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參數(shù)資料
| 型號(hào)： | 24AA52TIPG |
| 廠商： | Microchip Technology Inc. |
| 元件分類： | EEPROM |
| 英文描述： | 2K 2.2V I2C Serial EEPROM with Software Write-Protect |
| 中文描述： | 2K 2.2伏的I2C串行EEPROM與軟件寫保護(hù) |
| 文件頁數(shù)： | 4/22頁 |
| 文件大?。?/td> | 254K |
| 代理商： | 24AA52TIPG |
24AA024/24LC024/24AA025/24LC025
DS21210G-page 4
2004 Microchip Technology Inc.
2.0
PIN DESCRIPTIONS
2.1
SDA Serial Data
SDA is a bidirectional pin used to transfer addresses
and data into and out of the device. It is an open-drain
terminal, therefore the SDA bus requires a pull-up
resistor to V
CC
(typical 10 k
for 100 kHz, 2 k
for
400 kHz).
For normal data transfer, SDA is allowed to change
only during SCL low. Changes during SCL high are
reserved for indicating the Start and Stop conditions.
2.2
SCL Serial Clock
The SCL input is used to synchronize the data transfer
from and to the device.
2.3
A0, A1, A2
The levels on the A0, A1 and A2 inputs are compared
with the corresponding bits in the slave address. The
chip is selected if the compare is true.
Up to eight 24AA024/24LC024/24AA025/24LC025
devices may be connected to the same bus by using
different Chip Select bit combinations. These inputs
must be connected to either V
CC
or V
SS
.
2.4
WP (24XX024 Only)
WP is the hardware write-protect pin. It must be tied to
V
CC
or V
SS
. If tied to Vcc, hardware write protection is
enabled. If WP is tied to Vss, the hardware write
protection is disabled. Note that the WP pin is available
only on the 24XX024. This pin is not internally
connected on the 24LC025.
2.5
Noise Protection
The 24AA024/24LC024/24AA025/24LC025 employs a
V
CC
threshold detector circuit which disables the inter-
nal erase/write logic if the V
CC
is below 1.5 volts at
nominal conditions.
The SCL and SDA inputs have Schmitt Trigger and
filter circuits which suppress noise spikes to assure
proper device operation, even on a noisy bus.
3.0
FUNCTIONAL DESCRIPTION
The 24AA024/24LC024/24AA025/24LC025 supports
a bidirectional, 2-wire bus and data transmission
protocol. A device that sends data onto the bus is
defined as transmitter, while a device receiving data
is defined as receiver. The bus has to be controlled
by a master device which generates the serial clock
(SCL), controls the bus access and generates the
Start and Stop conditions, while the 24AA024/
24LC024/24AA025/24LC025 works as slave. Both
master and slave can operate as transmitter or
receiver, but the master device determines which
mode is activated.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 24AA64/P | 功能描述:電可擦除可編程只讀存儲(chǔ)器 8kx8 - 1.8V 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 |
| 24AA64/S15K | 制造商:Microchip Technology Inc 功能描述:64K, 8K X 8, 1.8V SER EE, DIE IN WAFFLE PK - Gel-pak, waffle pack, wafer, diced wafer on film |
| 24AA64/SM | 功能描述:電可擦除可編程只讀存儲(chǔ)器 8kx8 - 1.8V 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 |
| 24AA64/SN | 功能描述:電可擦除可編程只讀存儲(chǔ)器 8kx8 - 1.8V 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 |
| 24AA64-E/MS | 功能描述:電可擦除可編程只讀存儲(chǔ)器 64K, 8Kx8, 1.8V SER EE, ExT 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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