IDT49C466A Просмотр технического описания (PDF) - Integrated Device Technology
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IDT49C466A Datasheet PDF : 27 Pages
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IDT49C466/A Flow-thruEDC™
ERROR DETECTION AND CORRECTION UNIT
SET-UP AND HOLD TIMES
Number
52
53
54
55
56
57
58a
58b
59a
59b
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
93
Description
Parameter From Input(1)
To Output
tCMLS
CBI Set-up
before MDILE =
tCMLH
CBI Hold
after MDILE =
tMMLS
MDIN Set-up
before MDILE =
tMMLH
MDIN Hold
after MDILE =
tCMOLS
CBI Set-up (Correct)
before MDOLE =
tCMOLH
CBI Hold (Correct)
after MDOLE =
tMMOLS
MDIN Set-up (Detect)
before MDOLE =
tMMOLS
MDIN Set-up (Correct) before MDOLE =
tMMOLH
MDIN Hold (Detect)
after MDOLE =
tMMOLH
MDIN Hold (Correct)
after MDOLE =
tMMCS
MDIN Set-up
before MCLK =
tMMCH
MDIN Hold
after MCLK =
tSSLS
SDIN Set-up
before SDILE =
tSSLH
SDIN Hold
after SDILE =
tSSCS
SDIN Set-up
before SCLK
tSSCH
SDIN Hold
after SCLK
tSSOLS
tSSOLH
SDIN Set-up
SDIN Hold
before SDOLE =
after SDOLE =
tSCSD
SCLK (Lo-Hi)
before SDOLE =
tMCSD
MCLK (Lo-Hi)
before SDOLE =
tENS
R/W FIFO Enable Set-up before S/M CLK =
tENH
R/W FIFO Enable Hold after S/M CLK =
tRSS
RS1 (Lo-Hi)
R/WCLK =
tMODS
Mode Data Set-up
before SCLK =
tMODH
Mode Data Hold
after SCLK =
tMENS
Mode Enable Set-up
before SCLK =
tMENH
Mode Enable Hold
after SCLK =
tMSDS
MDIN Set-up
before SDOLE =
tMSDH
MDIN Hold
after SDOLE =
tBSCS
BE Set-up
before SCLK =
94
tBSCH
BE Hold
after SCLK =
DIAGNOSTIC SET-UP AND HOLD TIMES
79
tCSCS
CBI Set-up
80
tMSCS
MDIN Set-up
before SYNCLK =
81
tMLSCS(2) MDILE = Lo-Hi Set-up
82
tCSCH(2)
CBI Hold
83
tMSCH(2)
MDIN Hold
After SYNCLK=
84
tMLSCH(2) MDILE = Lo-Hi Hold
NOTE:
1. (Lo-Hi) indicates LOW-to-HIGH transition and vice versa.
Hi-Lo
Hi-Lo
Hi-Lo
Hi-Lo
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Hi-Lo
Hi-Lo
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
Lo-Hi
COMMERCIAL TEMPERATURE RANGES
49C466
Min.
Com'l.
2
6
2
6
12
2
10
12
4
4
10
4
5
3
2
6
8
0
14
14
4
4
6
4
4
4
4
22
0
1
6
49C466A (50MHz)
Min.
Com'l.
Unit
1.5
ns
1.5
ns
1.5
ns
1.5
ns
8
ns
0
ns
5
ns
12
ns
0
ns
0
ns
10
ns
0
ns
1.5
ns
1.5
ns
1
ns
2
ns
6
ns
0
ns
12
ns
10
ns
2
ns
2
ns
2
ns
2
ns
2
ns
2
ns
2
ns
20
ns
0
ns
1
ns
2
ns
4
2
ns
10
8
ns
10
8
ns
6
2
ns
6
2
ns
6
2
ns
2617 tbl 18
11.7
16
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