M29W640FB STMICROELECTRONICS [STMicroelectronics], M29W640FB Datasheet - Page 6

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M29W640FB

Manufacturer Part Number
M29W640FB
Description
64 Mbit (8Mb x8 or 4Mb x16, Page, Boot Block) 3V Supply Flash Memory
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet

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List of figures
Packages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Logic Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
TSOP Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
TFBGA48 Connections (Top view through package) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Data Polling Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Data Toggle Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
AC Measurement I/O Waveform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
AC Measurement Load Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Read Mode AC Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Page Read AC Waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
Write AC Waveforms, Write Enable Controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Write AC Waveforms, Chip Enable Controlled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Reset/Block Temporary Unprotect AC Waveforms. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
Accelerated Program Timing Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
TSOP48 – 48 lead Plastic Thin Small Outline, 12 x 20mm, Package Outline . . . . . . . . . . 44
TFBGA48 6x8mm - 6x8 active ball array, 0.8mm pitch, Package Outline . . . . . . . . . . . . . 45
Programmer Equipment Group Protect Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Programmer Equipment Chip Unprotect Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
In-System Equipment Group Protect Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
In-System Equipment Chip Unprotect Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
M29W640FT, M29W640FB

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