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M95M02-DR Dataheets PDF



Part Number M95M02-DR
Manufacturers STMicroelectronics
Logo STMicroelectronics
Description 2-Mbit serial SPI bus EEPROM
Datasheet M95M02-DR DatasheetM95M02-DR Datasheet (PDF)

SO8N (150 mil width) WLCSP8 (3.556 × 2.011 mm) Product status link M95M02-DR M95M02-DF M95M02-DR M95M02-DF Datasheet 2-Mbit serial SPI bus EEPROM Features Compatible with the serial peripheral interface (SPI) bus Memory array • 2 Mbits (256 Kbytes) of EEPROM • Page size: 256 bytes • Write protection by block: ¼, ½, or whole memory • Additional write lockable page (identification page) Write • Byte write within 10 ms • Page write within 10 ms Clock frequency: 5 MHz Single supply voltage • 1.7 to.

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SO8N (150 mil width) WLCSP8 (3.556 × 2.011 mm) Product status link M95M02-DR M95M02-DF M95M02-DR M95M02-DF Datasheet 2-Mbit serial SPI bus EEPROM Features Compatible with the serial peripheral interface (SPI) bus Memory array • 2 Mbits (256 Kbytes) of EEPROM • Page size: 256 bytes • Write protection by block: ¼, ½, or whole memory • Additional write lockable page (identification page) Write • Byte write within 10 ms • Page write within 10 ms Clock frequency: 5 MHz Single supply voltage • 1.7 to 5.5 V over -20 °C to +85 °C • 1.8 to 5.5 V over -40 °C to +85 °C Operating temperature range • From -40 °C up to +85 °C Enhanced ESD protection More than 4 million write cycles More than 200-year data retention Packages • ECOPACK2 (RoHS compliant and halogen-free ) packages: – SO8N – WLCSP8 DS7024 - Rev 13 - October 2022 For further information contact your local STMicroelectronics sales office. www.st.com M95M02-DR M95M02-DF Description 1 Description The M95M02 devices are electrically erasable programmable memory (EEPROM) organized as 262144 x 8 bits, accessed through the SPI bus. Over an ambient temperature range of -40 °C / +85 °C the M95M02-DR can operate with a supply voltage from 1.8 to 5.5 V. Over an ambient temperature range of -20 °C / +85 °C the M95M02-DF can operate with a supply voltage from 1.7 to 5.5 V. The M95M02 devices offer an additional page, named the Identification page (256 bytes). The Identification page can be used to store sensitive application parameters that can be (later) permanently locked in read-only mode. Figure 1. Logic diagram VCC D C S W HOLD M95xxx Q VSS MS45413V1 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. C D Q S W HOLD VCC VSS Signal name Table 1. Signal names Serial clock Serial data input Serial data output Chip select Write protect Hold Supply voltage Function Ground Input Input Output Input Input Input - Direction DS7024 - Rev 13 page 2/45 M95M02-DR M95M02-DF Description Figure 2. 8-pin package connections (top view) M95xxx S1 Q2 W3 VSS 4 8 VCC 7 HOLD 6C 5D MS51579V1 1. See Section 10 Package information for package dimensions, and how to identify pin 1. 43 Figure 3. WLCSP connections 21 12 A A B B 34 C C D D Bump side view Top view (bumps underneath) MS38243V1 1. See Section 10 Package information for package dimensions, and how to identify pin 1. Position 1 2 3 4 Table 2. Signals vs. bump position A B C D - - C - VCC HOLD - D S - - VSS - Q W - DS7024 - Rev 13 page 3/45 M95M02-DR M95M02-DF Block diagram 2 Block diagram The block diagram is organized as shown in the following figure. Figure 4. Block diagram S Q W I/Os D C HOLD Data register and ECC Status register Control logic Sense amplifiers Page latches Array Identification page HV generator and sequencer Y decode.


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