M95256-DFMN6TP STMicroelectronics, M95256-DFMN6TP Datasheet - Page 6
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M95256-DFMN6TP
Manufacturer Part Number
M95256-DFMN6TP
Description
EEPROM 256-Kbit serial SPI bus EEPROM
Manufacturer
STMicroelectronics
Datasheet
1.M95256-DFDW6TP.pdf
(53 pages)
Specifications of M95256-DFMN6TP
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Description
The M95256 devices are Electrically Erasable PROgrammable Memories (EEPROMs)
organized as 32768 x 8 bits, accessed through the SPI bus.
The M95256-W can operate with a supply voltage from 2.5 V to 5.5 V, the M95256-R and
M95256-DR can operate with a supply voltage from 1.8 V to 5.5 V, and the M95256-DF can
operate with a supply voltage from 1.7 V to 5.5 V, over an ambient temperature range of
-40 °C / +85 °C.
The M95256-Dx offers an additional page, named the Identification Page (64 bytes). The
Identification Page can be used to store sensitive application parameters which can be
(later) permanently locked in Read-only mode.
Figure 1.
The SPI bus signals are C, D and Q, as shown in
selected when Chip Select (S) is driven low. Communications with the device can be
interrupted when the HOLD is driven low.
Table 1.
C
D
Q
S
W
HOLD
V
V
CC
SS
Signal name
Logic diagram
Signal names
Serial Clock
Serial Data Input
Serial Data Output
Chip Select
Write Protect
Hold
Supply voltage
Ground
HOLD
Doc ID 12276 Rev 19
W
D
C
S
V CC
V SS
M95xxx
Function
M95256-W M95256-R M95256-DR M95256-DF
Figure 1
and
Q
AI01789C
Table
Input
Input
Output
Input
Input
Input
1. The device is
Direction
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