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M95M02-DR Fiches technique(PDF) 6 Page - STMicroelectronics

No de pièce M95M02-DR
Description  2-Mbit serial SPI bus EEPROM
PDF  45 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M95M02-DR Fiches technique(HTML) 6 Page - STMicroelectronics

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Description
M95M02-DR
6/45
DocID18203 Rev 10
1
Description
The M95M02 devices are Electrically Erasable PROgrammable Memories (EEPROMs)
organized as 262144 x 8 bits, accessed through the SPI bus.
The M95M02 can operate with a supply range from 1.8 V to 5.5 V. These devices are
guaranteed over the -40 °C/+85 °C temperature range.
The M95M02-DR offers an additional page, named the Identification Page (256 bytes). The
Identification Page can be used to store sensitive application parameters which can be
(later) permanently locked in Read-only mode.
Figure 1. Logic diagram
The SPI bus signals are C, D and Q, as shown in Figure 1 and Table 1. The device is
selected when Chip Select (S) is driven low. Communications with the device can be
interrupted when the HOLD is driven low.
Table 1. Signal names
Signal name
Function
Direction
C
Serial Clock
Input
D
Serial Data Input
Input
Q
Serial Data Output
Output
S
Chip Select
Input
W
Write Protect
Input
HOLD
Hold
Input
VCC
Supply voltage
-
VSS
Ground
-



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