參數(shù)資料
型號(hào): W19B320ATT7L
廠商: WINBOND ELECTRONICS CORP
元件分類(lèi): PROM
英文描述: 2M X 16 FLASH 3V PROM, 70 ns, PDSO48
封裝: 12 X 20 MM, TSOP-48
文件頁(yè)數(shù): 42/53頁(yè)
文件大?。?/td> 479K
代理商: W19B320ATT7L
W19B320AT/B
Publication Release Date: December 27, 2005
- 47 -
Revision A4
9.11 DQ 2 vs. DQ6 Waveform
#WE
Erase Suspend
DQ2
DQ6
Enter
Embedded
Erasing
Read
Erase
Suspend
Erase
Enter Erase
Suspend Program
Erase
Suspend
Program
Erase Suspend
Read
Erase
Resume
Complete
Note:
DQ2 toggles only when read at an address within an erase-suspended sector. The sysytem may use #OE or #CE to
toggle DQ2 and DQ6.
9.12 Temporary Sector Unprotect Timing Diagram
T RSP
TVIDR
V IL
VSS
IH
V
or
, ,
T RRB
TVIDR
V IL
VSS
IH
V
or
, ,
VID
Program or Erase Command Sequence
#RESET
#CE
#WE
RY/#BY
9.13 Sector/Sector Block Protect and Unprotect Timing Diagram
DATA
Valid*
A1,A0
SA,A6,
#RESET
*For sector protect,A6=0,A1=1,A0=0.For sector unprotect ,A6=1,A1=1,A0=0
Sector/Sector Block Protect:150
μs,
Sector/Sector Block Unprotect:15ms
1 μs
Sector/sector Block Protect or Unprotect
V ID
VIH
60h
Valid*
40h
Verify
Status
#CE
#WE
#OE
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