參數(shù)資料
型號: AD9558BCPZ-REEL7
廠商: Analog Devices Inc
文件頁數(shù): 56/104頁
文件大?。?/td> 0K
描述: IC CLK XLATR PLL 1250MHZ 64LFCSP
產(chǎn)品變化通告: AD9558 Minor Metal Mask Change 17/Apr/2012
標(biāo)準(zhǔn)包裝: 750
類型: 時(shí)鐘/頻率轉(zhuǎn)換器
PLL:
主要目的: 以太網(wǎng),SONET/SDH,Stratum
輸入: CMOS,LVDS,LVPECL
輸出: CMOS,HSTL,LVDS
電路數(shù): 1
比率 - 輸入:輸出: 4:6
差分 - 輸入:輸出: 是/是
頻率 - 最大: 1.25GHz
電源電壓: 1.71 V ~ 3.465 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-VFQFN 裸露焊盤,CSP
供應(yīng)商設(shè)備封裝: 64-LFCSP-VQ(9x9)
包裝: 帶卷 (TR)
Data Sheet
AD9558
Rev. B | Page 55 of 104
Data Transfer Format
Write byte format—the write byte protocol is used to write a register address to the RAM starting from the specified RAM address.
S
Slave
address
AA
WEE
A
RAM address
high byte
A
RAM address
low byte
A
RAM
Data 0
A
RAM
Data 1
A
RAM
Data 2
A
P
Send byte format—the send byte protocol is used to set up the register address for subsequent reads.
S
Slave address
AA
WEE
A
RAM address high byte
A
RAM address low byte
A
P
Receive byte format—the receive byte protocol is used to read the data byte(s) from RAM starting from the current address.
S
Slave address
R
A
RAM Data 0
A
RAM Data 1
A
RAM Data 2
AA
A
EE
P
Read byte format—the combined format of the send byte and the receive byte.
S
Slave
Address
AA
WEE
A
RAM
Address
High Byte
A
RAM
Address
Low Byte
A
Sr
Slave
Address
R
A
RAM
Data 0
A
RAM
Data 1
A
RAM
Data 2
AA
A
EE
P
IC Serial Port Timing
S
Sr
S
P
SDA
SCL
tSP
tHD; STA
tSU; STA
tSU; DAT
tHD; DAT
tHD; STA
tHIGH
tLOW
tSU; STO
tBUF
tR
tF
tR
tF
09758-
040
Figure 57. IC Serial Port Timing
Table 30. IC Timing Definitions
Parameter
Description
fSCL
Serial clock
tBUF
Bus free time between stop and start conditions
tHD; STA
Repeated hold time start condition
tSU; STA
Repeated start condition setup time
tSU; STO
Stop condition setup time
tHD; DAT
Data hold time
tSU; DAT
Date setup time
tLOW
SCL clock low period
tHIGH
SCL clock high period
tR
Minimum/maximum receive SCL and SDA rise time
tF
Minimum/maximum receive SCL and SDA fall time
tSP
Pulse width of voltage spikes that must be suppressed by the input filter
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