参数资料
型号: W19B320SBB9B
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 2M X 16 FLASH 3V PROM, 90 ns, PBGA48
封装: TFBGA-48
文件页数: 41/52页
文件大小: 1869K
代理商: W19B320SBB9B
W19B(L)320ST/B
- 46 -
9.9 Toggle Bit Waveform (During Embedded Algorithms)
Addresses
DQ6/DQ2
Valid Data
Valid
Status
Valid
Status
Valid
Status
(stop toggling)
TOE
TOEH
TCEPH
TOEPH
TDH
TASO
TAHT
TAS
TAHT
RY/#BY
#WE
#OE
#CE
(second read)
(first read)
Note:
VA = Valid address;not requires for DQ6. Illustration shows first two status cycle after command sequence, last status
read cycle, and array data read cycle.
9.10 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.
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