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參數(shù)資料
| 型號(hào)： | 24AA52_05 |
| 廠商： | Microchip Technology Inc. |
| 元件分類(lèi)： | EEPROM |
| 英文描述： | 2K 2.2V I2C⑩ Serial EEPROM with Software Write-Protect |
| 中文描述： | ⑩2K 2.2伏的I2C串行EEPROM與軟件寫(xiě)保護(hù) |
| 文件頁(yè)數(shù)： | 13/28頁(yè) |
| 文件大?。?/td> | 350K |
| 代理商： | 24AA52_05 |
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2005 Microchip Technology Inc.
DS21166J-page 13
24AA52/24LCS52
8.0
PIN DESCRIPTIONS
The descriptions of the pins are listed in Table 8-1.
TABLE 8-1:
PIN FUNCTION TABLE
8.1
A0, A1, A2
The levels on these inputs are compared with the
corresponding bits in the slave address. The chip is
selected if the compare is true.
Up to eight 24XXX52 devices may be connected to the
same bus by using different Chip Select bit
combinations. These inputs must be connected to
either V
SS
or V
CC
.
8.2
Serial Address/Data Input/Output
(SDA)
This is a bidirectional pin used to transfer addresses
and data into and data 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
Ω
for 100 kHz, 2 k
Ω
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.
8.3
Serial Clock (SCL)
This input is used to synchronize the data transfer to
and from the device.
8.4
Write-Protect (WP)
This is the hardware write-protect pin. It can be tied to
V
CC
or V
SS
. If tied to V
CC
, the hardware write protection
is enabled. If the WP pin is tied to V
SS
, the hardware
write protection is disabled.
Symbol
PDIP
SOIC
TSSOP
MSOP
DFN
Description
A0
A1
A2
V
SS
SDA
SCL
WP
V
CC
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Chip Address Input
Chip Address Input
Chip Address Input
Ground
Serial Address/Data I/O
Serial Clock
Write-Protect Input
+1.8V to 5.5V Power Supply
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| 24AA52-I/MCG | 功能描述:電可擦除可編程只讀存儲(chǔ)器 256x8 - 2.5V Industrial Temp 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 |
| 24AA52-I/MS | 功能描述:電可擦除可編程只讀存儲(chǔ)器 256x8 - 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 |
| 24AA52-I/MSG | 功能描述:電可擦除可編程只讀存儲(chǔ)器 256x8 - 1.8V Lead Free Package 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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