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參數(shù)資料
| 型號(hào)： | HMC704LP4E |
| 廠商： | Hittite Microwave Corporation |
| 文件頁數(shù)： | 24/44頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC FRACT-N PLL 16BIT 24QFN |
| 標(biāo)準(zhǔn)包裝： | 1 |
| 類型： | 整數(shù) N/小數(shù) N 分頻 |
| PLL： | 是 |
| 輸入： | CMOS |
| 輸出： | CMOS |
| 電路數(shù)： | 1 |
| 比率 - 輸入:輸出： | 1:1 |
| 差分 - 輸入:輸出： | 是/無 |
| 頻率 - 最大： | 8GHz |
| 除法器/乘法器： | 是/無 |
| 電源電壓： | 3.3V，5V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 24-VQFN 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 24-QFN 裸露焊盤（4x4） |
| 包裝： | 標(biāo)準(zhǔn)包裝 |
| 其它名稱： | 1127-1066-6 |
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HMC704LP4E
v03.1211
8 GHz fractionaL-n PLL
For price, delivery, and to place orders: Hittite Microwave Corporation,20 Alpha Road, Chelmsford, MA 01824
Phone: 978-250-3343
Fax: 978-250-3373
Order On-line at www.hittite.com
Application Support: Phone: 978-250-3343 or apps@hittite.com
register 0 Modes
Register 0 has a dedicated function in each mode. Open Mode allows wider compatibility with other manufacturers sPI
protocols.
table 8. register 0 comparison - Single vs Multi-User Modes
single User
HMC Mode
single Or Multi-User
Open Mode
READ
Chip ID
24 Bits
Chip ID
24Bits
WRITE
soft Reset,
General strobes
Read Address [4:0]
soft reset [5]
General strobes [24:6]
Serial Port Mode Decision after Power-on reset
On power up, both types of modes are active and listening. All digital IO must be low at power-up.
A decision to select the desired serial Port mode (protocol) is made on the first occurrence of sEN or sCLK , after
which the serial Port mode is fixed and only changeable by a power down.
a. If a rising edge on sEN is detected first HMC Mode is selected.
b. If a rising edge on sCLK is detected first Open mode is selected.
Serial Port HMc Mode - Single PLL
HMC Mode (Legacy Mode) serial port operation can only address and communicate with a single PLL, and is compat-
ible with most HMC PLLs and PLLs with integrated VCOs.
The HMC Mode protocol for the serial port is designed for a 4 wire interface with a fixed protocol featuring
a. 1 Read/Write bit
b. 6 Address bits
c. 24 data bits
Serial Port open Mode
The serial Port Open Mode features:
a. Compatibility with general serial port protocols that use a shift and strobe approach to com-
munication.
b. Compatible with HMC multi-Chip solutions, useful to address multiple chips of various types from a
single serial port bus.
The HMC Open Mode protocol has the following general features:
a. 3 bit chip address, can address up to 8 devices connected to the serial bus
b. Wide compatibility with multiple protocols from multiple vendors
c. simultaneous Write/Read during the sPI cycle
d. 5 bit register address space
e. 3 wire for Write Only capability, 4 wire for Read/Write capability.
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| HMC704LP4ETR | 制造商:Hittite Microwave Corp 功能描述:IC FRACT-N PLL 16BIT 24QFN |
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