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| 型號： | NSAM266SA |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 4 Mbit Uniform Sector, Serial Flash Memory |
| 中文描述： | 8-BIT, MIXED DSP |
| 文件頁數(shù)： | 15/52頁 |
| 文件大?。?/td> | 571K |
| 代理商： | NSAM266SA |
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1.0 Hardware
(Continued)
1.4.4 Synchronous Timing Tables
In this section, R.E. means Rising Edge and F.E. means Falling Edge.
OUTPUT SIGNALS
Symbol
Figure
Description
Reference Conditions
Min (ns)
Max (ns)
t
Ah
1-17
Address Hold
After R.E. CTTL
0.0
t
Av
1-17
Address Valid
After R.E. CTTL, T1
12.0
t
CCLKa
1-15
CCLK Active
After R.E. CTTL
12.0
t
CCLKh
1-15
CCLK Hold
After R.E. CTTL
0.0
t
CCLKia
1-15
CCLK Inactive
After R.E. CTTL
12.0
t
CDOh
1-15
CDOUT Hold
After R.E. CTTL
0.0
t
CDOv
1-15
CDOUT Valid
After R.E. CTTL
12.0
t
CTp
1-22
CTTL Clock Period (Note A)
R.E. CTTL to next R.E. CTTL
48.8
50,000
t
EMCSa
1-17
EMCS Active
After R.E. CTTL, T2W1
12.0
t
EMCSh
1-17
EMCS Hold
After R.E. CTTL
0.0
t
EMCSia
1-17
EMCS Inactive
After R.E. CTTL, T3
12.0
t
FSa
1-15
CFS0 Active
After R.E. CTTL
25.0
t
FSh
1-15
CFS0 Hold
After R.E. CTTL
0.0
t
FSia
1-15
CFS0 Inactive
After R.E. CTTL
25.0
t
MMCLKa
1-20
Master MICROWIRE Clock Active
After R.E. CTTL
12.0
t
MMCLKh
1-20
Master MICROWIRE Clock Hold
After R.E. CTTL
0.0
t
MMCLKia
1-20
Master MICROWIRE Clock Inactive
After R.E. CTTL
12.0
t
MMDOh
1-20
Master MICROWIRE Data Out Hold
After R.E. CTTL
0.0
t
MMDOv
1-20
Master MICROWIRE Data Out Valid
After R.E. CTTL
12.0
t
MWDOf
1-18
MICROWIRE Data Float (Note B)
After R.E. MWCS
70.0
t
MWDOh
1-18
MICROWIRE Data Out Hold (Note B)
After F.E. MWCK
0.0
t
MWDOnf
1-18
MICROWIRE Data No Float (Note B)
After F.E. MWCS
0.0
70.0
t
MWDOv
1-18
MICROWIRE Data Out Valid (Note B)
After F.E. MWCK
70.0
t
MWITOp
1-19
MWDIN to MWDOUT
Propagation Time
70.0
t
MWRDYa
1-18
MWRDY Active
After R.E. of CTTL
0.0
35.0
t
MWRDYia
1-18
MWRDY Inactive
After F.E. MWCLK
0.0
70.0
t
PABCh
1-21
PB and MWRQST
After R.E. CTTL
0.0
t
PABCv
1-21
PB and MWRQST
After R.E. CTTL, T2W1
12.0
Note A:
In normal operation mode t
CTp
must be 48.8 ns; in power-down mode, t
CTp
must be 50,000 ns.
Note B:
Guaranteed by design, but not fully tested.
http://www.national.com
15
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