參數(shù)資料
型號: W39L512Q-90B
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 64K X 8 FLASH 3.3V PROM, 90 ns, PDSO32
封裝: 8 X 14 MM, STSOP-32
文件頁數(shù): 1/28頁
文件大?。?/td> 161K
代理商: W39L512Q-90B
W39L512
64K
× 8 CMOS FLASH MEMORY
Publication Release Date: September 27, 2006
- 1 -
Revision A4
Table of Contents-
1.
GENERAL DESCRIPTION ......................................................................................................... 3
2.
FEATURES ................................................................................................................................. 3
3.
PIN CONFIGURATIONS ............................................................................................................ 4
4.
BLOCK DIAGRAM ...................................................................................................................... 5
5.
PIN DESCRIPTION..................................................................................................................... 5
6.
FUNCTIONAL DESCRIPTION ................................................................................................... 6
6.1
Device Bus Operation..................................................................................................... 6
6.1.1
Read Mode ...................................................................................................................6
6.1.2
Write Mode ...................................................................................................................6
6.1.3
Standby Mode ..............................................................................................................6
6.1.4
Output Disable Mode ....................................................................................................6
6.1.5
Auto-select Mode..........................................................................................................6
6.2
Data Protection ............................................................................................................... 7
6.2.1
Boot Block Operation....................................................................................................7
6.2.2
Low VDD Inhibit ............................................................................................................7
6.2.3
Write Pulse "Glitch" Protection .....................................................................................7
6.2.4
Logical Inhibit................................................................................................................8
6.2.5
Power-up Write Inhibit ..................................................................................................8
6.3
Command Definitions ..................................................................................................... 8
6.3.1
Read Command ...........................................................................................................8
6.3.2
Auto-select Command ..................................................................................................8
6.3.3
Byte Program Command ..............................................................................................8
6.3.4
Chip Erase Command ..................................................................................................9
6.3.5
Page Erase Command .................................................................................................9
6.4
Write Operation Status ................................................................................................. 10
6.4.1
DQ7: Data Polling.......................................................................................................10
6.4.2
DQ6: Toggle Bit ..........................................................................................................10
7.
TABLE OF OPERATING MODES ............................................................................................ 11
7.1
Device Bus Operations ................................................................................................. 11
7.2
Auto-select Codes (High Voltage Method) ................................................................... 11
7.3
Software Product Identification and Boot Block Lockout Detection Flow Chart........... 17
8.
DC CHARACTERISTICS .......................................................................................................... 18
8.1
Pin Capacitance............................................................................................................ 18
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