- 您现在的位置：买卖IC网 > PDF目录225537 > WB1220X Serial-Input Frequency Synthesizer PDF资料下载
参数资料
| 型号： | WB1220X |
| 英文描述： | Serial-Input Frequency Synthesizer |
| 中文描述： | 串行输入频率合成器 |
| 文件页数： | 1/9页 |
| 文件大小： | 174K |
| 代理商： | WB1220X |
Serial Input PLL with 2.0-GHz Prescaler
WB1220
Cypress Semiconductor Corporation
3901 North First Street
San Jose
CA 95134
408-943-2600
February 2, 2000, rev. *A
Features
Operating voltage 2.7V to 5.5V
Operating frequency: up to 2.0 GHz with prescaler
ratios of 64/65 and 128/129
Lock detect feature
Power-down mode
20-pin TSSOP (Thin Shrink Small Outline Package)
Applications
Wireless LAN
Wireless communication handsets
Base Stations
Microcells
WB1220 PLL Block Diagram
Pin Configuration
Phase
Detector
FIN
Prescaler
Binary 7-Bit
(10)
64/65 or
128/129
Swallow Counter
Binary 11-Bit
Programmable Counter
Charge
Pump
18-Bit
Latch
15-Bit
Latch
14-Bit
Reference Counter
Divider
Output
(fr/fp)
MUX
Latch
Selector
Cntrl 19-Bit
Shift
Reg
OSC_IN
(1)
OSC_OUT
(3)
LE
(14)
DATA
(13)
CLOCK
(11)
FOUT
(17)
LD
(8)
p
(18)
PWDN
(19)
DO
(6)
FC
(15)
BISW
(16)
r
(20)
fr
fp
VP (4)
VCC (5)
GND (7)
r
PWDN
p
Fout
BISW
FC
LE
DATA
NC
CLOCK
20
19
18
17
16
15
14
13
12
11
OSC_IN
NC
OSC_OUT
VP
VCC
DO
GND
LD
NC
FIN
1
2
3
4
5
6
7
8
9
10
Powered by ICminer.com Electronic-Library Service CopyRight 2003
相关PDF资料 |
PDF描述 |
|---|---|
| WB1235L-4801TR | 3 CONTACT(S), MALE, STRAIGHT TWO PART BOARD CONNECTOR, SURFACE MOUNT |
| WB1330X | Serial-Input Frequency Synthesizer |
| WB1336TX-TR | Serial-Input Frequency Synthesizer |
| WB1356X | Serial-Input Frequency Synthesizer |
| WB416-PQ-20 | Write Buffer |
相关代理商/技术参数 |
参数描述 |
|---|---|
| WB1233LD-FR | 功能描述:密封铅酸电池 Replacement Bat 12V 33AH RoHS:否 制造商:CSB 输出电压:12 V 容量: 大小: 端接类型:Faston Tab |
| WB1233LPB-FR | 功能描述:密封铅酸电池 Replacement Bat 12V 33AH RoHS:否 制造商:CSB 输出电压:12 V 容量: 大小: 端接类型:Faston Tab |
| WB1250LD-FR | 功能描述:密封铅酸电池 Replacement Bat 12V 50AH RoHS:否 制造商:CSB 输出电压:12 V 容量: 大小: 端接类型:Faston Tab |
| WB1250SPB-FR | 功能描述:密封铅酸电池 Replacement Bat 12V 50AH RoHS:否 制造商:CSB 输出电压:12 V 容量: 大小: 端接类型:Faston Tab |
| WB1254LD-FR | 功能描述:密封铅酸电池 Replacement Bat 12V 54AH RoHS:否 制造商:CSB 输出电压:12 V 容量: 大小: 端接类型:Faston Tab |
发布紧急采购，3分钟左右您将得到回复。