参数资料
型号: W49F002UP90BN
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 256K X 8 FLASH 5V PROM, 90 ns, PQCC32
封装: PLASTIC, LCC-32
文件页数: 16/30页
文件大小: 0K
代理商: W49F002UP90BN
W49F002U
Publication Release Date: April 19, 2005
- 23 -
Revision A7
Timing Waveforms, continued
11.7 Boot Block Lockout Enable Timing Diagram
SB2
SB1
SB0
Address A17-0
DQ7-0
#CE
#OE
#WE
SB3
SB4
SB5
Six byte code for Boot Block
Lockout Feature Enable
TEC
TWP
TWPH
5555
2AAA
5555
2AAA
5555
AA
55
80
AA
55
40
11.8 Chip Erase Timing Diagram
SB2
SB1
SB0
Address A17-0
DQ7-0
#CE
#OE
#WE
SB3
SB4
SB5
Internal Erase starts
Six-byte code for 5V-only software
chip erase
TWP
TWPH
TEC
5555
2AAA
5555
2AAA
5555
AA
55
80
AA
55
10
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