English
Language : 

NSAM265SR Datasheet, PDF (39/58 Pages) National Semiconductor (TI) – CompactSPEECH Digital Speech Processors
◁
Appendix A Device Specifications (Continued)
A 4 2 SYNCHRONOUS TIMING TABLES
In this section R E means RIsing Edge and F E means Falling Edge
TABLE A-2 Timing for Output Signals
Symbol Figure
Description
Reference Conditions
tAh
tAv
tCASa
tCASh
tCASia
tCASLw
tCCLKa
tCCLKh
tCCLKia
tCDOh
tCDOv
tCTp
tDCSh
tDf
tDh
tDv
tDWEa
tDWEh
tDWEia
tEMCSa
tEMCSh
tEMCSia
tFSa
tFSh
tFSia
tMWDOf
tMWDOh
tMWDOnf
tMWDOv
tMWITOp
tMWDRYa
tMWDRYia
tPABCh
tPABCv
tRASa
A-10
A-10
A-10
A-10
A-10
A-13
A-14
A-14
A-14
A-14
A-14
A-21
A-17
A-11
A-11
A-11
A-11
A-11
A-11
A-16
A-16
A-16
A-14
A-14
A-14
A-18
A-18
A-18
A-18
A-19
A-18
A-18
A-20
A-20
A-10
Address Hold
Address Valid
CAS Active
CAS Hold
CAS Inactive
DRAM PDM CAS Width
CCLK Active
CCLK Hold
CCLK Inactive
CDOUT Hold
CDOUT Valid
CTTL Clock Period (Note A)
Data Hold after EMCS (Note B)
Data and RA11 Float (D0 7) (Note B)
Data Hold (D0 7)
Data Valid (D0 7)
DWE Active
DWE Hold
DWE Inactive
EMCS Active
EMCS Hold
EMCS Inactive
CFS0 Active
CFSO Hold
CFSO Inactive
MICROWIRE Data Float (Note B)
MICROWIRE Data Out Hold (Note B)
MICROWIRE Data No Float (Note B)
MICROWIRE Data Out Valid (Note B)
MWDIN to MWDOUT
MWDRY Active
MWDRY Inactive
PB and MWRQST
PB and MWRQST
RAS Active
After R E CTTL
After R E CTTL T1 or T2W3
After R E CTTL T2W or T2W1RF
After R E CTTL
After R E CTTL T3 or T3RF
At 0 8V Both Edges
After R E CTTL
After R E CTTL
After R E CTTL
After R E CTTL
After R E CTTL
R E CTTL to next R E CTTL
R E EMCS to R E Data Float
After R E CTTL T3 or T3H
After R E CTTL T3 or T3H
After R E CTTL T2 or T2W1
After R E CTTL T2W2
After R E CTTL
After R E CTTL T3
After R E CTTL T2W1
After R E CTTL
After R E CTTL T3
After R E CTTL
After R E CTTL
After R E CTTL
After R E MWCS
After F E MWCK
After F E MWCS
After F E MWCK
Propagation Time
After R E of CTTL
After F E MWCLK
After R E CTTL
After R E CTTL T2W1
After R E CTTL T2W1 or T2WRF
Min (ns)
00
00
600 0
00
00
48 8
10 0
tCTp 2 b 6
tCTp 2 b 6
00
00
00
00
00
00
00
00
Max (ns)
12 0
12 0
12 0
12 0
12 0
12 0
50 000
tCTp 2 a 12
12 0
12 0
12 0
12 0
12 0
25 0
25 0
70 0
70 0
70 0
70 0
35 0
70 0
12 0
12 0
39
 ▷