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參數(shù)資料
| 型號(hào)： | PCA8581P |
| 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, PDIP8 |
| 封裝： | 0.300 INCH, PLASTIC, MO-001AN, SOT-97-1, DIP-8 |
| 文件頁數(shù)： | 7/20頁 |
| 文件大?。?/td> | 107K |
| 代理商： | PCA8581P |
1997 Apr 02
7
Philips Semiconductors
Product specification
128
×
8-bit EEPROM with I
2
C-bus interface
PCA8581; PCA8581C
7.5
I
2
C-bus protocol
Before any data is transmitted on the I
2
C-bus, the device which should respond is addressed first. The addressing is
always carried out with the first byte transmitted after the start procedure. The I
2
C-bus configuration for the different
PCA8581 WRITE and READ cycles is shown in Figs 7, 9 and 10.
After the word address, one-to-eight data bytes can be sent. The address is automatically incremented, but the four
highest address bits (row) are internally latched. Therefore all bytes are written in the same row.
An example of writing eight bytes with word address X 0 0 0 0 0 0 0 and six bytes with word address X 0 0 1 0 1 0 1 is
shown in Fig.8.
Fig.7 Master transmits to slave receiver (WRITE) mode.
handbook, full pagewidth
S
0 A X
SLAVE ADDRESS
WORD ADDRESS
A
A
DATA
P
acknowledgement
from slave
acknowledgement
from slave
acknowledgement
from slave
WRITING
R/W don't
care
auto increment
memory word address
MLB889
n bytes
tWR
Fig.8 Writing eight and six bytes with different word addresses.
(1) X = don’t care.
handbook, full pagewidth
MLB890
Word Address
(1)
Row
0
1
2
3
column
1
4
2
5
3
6
4
5
6
1
7
2
8
3
0
1
2
3
4
5
6
7
X0000000
X0001...
X0010101
X0011...
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PCA8581P/F6,112 | 功能描述:電可擦除可編程只讀存儲(chǔ)器 128X8 電可擦除可編程只讀存儲(chǔ)器 I2C-BUS RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| PCA8581PN | 功能描述:電可擦除可編程只讀存儲(chǔ)器 128X8 電可擦除可編程只讀存儲(chǔ)器 I2C-BUS RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| PCA8581T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:128 x 8-bit EEPROM with I2C-bus interface |
| PCA8581T/6,112 | 功能描述:電可擦除可編程只讀存儲(chǔ)器 電可擦除可編程只讀存儲(chǔ)器 128X8 W/I2C RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)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(fēng)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(chǔ)器 128X8 電可擦除可編程只讀存儲(chǔ)器 I2C BUS RoHS:否 制造商:Atmel 存儲(chǔ)容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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