SRI4K-A3T/1GE STMicroelectronics, SRI4K-A3T/1GE Datasheet - Page 12

• Manufacturer Part Number: SRI4K-A3T/1GE
• Manufacturer: STMicroelectronics

Specifications of SRI4K-A3T/1GE

• Operating Temperature (max): 85C
• Operating Temperature Classification: Commercial
• Lead Free Status / Rohs Status: Compliant

SRI4K
EEPROM Area
The 121 blocks between addresses 7 and 127 are
EEPROM blocks of 32 bits each (484 Bytes in to-
tal). (See
blocks can be accessed using the READ_BLOCK
and
WRITE_BLOCK command for the EEPROM area
Figure 19. EEPROM (Addresses 7 to 127)
12/41
WRITE_BLOCK
Figure 19.
Block
Address
127
10
11
12
13
14
15
16
7
8
9
...
for a map of the area.) These
MSb
b31
commands.
b24 b23
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
User Area
The
32-bit Block
b16 b15
always includes an Auto-Erase cycle prior to the
Write cycle.
Blocks 7 to 15 can be Write-protected. Write ac-
cess is controlled by the 8 bits of the
OTP_Lock_Reg located at block address 255 (see
“OTP_Lock_Reg” for details). Once protected,
these blocks (7 to 15) cannot be unprotected.
b8 b7
LSb
b0
Description
EEPROM
Lockable
EEPROM
Ai07661B