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M28W640FCT Datasheet(HTML) 6 Page - STMicroelectronics

Part No. M28W640FCT
Description  64 Mbit (4Mbx16, Boot Block) 3V Supply Flash memory
Download  77 Pages
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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M28W640FCT Datasheet(HTML) 6 Page - STMicroelectronics

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M28W640FCT, M28W640FCB
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List of figures
Figure 1.
Logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Figure 2.
TSOP connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 3.
TFBGA connections (top view through package) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Figure 4.
Block addresses . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 5.
Protection Register memory map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Figure 6.
AC measurement I/O waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Figure 7.
AC measurement load circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Figure 8.
Read AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
Figure 9.
Write AC waveforms, Write enable controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Figure 10.
Write AC waveforms, Chip enable controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Figure 11.
Power-Up and Reset AC waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Figure 12.
TSOP48 - 48 lead Plastic Thin Small Outline, 12 x 20mm, package outline . . . . . . . . . . . 44
Figure 13.
TFBGA48 6.39x10.5mm - 8x6 ball array, 0.75mm pitch, bottom view package outline . . . 45
Figure 14.
TFBGA48 daisy chain - package connections (top view through package) . . . . . . . . . . . . 46
Figure 15.
TFBGA48 daisy chain - PCB connections proposal (top view through package) . . . . . . . . 47
Figure 16.
Program flowchart and pseudo code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Figure 17.
Double Word Program flowchart and pseudo code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Figure 18.
Quadruple Word Program flowchart and pseudo code. . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Figure 19.
Program Suspend & Resume flowchart and pseudo code . . . . . . . . . . . . . . . . . . . . . . . . . 67
Figure 20.
Erase flowchart and pseudo code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Figure 21.
Erase Suspend & Resume flowchart and pseudo code . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Figure 22.
Locking Operations flowchart and pseudo code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Figure 23.
Protection Register Program flowchart and pseudo code . . . . . . . . . . . . . . . . . . . . . . . . . 71


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