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參數(shù)資料
| 型號： | MAX9598CTL+ |
| 廠商： | Maxim Integrated Products |
| 文件頁數(shù)： | 9/36頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC SWITCH DUAL SCART 40TQFN |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 50 |
| 功能： | 開關 |
| 電路： | 2 x SCART |
| 導通狀態(tài)電阻： | 7 歐姆 |
| 電壓電源： | 單/雙電源 |
| 電壓 - 電源，單路/雙路(±)： | 3 V ~ 3.6 V，±11.4 V ~ 12.6 V |
| 工作溫度： | 0°C ~ 70°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 40-WFQFN 裸露焊盤 |
| 供應商設備封裝： | 40-TQFN-EP（6x6） |
| 包裝： | 管件 |
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Fast Switching
The fast-switching signal was originally used to switch
between CVBS and RGB signals on a pixel-by-pixel
basis so that on-screen display (OSD) information
could be inserted. Since modern set-top box decoder
chips have integrated OSD circuitry, there is no need to
create OSD information using the older technique.
Now, the fast-switching signal is just used to switch
between CVBS and RGB signal sources.
Set the source of the fast-switching signal by writing to
bits 4 and 3 of the TV Video Output Control Register
(07h). The fast switching signal to the TV SCART con-
nector can be enabled or disabled by bit 1 of the Output
Enable Register (0Dh). See Tables 8, 13, and 16.
I2C Serial Interface
The MAX9598 features an I2C/SMBus-compatible, 2-
wire serial interface consisting of a serial data line (SDA)
and a serial clock line (SCL). SDA and SCL facilitate
communication between the MAX9598 and the master
at clock rates up to 400kHz. Figure 6 shows the 2-wire
interface timing diagram. The master generates SCL
and initiates data transfer on the bus. A master device
writes data to the MAX9598 by transmitting a START (S)
condition, the proper slave address with the R/W bit set
to 0, followed by the register address and then the data
word. Each transmit sequence is framed by a START (S)
and a STOP (P) condition. Each word transmitted to the
MAX9598 is 8 bits long and is followed by an acknowl-
edge clock pulse. A master reads from the MAX9598 by
transmitting the slave address with the R/W bit set to 0,
the register address of the register to be read, a
REPEATED START (Sr) condition, the slave address with
the R/W bit set to 1, followed by a series of SCL pulses.
The MAX9598 transmits data on SDA in sync with the
master-generated SCL pulses. The master acknowl-
edges receipt of each byte of data. Each read
sequence is framed by a START (S) or REPEATED
START (Sr) condition, an acknowledge or a not acknowl-
edge, and a STOP (P) condition. SDA operates as both
an input and an open-drain output. A pullup resistor,
typically greater than 500
Ω, is required on the SDA bus.
SCL operates as only an input. A pullup resistor, typical-
ly greater than 500
Ω, is required on SCL if there are
multiple masters on the bus, or if the master in a single-
master system has an open-drain SCL output. Series
resistors in line with SDA and SCL are optional. Series
resistors protect the digital inputs of the MAX9598 from
high-voltage spikes on the bus lines, and minimize
crosstalk and undershoot of the bus signals.
Bit Transfer
One data bit is transferred during each SCL cycle. The
data on SDA must remain stable during the high period
of the SCL pulse. Changes in SDA while SCL is high
are control signals (see the
START and STOP
Conditions section). SDA and SCL idle high when the
I2C bus is not busy.
MAX9598
Low-Power Audio/Video Switch for
Dual SCART Connectors
______________________________________________________________________________________
17
SCL
SDA
START
CONDITION
STOP
CONDITION
REPEATED
START CONDITION
START
CONDITION
tHD, STA
tSU, STA
tSP
tBUF
tSU, STO
tLOW
tSU, DAT
tHD, DAT
tHIGH
tR
tF
Figure 6. I2C Serial-Interface Timing Diagram
SMBus is a trademark of Intel Corporation.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX9598CTL+ | 功能描述:視頻開關 IC A/V Switch for Dual SCART Connector RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| MAX9598CTL+T | 功能描述:視頻開關 IC A/V Switch for Dual SCART Connector RoHS:否 制造商:Texas Instruments 開關數(shù)量:4 開啟電阻（最大值）:12 Ohms 傳播延遲時間: 開啟時間（最大值）: 關閉時間（最大值）: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:WQFN-42 封裝:Reel |
| MAX9598EVKIT+ | 功能描述:交換機 IC 開發(fā)工具 MAX9598 Eval Kit RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:USB Power Switches 工具用于評估:MAX4984E 工作電源電壓:2.8 V to 5.5 V |
| MAX9600EUP | 功能描述:校驗器 IC Dual ECL-D/Q PECL 500ps Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
| MAX9600EUP+ | 功能描述:校驗器 IC Dual ECL-D/Q PECL 500ps Comparator RoHS:否 制造商:STMicroelectronics 產品: 比較器類型: 通道數(shù)量: 輸出類型:Push-Pull 電源電壓-最大:5.5 V 電源電壓-最小:1.1 V 補償電壓（最大值）:6 mV 電源電流（最大值）:1350 nA 響應時間: 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:SC-70-5 封裝:Reel |
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