Micron M25P40 Serial Flash Embedded Memory
Features
List of Figures
Figure 1: Logic Diagram ................................................................................................................................... 6
Figure 2: Pin Connections: SO8, MLP8 ............................................................................................................. 7
Figure 3: SPI Modes Supported ........................................................................................................................ 9
Figure 4: Bus Master and Memory Devices on the SPI Bus ............................................................................... 10
Figure 5: Hold Condition Activation ............................................................................................................... 13
Figure 6: Block Diagram ................................................................................................................................ 14
Figure 7: WRITE ENABLE Command Sequence .............................................................................................. 18
Figure 8: WRITE DISABLE Command Sequence ............................................................................................. 19
Figure 9: READ IDENTIFICATION Command Sequence ................................................................................. 21
Figure 10: READ STATUS REGISTER Command Sequence .............................................................................. 22
Figure 11: Status Register Format ................................................................................................................... 22
Figure 12: WRITE STATUS REGISTER Command Sequence ............................................................................. 24
Figure 13: READ DATA BYTES Command Sequence ........................................................................................ 26
Figure 14: READ DATA BYTES at HIGHER SPEED Command Sequence ........................................................... 27
Figure 15: PAGE PROGRAM Command Sequence ........................................................................................... 28
Figure 16: SECTOR ERASE Command Sequence ............................................................................................. 29
Figure 17: BULK ERASE Command Sequence ................................................................................................. 30
Figure 18: DEEP POWER-DOWN Command Sequence ................................................................................... 31
Figure 19: RELEASE from DEEP POWER-DOWN Command Sequence ............................................................. 32
Figure 20: READ ELECTRONIC SIGNATURE Command Sequence .................................................................. 33
Figure 21: Power-Up Timing .......................................................................................................................... 35
Figure 22: AC Measurement I/O Waveform ..................................................................................................... 40
Figure 23: Serial Input Timing ........................................................................................................................ 46
Figure 24: Write Protect Setup and Hold during WRSR when SRWD=1 Timing ................................................. 46
Figure 25: Hold Timing .................................................................................................................................. 47
Figure 26: Output Timing .............................................................................................................................. 47
Figure 27: SO8N 150 mils Body Width ............................................................................................................ 48
Figure 28: SO8W 208 mils Body Width ............................................................................................................ 49
Figure 29: DFN8 6mm x 5mm ........................................................................................................................ 50
Figure 30: VFDFPN8 (MLP8) 6mm x 5mm ...................................................................................................... 51
Figure 31: UFDFPN8 (MLP8) 4mm x 3mm ...................................................................................................... 52
Figure 32: UFDFPN8 (MLP8) 2mm x 3mm ...................................................................................................... 53
PDF: 09005aef8456654f
m25p40.pdf - Rev. Y 8/12 EN
Micron Technology, Inc. reserves the right to change products or specifications without notice.
4
© 2011 Micron Technology, Inc. All rights reserved.
MICRON [ MICRON TECHNOLOGY ]
