参数资料
型号: W49F002U-90BN
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 256K X 8 FLASH 5V PROM, 90 ns, PDIP32
封装: PLASTIC, DIP-32
文件页数: 14/27页
文件大小: 233K
代理商: W49F002U-90BN
W49F002U
Publication Release Date: February 21, 2002
- 21 -
Revision A6
Timing Waveforms, continued
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
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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