w19b320b Winbond Electronics Corp America, w19b320b Datasheet - Page 2

• Manufacturer Part Number: w19b320b
• Description: W19b320bt/b Datasheet
• Manufacturer: Winbond Electronics Corp America

7.
8.
9.
TABLE OF OPERATION MODES ................................................................................................. 21
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10 Program Algorithm ................................................................................................................ 36
7.11 Erase Algorithm..................................................................................................................... 37
7.12 Data Polling Algorithm........................................................................................................... 37
7.13 Toggle Bit Algorithm.............................................................................................................. 38
ELECTRICAL CHARACTERISTICS.............................................................................................. 39
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10 Erase and Program Operation .............................................................................................. 43
8.11 Temporary Sector Unprotect................................................................................................. 43
8.12 Alternate #CE Controlled Erase and Program Operations ................................................... 44
TIMING WAVEFORMS .................................................................................................................. 45
9.1
6.3.7
Device Bus Operations ......................................................................................................... 21
AUTOSELECT Codes (High Voltage Method) ..................................................................... 22
Sector Address Table (Top Boot Block) ............................................................................... 23
Sector Address Table (Bottom Boot Block) .......................................................................... 25
Top Boot Sector/Sector Block Address for Protection/Unprotection) ................................... 27
CFI Query Identification String.............................................................................................. 29
7.6.1
7.6.2
7.6.3
7.6.4
7.6.5
Temporary Sector Unprotect Algorithm ................................................................................ 33
In-System Sector Protect/Unprotect Algorithms ................................................................... 35
Security Sector Protect Verify ............................................................................................... 36
Absolute Maximum Ratings .................................................................................................. 39
Operating Ranges ................................................................................................................. 39
DC Characteristics ................................................................................................................ 40
CMOS Compatible ................................................................................................................ 40
AC Characteristics ................................................................................................................ 41
Test Condition ....................................................................................................................... 41
8.6.1
Read-Only Operations .......................................................................................................... 42
Hardware Reset (#RESET)................................................................................................... 42
Word/Byte Configuration (#BYTE) ........................................................................................ 42
AC Read Waveform .............................................................................................................. 45
DQ3: Sector Erase Timer .......................................................................................................20
System Interface String ..........................................................................................................29
Device Geometry Definition ....................................................................................................30
Primary Vendor-Specific Extended Query ..............................................................................31
Command Definitions .............................................................................................................32
Write Operation Status ...........................................................................................................33
AC Test Load and Waveforms ...............................................................................................41
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W19B320BT/B DATASHEET
Publication Release Date:Dec.25, 2007
Revisionv A3