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Part Number: M34C00

 

 

 

 

Description: The M34C00 is a 384-bit serial EEPROM. The bottom third of the memory area (from location 00h to 0Fh) ...


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M34C00 General Description


The M34C00 is a 384-bit serial EEPROM. The bottom third of the memory area (from location 00h to 0Fh) can be Write-protected using a specially designed software Write-protection mechanism. By sending the device a specific sequence, the first 128 bits of the memory become permanently Write-protected. Care must be taken when using this sequence as its effect cannot be reversed.

The top third of the memory area (from location 20h to 2Fh) is already configured to give the functional equivalence of a non-erasable memory. That is, it is initialized to all 1s (FFh), and the user is able to reset any number of those 1s to 0; but there is no mechanism for the user to set a 0 back to a 1.

The M34C00 is a 384-bit electrically erasable programmable memory (EEPROM), organized as 48 x 8 bits.

M34C00 Maximum Ratings



Symbol
Parameter
Value
Unit
TA Ambient Operating Temperature -40 to 85
TSTG Storage Temperature -65 to 150
TLEAD Lead Temperature during Soldering 1 SOT23: t.b.d.
t.b.d.
235
235
SO: 20 seconds (max) 2
TSSOP: 20 seconds (max) 2
VIO Input or Output range
-0.6 to 6.5
V
VCC Supply Voltage
-0.3 to 6.5
V
VESD Electrostatic Discharge Voltage (Human Body model) 3
4000
V

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 conditions for extended periods may affect device reliability. Refer also to the ST SURE Program and other relevant quality documents.
2. IPC/JEDEC J-STD-020A
3. JEDEC Std JESD22-A114A (C1=100 pF, R1=1500 , R2=500 )


M34C00 Features

` Two-Wire I2C Serial Interface Supports 400 kHz Protocol
 ` 2.5 V to 5.5 V Single Supply Voltage
 ` 384-bit EEPROM divided in three areas:
     128 bits of non-erasable memory
     128 bits of standard EEPROM
     128 bits that can be permanently Writeprotected (to behave as ROM)
 ` Self-Timed Program Cycle
 ` Enhanced ESD/Latch-Up Protection
 ` More than 1 Million Erase/Write Cycles
 ` More than 40 Year Data Retention 

M34C00 Connection Diagram

M34C00  Connection Diagram

M34C00 datasheet

M34C00
PDF/DataSheet Download

  • Datasheet: M34C00
  • File Size: 117593 KB
  • Manufacturer: STMICROELECTRONICS [STMicroelectronics]
  • Click here to Download

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