W19B320ABT7H Winbond Electronics, W19B320ABT7H Datasheet - Page 2

• Manufacturer Part Number: W19B320ABT7H
• Description: IC FLASH 32MBIT 70NS 48TSOP
• Manufacturer: Winbond Electronics

Specifications of W19B320ABT7H

• Format - Memory: FLASH
• Memory Type: FLASH
• Memory Size: 32M (4Mx8, 2Mx16)
• Speed: 70ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -20°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

7.
8.
9.
TABLE OF OPERATION MODES ............................................................................................ 19
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
ELECTRICAL CHARACTERISTICS......................................................................................... 36
8.1
8.2
8.3
8.4
8.5
8.6
8.7
8.8
8.9
8.10
TIMING WAVEFORMS ............................................................................................................. 42
9.1
6.3.4
6.3.5
6.3.6
6.3.7
Device Bus Operations ................................................................................................. 19
AUTOSELECT Codes (High Voltage Method) ............................................................. 19
Sector Address Table (Top Boot Block) ....................................................................... 20
Sector Address Table (Bottom Boot Block) .................................................................. 22
CFI Query Identification String...................................................................................... 26
7.5.1
7.5.2
7.5.3
7.5.4
7.5.5
Temporary Sector Unprotect Algorithm ........................................................................ 31
In-System Sector Protect/Unprotect Algorithms........................................................... 32
Security Sector Protect Verify....................................................................................... 33
Program Algorithm........................................................................................................ 33
Erase Algorithm ............................................................................................................ 34
Data Polling Algorithm .................................................................................................. 34
Toggle Bit Algorithm ..................................................................................................... 35
Absolute Maximum Ratings .......................................................................................... 36
Operating Ranges......................................................................................................... 36
DC Characteristics........................................................................................................ 37
8.3.1
AC Characteristics ........................................................................................................ 38
8.4.1
8.4.2
Read-Only Operations .................................................................................................. 39
Hardware Reset (#RESET) .......................................................................................... 39
Word/Byte Configuration (#BYTE)................................................................................ 39
Erase and Program Operation...................................................................................... 40
Temporary Sector Unprotect ........................................................................................ 40
Alternate #CE Controlled Erase and Program Operations........................................... 41
AC Read Waveform...................................................................................................... 42
DQ2: Toggle Bit II...........................................................................................................17
Reading Toggle Bits DQ6/DQ2 ......................................................................................17
DQ5: Exceeded Timing Limits ........................................................................................18
DQ3: Sector Erase Timer ...............................................................................................18
System Interface String ..................................................................................................26
Device Geometry Definition ............................................................................................27
Primary Vendor-Specific Extended Query ......................................................................28
Command Definitions .....................................................................................................29
Write Operation Status ...................................................................................................30
CMOS Compatible..........................................................................................................37
Test Condition ................................................................................................................38
AC Test Load and Waveforms .......................................................................................38
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W19B320AT/B