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Winbond
Winbond


W19B160BT

CMOS flash memory



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W19B160BT pdf
W19B160BT/B DATA SHEET
-Table of Contents-
1.
2.
www.DataSheet4U.com3.
4.
5.
6.
GENERAL DESCRIPTION ......................................................................................................... 4
FEATURES ................................................................................................................................. 4
PIN CONFIGURATIONS ............................................................................................................ 6
BLOCK DIAGRAM ...................................................................................................................... 7
PIN DESCRIPTION..................................................................................................................... 8
FUNCTIONAL DESCRIPTION ................................................................................................... 9
6.1 DEVICE BUS OPERATION............................................................................................ 9
6.1.1 Word/Byte Configuration...................................................................................................9
6.1.2 Reading Array Data ..........................................................................................................9
6.1.3 Writing Commands/Command Sequences.......................................................................9
6.1.4 Program and Erase Operation Status...............................................................................9
6.1.5 Standby Mode ..................................................................................................................9
6.1.6 Automatic Sleep Mode ...................................................................................................10
6.1.7 #RESET: Hardware Reset Pin........................................................................................10
6.1.8 Output Disable Mode......................................................................................................10
6.1.9 Auto-select Mode............................................................................................................10
6.1.10 Sector Protection and Un-protection.............................................................................11
6.1.11 Temporary Sector Unprotect ........................................................................................11
6.1.12 Hardware Data Protection ............................................................................................11
6.1.13 Write Pulse “Glitch” Protection......................................................................................11
6.1.14 Logical Inhibit................................................................................................................11
6.1.15 Power-Up Write Inhibit..................................................................................................11
6.2 COMMAND DEFINITIONS ........................................................................................... 12
6.2.1 Reading Array Data ........................................................................................................12
6.2.2 Reset Command.............................................................................................................12
6.2.3 Auto-select Command Sequence ...................................................................................12
6.2.4 Byte/Word Program Command Sequence......................................................................13
6.2.5 Chip Erase Command Sequence ...................................................................................13
6.2.6 Sector Erase Command Sequence ................................................................................13
6.2.7 Erase Suspend /Erase Resume Commands ..................................................................14
6.2.8 Unlock Bypass Command Sequence .............................................................................14
6.3 WRITE OPERATION STATUS..................................................................................... 15
6.3.1 DQ7: #Data Polling.........................................................................................................15
6.3.2 RY/#BY: Ready/#Busy....................................................................................................15
Publication Release Date:Jan.04, 2008
- 1 - Revision A5



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W19B160BT pdf
W19B160BT/B DATA SHEET
7.
www.DataSheet4U.com8.
9.
10.
6.3.3
6.3.4
6.3.5
6.3.6
6.3.7
DQ6: Toggle Bit ..............................................................................................................16
DQ2: Toggle Bit II ...........................................................................................................16
Reading Toggle Bits DQ6/DQ2.......................................................................................16
DQ3: Sector Erase Timer ...............................................................................................17
DQ5 : Exceeded Timing Limits .......................................................................................17
SPECIAL CHARACTERISTIC .................................................................................................. 17
TABLE OF OPERATION MODES ............................................................................................ 18
8.1 Device Bus Operations ................................................................................................. 18
8.2 Sector Address Table (Top Boot Block) ....................................................................... 19
8.3 Sector Address Table (Bottom Boot Block) .................................................................. 20
8.4 CFI Query Identification String...................................................................................... 21
8.5 System Interface String ................................................................................................ 21
8.6 Device Geometry Definition .......................................................................................... 22
8.7 Primary Vendor-Specific Extended Query.................................................................... 23
8.8 Command Definitions ................................................................................................... 24
8.9 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
9.1 Absolute Maximum Ratings .......................................................................................... 31
9.2 Operating Ranges......................................................................................................... 31
9.3 DC CHARACTERISTICS.............................................................................................. 32
9.4 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
TIMING WAVEFORMS ............................................................................................................. 38
-2-



Part Number W19B160BT
Description CMOS flash memory
Maker Winbond - Winbond
Total Page 48 Pages
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