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參數(shù)資料
| 型號： | M34D64RBNT5 |
| 廠商： | 意法半導體 |
| 元件分類： | DRAM |
| 英文描述： | 64/32 Kbit Serial IC Bus EEPROM With Hardware Write Control on Top Quarter of Memory |
| 中文描述： | 64/32千位串行IC總線EEPROM，帶有硬件寫控制記憶的熱門季 |
| 文件頁數(shù)： | 2/15頁 |
| 文件大?。?/td> | 119K |
| 代理商： | M34D64RBNT5 |
M34D64, M34D32
2/15
2.5 V (for the -W version of each device), and
down to 1.8 V (for the -R version of each device).
The M34D64 and M34D32 are available in Plastic
Dual-in-Line and Plastic Small Outline packages.
These memory devices are compatible with the
I
2
C extended memory standard. This is a two wire
serial interface that uses a bi-directional data bus
and serial clock. The memory carries a built-in 4-
bit unique Device Type Identifier code (1010) in
accordance with the I
2
C bus definition.
The memory behaves as a slave device in the I
2
C
protocol, with all memory operations synchronized
by the serial clock. Read and Write operations are
initiated by a START condition, generated by the
bus master. The START condition is followed by a
Device Select Code and RW bit (as described in
Table 3), terminated by an acknowledge bit.
When writing data to the memory, the memory
inserts 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: V
CC
Lock-Out Write Protect
In order to prevent data corruption and inadvertent
write operations during power up, a Power On
Reset (POR) circuit is included. The internal reset
is held active until the V
CC
voltage has reached
the POR threshold value, and all operations are
disabled – the device will not respond to any
command. In the same way, when V
CC
drops from
the operating voltage, below the POR threshold
value, all operations are disabled and the device
will not respond to any command. A stable and
Figure 2A. DIP Connections
Figure 2B. SO Connections
SDA
VSS
SCL
WC
E1
E2
E0
VCC
AI02851
M34D64
M34D32
1
2
3
4
8
7
6
5
1
2
3
4
AI02852
8
7
6
5
SDA
VSS
SCL
WC
E1
E2
E0
VCC
M34D64
M34D32
Table 2. Absolute Maximum Ratings
1
Note: 1.
Except for the rating “Operating Temperature Range”, stresses above those listed in the Table “Absolute Maximum Ratings” may
cause permanent damage to the device. These are stress ratings only, and operation of the device at these or any other conditions
above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum Rating condi-
tions for extended periods may affect device reliability. Refer also to the ST SURE Program and other relevant quality documents.
2. MIL-STD-883C, 3015.7 (100 pF, 1500
)
3. EIAJ IC-121 (Condition C) (200 pF, 0
)
Symbol
Parameter
Value
Unit
T
A
Ambient Operating Temperature
-40 to 125
°C
T
STG
Storage Temperature
-65 to 150
°C
T
LEAD
Lead Temperature during Soldering
PSDIP8: 10 sec
SO8: 40 sec
260
215
°C
V
IO
Input or Output range
-0.6 to 6.5
V
V
CC
Supply Voltage
-0.3 to 6.5
V
V
ESD
Electrostatic Discharge Voltage (Human Body model)
2
4000
V
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| M34D64RBNT6 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64/32 Kbit Serial IC Bus EEPROM With Hardware Write Control on Top Quarter of Memory |
| M34D64-RDW6T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit Serial I2C Bus EEPROM With Hardware Write Control on Top Quarter of Memory |
| M34D64-RMN6T | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64 Kbit Serial I2C Bus EEPROM With Hardware Write Control on Top Quarter of Memory |
| M34D64RMNT1 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64/32 Kbit Serial IC Bus EEPROM With Hardware Write Control on Top Quarter of Memory |
| M34D64RMNT5 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:64/32 Kbit Serial IC Bus EEPROM With Hardware Write Control on Top Quarter of Memory |
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