參數(shù)資料
型號(hào): CL-PS7110-VI-A
廠商: CIRRUS LOGIC INC
元件分類(lèi): 微控制器/微處理器
英文描述: Low-Power System-on-a-Chip
中文描述: MROM, RISC MICROCONTROLLER, PQFP208
封裝: VQFP-208
文件頁(yè)數(shù): 66/82頁(yè)
文件大?。?/td> 1101K
代理商: CL-PS7110-VI-A
DATA BOOK v1.5
May 1997
66
ELECTRICAL SPECIFICATIONS
CL-PS7110
Low-Power System-on-a-Chip
Figure 4-4. DRAM Write Cycles
NOTES:
1)
t
RC
(Write cycle time) = 160 ns minimum at MCLK = 18.432 MHz
t
RAC
(Write access time from RAS) = 80 ns minimum at MCLK = 18.432 MHz
t
RP
(RAS precharge time) = 80 ns minimum at MCLK = 18.432 MHz
2)
3)
DATA OUT 2
DATA OUT 1
t
13
CAS[3:0]
D[31:0]
NMOE
WORD
DRA[12:0]
RAS[3:0]
WORD write followed by sequential word write to DRAM (MCLK shown for reference only)
t
14
t
RAS
t
11
MCLK
ROW
COL
ROW
COL 1
COL 2
COL n
t
9
t
10
t
RC
t
RP
t
12
t
CAS
t
CP
t
PC
WRITE
NMWE
DATA OUT
DATA OUT n
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