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參數(shù)資料
| 型號(hào)： | CAT5136SDI-50GT3 |
| 廠商： | ON Semiconductor |
| 文件頁(yè)數(shù)： | 7/10頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC DPP I2C 128TAP VOL SC70-6 |
| 標(biāo)準(zhǔn)包裝： | 3,000 |
| 接片： | 128 |
| 電阻（歐姆）： | 50k |
| 電路數(shù)： | 1 |
| 溫度系數(shù)： | 標(biāo)準(zhǔn)值 ±300 ppm/°C |
| 存儲(chǔ)器類型： | 易失 |
| 接口： | I²C |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | * |
| 封裝/外殼： | * |
| 供應(yīng)商設(shè)備封裝： | * |
| 包裝： | * |
CAT5136, CAT5137, CAT5138
http://onsemi.com
6
SERIAL BUS PROTOCOL
The following defines the features of the I2C bus protocol:
1. Data transfer may be initiated only when the bus is
not busy.
2. During a data transfer, the data line must remain
stable whenever the clock line is high. Any
changes in the data line while the clock is high
will be interpreted as a START or STOP condition.
The device controlling the transfer is a master, typically a
processor or controller, and the device being controlled is the
slave. The master will always initiate data transfers and
provide the clock for both transmit and receive operations.
Therefore, the CAT513x will be considered a slave device
in all applications.
START Condition
The START Condition precedes all commands to the
device, and is defined as a HIGH to LOW transition of SDA
when SCL is HIGH. The CAT513x monitors the SDA and
SCL lines and will not respond until this condition is met
(see Figure 7).
STOP Condition
A LOW to HIGH transition of SDA when SCL is HIGH
determines the STOP condition. All operations must end
with a STOP condition (see Figure 7).
Acknowledge
After a successful data transfer, each receiving device is
required to generate an acknowledge. The acknowledging
device pulls down the SDA line during the ninth clock cycle,
signaling that it received the 8 bits of data (see Figure 8).
The CAT513x responds with an acknowledge after
receiving a START condition and its slave address. If the
device has been selected along with a write operation, it
responds with an acknowledge after receiving each 8-bit
byte.
When the CAT513x is in a READ mode it transmits 8 bits
of data, releases the SDA line, and monitors the line for an
acknowledge. Once it receives this acknowledge, the
CAT513x will continue to transmit data. If no acknowledge
is sent by the Master, the device terminates data transmission
and waits for a STOP condition.
START CONDITION
SDA
STOP CONDITION
SCL
Figure 7. Start/Stop Condition
18
9
START
SCL FROM
MASTER
BUS RELEASE DELAY (TRANSMITTER)
BUS RELEASE DELAY (RECEIVER)
DATA OUTPUT
FROM TRANSMITTER
DATA OUTPUT
FROM RECEIVER
Figure 8. Acknowledge Condition
ACK DELAY ( tAA)
ACK SETUP ( tSU:DAT)
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參數(shù)描述 |
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| CAT5137SDI-00GT3 | 功能描述:IC DPP I2C 128TAP VOL SC70-6 RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 接片:256 電阻（歐姆）:100k 電路數(shù):2 溫度系數(shù):標(biāo)準(zhǔn)值 35 ppm/°C 存儲(chǔ)器類型:易失 接口:6 線串行（芯片選擇，遞增，增/減） 電源電壓:2.6 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
| CAT5137SDI-10GT3 | 制造商:ON Semiconductor 功能描述:DPP IIC 128 TAPS VOLATILE - Tape and Reel |
| CAT5138SDI-10GT3 | 功能描述:IC DPP I2C 128TAP VOL SC70-6 RoHS:是 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 接片:256 電阻（歐姆）:100k 電路數(shù):2 溫度系數(shù):標(biāo)準(zhǔn)值 35 ppm/°C 存儲(chǔ)器類型:易失 接口:6 線串行（芯片選擇，遞增，增/減） 電源電壓:2.6 V ~ 5.5 V 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:14-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:14-TSSOP 包裝:帶卷 (TR) |
| CAT5140ZI-00-GT3 | 功能描述:數(shù)字電位計(jì) IC DPP NONVOL SGL 256TAP I2C RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| CAT5140ZI-50-GT3 | 功能描述:數(shù)字電位計(jì) IC DPP NONVOL SGL 256TAP I2C RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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