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參數(shù)資料
| 型號： | M24512-WMW6T |
| 廠商： | 意法半導體 |
| 英文描述： | 512 Kbit Serial I睠 Bus EEPROM |
| 中文描述： | 512千位串行I眷總線的EEPROM |
| 文件頁數(shù)： | 4/24頁 |
| 文件大?。?/td> | 379K |
| 代理商： | M24512-WMW6T |
M24512
4/24
SUMMARY DESCRIPTION
These I
2
C-compatible electrically erasable pro-
grammable memory (EEPROM) devices are orga-
nized as 64K x 8 bits.
Figure 2. Logic Diagram
Table 2. Signal Names
I
2
C uses a two-wire serial interface, comprising a
bi-directional data line and a clock line. The devic-
es carry a built-in 4-bit Device Type Identifier code
(1010) in accordance with the I
2
C bus definition.
The device behaves as a slave in the I
2
C protocol,
with all memory operations synchronized by the
serial clock. Read and Write operations are initiat-
ed by a Start condition, generated by the bus mas-
ter. The Start condition is followed by a Device
Select Code and Read/Write bit (RW) (as de-
scribed in
Table 3.
), terminated by an acknowl-
edge bit.
When writing data to the memory, the device in-
serts an acknowledge bit during the 9
th
bit time,
following the bus master’s 8-bit transmission.
When data is read by the bus master, the bus
master acknowledges the receipt of the data byte
in the same way. Data transfers are terminated by
a Stop condition after an Ack for Write, and after a
NoAck for Read.
Power On Reset
In order to prevent data corruption and inadvertent
Write operations during Power-up, a Power On
Reset (POR) circuit is included. At Power-up, the
device will not respond to any command until V
CC
has reached the Power On Reset threshold volt-
age (this threshold is lower than the V
CC
min oper-
ating voltage defined in Tables
8
and
9
). In the
same way, as soon as V
CC
drops from the normal
operating voltage, below the Power On Reset
threshold voltage, the device stops to respond to
any command.
Prior to selecting and issuing commands to the
memory, a valid and stable V
CC
voltage must be
applied. This voltage must remain stable and valid
until the end of the transmission of the command
and, for a Write instruction, until the completion of
the internal write cycle (t
W
).
Figure 3. DIP, SO and TSSOP Connections
Note: See
PACKAGE MECHANICAL
section for package dimen-
sions, and how to identify pin-1.
E0, E1, E2
Chip Enable
SDA
Serial Data
SCL
Serial Clock
WC
Write Control
V
CC
Supply Voltage
V
SS
Ground
AI02275
SDA
VCC
M24512
WC
SCL
VSS
3
E0-E2
1
2
3
4
AI04035B
8
7
6
5
SDA
VSS
SCL
WC
E1
E2
E0
VCC
M24512
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| M24512-WMW6TG | 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 S. I2C 512K RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)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 |
| M24512-WMW6TP | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:512 Kbit and 256 Kbit Serial I2C bus EEPROM with three Chip Enable lines |
| M2452 SL001 | 制造商:Alpha Wire 功能描述:CBL 37COND 24AWG SLT 1000' |
| M2452 SL005 | 制造商:Alpha Wire 功能描述:CBL 37COND 24AWG SLT 100' |
| M245-2-0-11-0 | 制造商:Simpson Electric 功能描述:DIGITAL PANEL METER MODEL M245 LED FUNCTION 0-200MVDC 85-250VAC POWER |
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