參數(shù)資料
型號: W29S201T-45
廠商: WINBOND ELECTRONICS CORP
元件分類: PROM
英文描述: 128K X 16 FLASH 5V PROM, 15 ns, PDSO48
封裝: 12 X 20 MM, TSOP1-48
文件頁數(shù): 14/31頁
文件大小: 253K
代理商: W29S201T-45
Preliminary W29S201
Publication Release Date: April 1999
- 21 -
Revision A1
TIMING WAVEFORMS
Synchronous Burst Read Cycle Timing 1 (3-1-1-1 linear mode)
(Starting Address is Even and Ending Address is Odd)
TCYC
CLK
TADVS
TADVH
TKAH
2n
2k
TCES
TKQH
High-Z
ADV
MODE
A[16:0]
CE
OE
DQ[15:0]
DON'T CARE
UNDEFINED
TAKS
2n+2
2n+1
2n+3
2k
2k+1
TOLZ
TCLZ
TOH
TKQV
TMODS
2n
Load Burst Address
Increment
Address Counter
TKQV
TMODH
2k+2
2k+3
TADVH
TADVS
(Starting Address is Even 2n)
TKQV
2n
2n+1
2n+2
2n+3
2k
2k+1
2k+2
2k+3
Load Burst Address
(Starting Address is Even 2k)
Ending Burst Addr.
is Odd (2n+3)
DQ's Valid 2 CLK periods
after loading (ADV=Low)
DQ's Valid 2 CLK periods
after loading (ADV=Low)
Next DQ's Valid 2 CLK periods
after Increment (ADV=Hi)
Note: The above waveform is applicable to synchronous read mode with starting random address is always Even and
ending address is always Odd address only. The ADV can be 1 CLK period pulse minimum, and the total wait states can be
3 CLK periods minimum. Initial output data DQ’s become valid 2 CLK periods after the valid address loading started
( ADV =Low) & next sequential output data DQ’s become valid 2 CLK periods after address increment started ( ADV =Hi).
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