W19B160BT/B DATA SHEET
6.3.3 DQ6: Toggle Bit..............................................................................................................16
6.3.4 DQ2: Toggle Bit II...........................................................................................................16
6.3.5 Reading Toggle Bits DQ6/DQ2.......................................................................................16
6.3.6 DQ3: Sector Erase Timer ...............................................................................................17
6.3.7 DQ5 : Exceeded Timing Limits .......................................................................................17
7.
8.
SPECIAL CHARACTERISTIC .................................................................................................. 17
TABLE OF OPERATION MODES ............................................................................................ 18
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
Device Bus Operations................................................................................................. 18
Sector Address Table (Top Boot Block) ....................................................................... 19
Sector Address Table (Bottom Boot Block).................................................................. 20
CFI Query Identification String...................................................................................... 21
System Interface String ................................................................................................ 21
Device Geometry Definition.......................................................................................... 22
Primary Vendor-Specific Extended Query.................................................................... 23
Command Definitions ................................................................................................... 24
Write Operation Status ................................................................................................. 25
8.10 Temporary Sector Unprotect Algorithm........................................................................ 26
8.11 In-System Sector Protect/Unprotect Algorithms........................................................... 27
8.12 Program Algorithm........................................................................................................ 28
8.13 Erase Algorithm ............................................................................................................ 28
8.14 Data Polling Algorithm .................................................................................................. 29
8.15 Toggle Bit Algorithm ..................................................................................................... 30
ELECTRICAL CHARACTERISTICS......................................................................................... 31
9.
9.1
9.2
9.3
9.4
Absolute Maximum Ratings.......................................................................................... 31
Operating Ranges......................................................................................................... 31
DC CHARACTERISTICS.............................................................................................. 32
AC CHARACTERISTICS.............................................................................................. 33
9.4.1 Test Condition ................................................................................................................33
9.4.2 AC Test Load and Waveforms........................................................................................33
9.4.3 Read-Only Operations....................................................................................................34
9.4.4 Read-Only Operations....................................................................................................34
9.4.5 Hardware Reset (#RESET) ............................................................................................35
9.4.6 Word/Byte Configuration (#BYTE)..................................................................................35
9.4.7 Erase and Program Operation........................................................................................36
9.4.8 Temporary Sector Unprotect ..........................................................................................36
9.4.9 Alternate #CE Controlled Erase and Program Operation ...............................................37
10.
TIMING WAVEFORMS............................................................................................................. 38
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