參數(shù)資料
型號(hào): AM49BDS640AH
廠商: Spansion Inc.
英文描述: Stacked Multichip Package (MCP), Flash Memory and pSRAM CMOS 1.8 Volt-only Simultaneous Read/Write
中文描述: 堆疊多芯片封裝(MCP),閃存和1.8伏,只有同時(shí)讀/寫(xiě)移動(dòng)存儲(chǔ)芯片的CMOS
文件頁(yè)數(shù): 74/84頁(yè)
文件大?。?/td> 763K
代理商: AM49BDS640AH
72
Am49BDS640AH
December 5, 2003
A D V A N C E I N F O R M A T I O N
AC CHARACTERISTICS
Notes:
1. RDY active with data (A18 = 0 in the Configuration Register).
2. RDY active one clock cycle before data (A18 = 1 in the Configuration Register).
3. Cxx indicates the clock that triggers Dxx on the outputs; for example, C60 triggers D60. Figure shows the device crossing a
bank in the process of performing an erase or program.
Figure 44.
Latency with Boundary Crossing
into Program/Erase Bank
CLK
Address (hex)
C60
C61
C62
C63
C63
C63
C64
D60
D61
D62
D63
Read Status
(stays high)
AVD#
RDY(1)
Data
OE#,
CE#
(stays low)
Address boundary occurs every 64 words, beginning at address
00003Fh: (00007Fh, 0000BFh, etc.) Address 000000h is also a boundary crossing.
3C
3D
3E
3F
3F
3F
40
latency
RDY(2)
latency
t
RACC
t
RACC
t
RACC
t
RACC
Invalid
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