參數(shù)資料
型號(hào): MX29F4000PC-90
廠商: MACRONIX INTERNATIONAL CO LTD
元件分類: DRAM
英文描述: 4M-BIT [512KX8] CMOS EQUAL SECTOR FLASH MEMORY
中文描述: 512K X 8 FLASH 5V PROM, 90 ns, PDIP32
封裝: 0.600 INCH, PLASTIC, DIP-32
文件頁(yè)數(shù): 21/36頁(yè)
文件大?。?/td> 247K
代理商: MX29F4000PC-90
21
P/N:PM0629
REV. 1.0, DEC. 20, 1999
MX29F4000
Sector data indicated by A16 to A18 are erased. External
erase verify is not required because data are erased
automatically by internal control circuit. Erasure com-
pletion can be verified by DATA polling and toggle bit
checking after automatic erase starts. Device outputs 0
during erasure and 1 after erasure on Q7.(Q6 is for
toggle bit; see toggle bit, DATA polling, timing waveform)
AUTOMATIC SECTOR ERASE TIMING WAVEFORM
AUTOMATIC SECTOR ERASE TIMING WAVEFORM
tAH
Sector
Address0
555H
2AAH
2AAH
555H
555H
Sector
Address1
Sector
Addressn
Vcc 5V
CE
OE
Q0,Q1,
Q4(Note 1)
WE
A16-A18
Q7
A0~A10
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command
In
Command #30H
Command #30H
Command #30H
Command #55H
Command #AAH
Command #80H
Command #55H
Command #AAH
(Q0~Q7)
Command
In
Command
In
tDH
tDS
tCEP
tCWC
tAETB
tBAL
DATA polling
tCEPH1
tAS
Notes:
(1). Q6:Toggle bit, Q5:Timing-limit bit, Q3: Time-out bit, Q2: Toggle bit
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