参数资料
型号: W29S201T-45
厂商: WINBOND ELECTRONICS CORP
元件分类: PROM
英文描述: 128K X 16 FLASH 5V PROM, 15 ns, PDSO48
封装: 12 X 20 MM, TSOP1-48
文件页数: 16/31页
文件大小: 253K
代理商: W29S201T-45
Preliminary W29S201
Publication Release Date: April 1999
- 23 -
Revision A1
Synchronous Burst Read Cycle Timing 3 (5-1-1-1 linear mode)
(Starting Address & Ending Address can be Any Random Address)
TCYC
CLK
TADVS
TADVH
TKAH
n
k
TCES
High-Z
ADV
MODE
A[16:0]
CE
OE
DQ[15:0]
DON'T CARE
UNDEFINED
TAKS
n+1
n
n+2
k
k+1
TOLZ
TCLZ
TKQV
TMODS
TKQH
Load Burst Address (n)
Increment
Address Counter
TKQV
TADVH
TADVS
TKQV
n
n+1
n+3
k
Load Burst Address (k)
DQ's Valid 3 CLK periods
n
n+2
after valid loading (ADV=Low)
DQ's Valid 3 CLK periods
after valid loading (ADV=Low)
k
k+1
k+2
k+3
n+3
Next DQ's Valid 2 CLK periods
after increment (ADV=Hi)
k
Note: The above waveform is applicable to synchronous burst read mode with any starting random address and any ending
burst (can be either even or odd). The ADV must be minimum 3 CLK period pulse, and the total wait states hence can be 5
CLK periods minimum. Initial output data DQ’s become valid 3 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).
Clock Input Timing Diagram
CLK
TCYC
T KL
TKH
10%
90%
0V
3V
TKLH
TKHL
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