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參數資料
| 型號： | PCA8581T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | DRAM |
| 英文描述： | 128 x 8-bit EEPROM with I2C-bus interface |
| 中文描述： | 128 X 8 EEPROM 5V, PDSO8 |
| 封裝： | 3.90 MM, PLASTIC, MS-012AA, SOT-96-1, SOP-8 |
| 文件頁數： | 5/20頁 |
| 文件大小： | 107K |
| 代理商： | PCA8581T |
1997 Apr 02
5
Philips Semiconductors
Product specification
128
×
8-bit EEPROM with I
2
C-bus interface
PCA8581; PCA8581C
7
CHARACTERISTICS OF THE I
2
C-BUS
The I
2
C-bus is for bidirectional, two-line communication
between different ICs or modules. The two lines are a
serial data line (SDA) and a serial clock line (SCL). Both
lines must be connected to a positive supply via a pull-up
resistor. Data transfer may be initiated only when the bus
is not busy.
7.1
Bit transfer
One data bit is transferred during each clock pulse.
The data on the SDA line must remain stable during the
HIGH period of the clock pulse as changes in the data line
at this time will be interpreted as a control signal.
Fig.3 Bit transfer.
MBA607
data line
stable;
data valid
change
of data
allowed
SDA
SCL
7.2
Start and stop conditions
Both data and clock lines remain HIGH when the bus is not busy. A HIGH-to-LOW transition of the data line, while the
clock is HIGH is defined as the start condition (S). A LOW-to-HIGH transition of the data line while the clock is HIGH is
defined as the stop condition (P).
Fig.4 Definition of START and STOP conditions.
MBA608
SDA
SCL
P
STOP condition
SDA
SCL
S
START condition
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| PCA9500 | The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each |
| PCA9501 | 8-bit I2C and SMBus I/O port with interrupt, 2-kbit EEPROM and 6 address pins |
相關代理商/技術參數 |
參數描述 |
|---|---|
| PCA8581T/6,112 | 功能描述:電可擦除可編程只讀存儲器 電可擦除可編程只讀存儲器 128X8 W/I2C RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| PCA8581T/6,118 | 功能描述:電可擦除可編程只讀存儲器 128X8 電可擦除可編程只讀存儲器 I2C BUS RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| PCA8581TD | 功能描述:電可擦除可編程只讀存儲器 電可擦除可編程只讀存儲器 128X8 W/I2C 100KHZ RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| PCA8581TD-T | 功能描述:電可擦除可編程只讀存儲器 128X8 電可擦除可編程只讀存儲器 I2C BUS SO-8 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數據保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| PCA8582F-2 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:256 x 8-bit CMOS EEPROMS with I2C-bus interface |
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