.1F.
2 Vary the external resistor and capacitor values of the
UNLOCK output as necessary.
3 This external resistor (3.0k) should be a metal film
resistor in consideration of temperature characteristics.
4 The loop filter's capacitors and resistor should also be
temperature compensated.
SYNC: TTL level input
VCC (+5.0V)
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