參數(shù)資料
型號: CL-PS7111
廠商: Cirrus Logic, Inc.
英文描述: Low-Power System-on-a-Chip
中文描述: 低功耗系統(tǒng)級晶片
文件頁數(shù): 77/105頁
文件大?。?/td> 1207K
代理商: CL-PS7111
PRELIMINARY DATA BOOK v2.0
September 1997
76
ELECTRICAL SPECIFICATIONS
CL-PS7111
Low-Power System-on-a-Chip
t
42
CLKN rising to (internal) RUN active, clock must be on stable
0.125
s
t
NCSRD
Negative strobe (NCS0–5) zero wait state read access time
120
70
ns
t
NCSWR
Negative strobe (NCS0–5) zero wait state write access time
120
70
ns
t
EXBST
Sequential expansion burst mode read access time
55
35
ns
t
RC
DRAM cycle time
230
150
ns
t
RAC
Access time from RAS
110
70
ns
t
RP
RAS precharge time
110
70
ns
t
CAS
CAS pulse width
30
20
ns
t
CP
CAS precharge in Page mode
20
12
ns
t
PC
Page mode cycle time
70
45
ns
t
CSR
CAS set-up time for auto refresh
20
15
ns
t
RAS
RAS pulse width
110
80 *
ns
Symbol
Parameter
13 MHz
18.432 MHz
Units
MIN
MAX
MIN
MAX
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