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參數(shù)資料
| 型號(hào)： | WB1330 |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | Dual Serial Input PLL with 2.5-GHz and 600-MHz Prescalers(帶2.5-GHz和600-MHz預(yù)標(biāo)定器的雙路串聯(lián)輸入PLL) |
| 中文描述： | 雙串行輸入鎖相環(huán)2.5千兆赫和600兆赫分頻器（帶2.5 - GHz的和600 - MHz的預(yù)標(biāo)定器的雙路串聯(lián)輸入鎖相環(huán)） |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 160K |
| 代理商： | WB1330 |
Dual Serial Input PLL with 2.5-GHz and 600-MHz Prescalers
WB1330
Cypress Semiconductor Corporation
3901 North First Street
San Jose
CA 95134
408-943-2600
February 16, 2000, rev. *B
Features
Operating voltage 2.7V to 5.5V
PLL1 operating frequency:
—2.5 GHz with prescaler ratios of 32/33 and 64/65
PLL2 operating frequency:
—600 MHz with prescaler ratios of 8/9 and 16/17
Lock detect feature
Power-down mode I
CC
< 1
μ
A typical at 3.0V
20-pin TSSOP (Thin Shrink Small Outline Package)
Applications
The Cypress WB1330 is a dual serial input PLL frequency
synthesizer designed to combine the RF and IF mixer frequen-
cy sections of wireless communications systems. One 2.5-
GHz and one 600-MHz prescaler, each with pulse swallow ca-
pability are included. The device operates from 2.7V and dis-
sipates only 30 mW. (See
Figure 1
for an example application
diagram of the WB1330.)
WB1330 Dual Hi-Lo PLL Block Diagram
Pin Configuration
V
CC
2
V
P
2
D
O
PLL2
GND
F
IN
2
F
IN
2#
GND
LE
DATA
CLOCK
20
19
18
17
16
15
14
13
12
11
V
CC
1
V
P
1
D
O
PLL1
GND
F
IN
1
F
IN
1#
GND
OSC_IN
GND
F
O
/LD
1
2
3
4
5
6
7
8
9
10
Binary 7-Bit
Swallow Counter
Prescaler
32/33 or
64/65
Phase
Detector
19-Bit
Latch
Pwr-dwn
PLL1
Binary 11-Bit
Programmable Counter
20-Bit Latch
20-Bit Latch
Prescaler
8/9 or
16/17
Cntrl 22-Bit
Shift
Reg.
Binary 4-Bit
Swallow Counter
Binary 11-Bit
Programmable Counter
19-Bit
Latch
Pwr-dwn
PLL2
15-Bit
Reference Counter
15-Bit
Reference Counter
Phase
Detector
Charge
Pump
fr fp
Monitor
Output
Selector
Charge
Pump
Power
Control
GND (17)
V
P
2 (19)
GND (9)
GND (14)
GND (4)
GND (7)
V
CC
1 (1)
V
CC
2 (20)
F
IN
1 (5)
F
IN
1# (6)
OSC_IN (8)
LE (13)
DATA (12)
CLOCK (11)
F
IN
2 (16)
F
IN
2# (15)
V
P
1 (2)
D
O
PLL1 (3)
F
O
/LD (10)
D
O
PLL2 (18)
Latch
Selector
fp1
fr1
fr2
fp2
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