参数资料
型号: W19B320ATT7M
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 2M X 16 FLASH 3V PROM, 70 ns, PDSO48
封装: 12 X 20 MM, LEAD FREE, TSOP-48
文件页数: 35/53页
文件大小: 479K
代理商: W19B320ATT7M
W19B320AT/B
- 40 -
8.8 Erase and Program Operation
70ns
PARAMETER
SYM.
MIN.
TYP.
MAX.
UNIT
Write Cycle Timing (Note 1)
TWC
70
-
ns
Address setup Time
TAS
0
-
ns
Address Setup Timing to
#OE low during toggle bit
polling
TASO
15
-
ns
Address Hold Time
TAH
45
-
ns
Address Hold Time From
#CE or #OE high during
toggle bit polling
TAHT
0
-
ns
Data Setup Time
TDS
35
-
ns
Data Hold Time
TDH
0
-
ns
Output Enable High During toggle bit polling
TOEPH
20
-
ns
Read Recovery Time Before Write (
#OE High to
#WE Low)
TGHWL
0
-
ns
#CE Setup Time
TCS
0
-
ns
#CE HOLD Time
TCH
0
-
ns
Write Pulse Width
TWP
30
-
ns
Write Pulse Width High
TWPH
30
-
ns
Latency Between Read and Write Operation
TSR/W
0
-
ns
Byte
TPB
5
-
μs
Programming Time (Note 2)
Word
TPW
7
-
μs
Byte
Accelerated Programming Time (Noe2)
Word
TACCP
4
-
μs
Sector Erase Time (Note 2)
TSE
-
0.4
-
sec
VDD Setup Time (Note 1)
TVCS
50
-
μs
Write Recovery Time from
RY/#BY
TRB
0
-
ns
Program/Erase Valid to
RY/#BY Delay
TBUSY
90
-
ns
Notes:
1.
Not 100 % tested
2.
See the “Alternate #CE Controlled Erase and Program Operations“ section for more information
8.9 Temporary Sector Unprotect
PARAMETER
SYM.
MIN.
MAX.
UNIT
VID Rise and Fall Time
TVIDR
500
-
ns
VHH Rise and Fall Time
TVHH
250
-
ns
#RESET Setup Time for Temporary Sector Unprotect
TRSP
4
-
μs
#RESET Hold Time from RY/#BY High for Temporary
Sector Unprotect
TRRB
4
-
μs
Note:
Not 100 % tested
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