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IDT49C465A Datasheet PDF : 38 Pages
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IDT49C465/A
32-BIT FLOW-THRU ERROR DETECTION AND CORRECTION UNIT
MILITARY AND COMMERCIAL TEMPERATURE RANGES
AC PARAMETERS - 49C465A
PROPAGATION DELAY TIMES FROM LATCH ENABLES
Number
Parameter
Name
From
Input
Parameter Description
(edge)
To
Output
(edge)
22
t MLC
CBO
*
23
t MLE
ERR
*
24
t MLME
MLE =
HIGH MERR
*
25
t MLP
Px
*
26
t MLS
SDOUT
*
27
t MLSY
SYO
*
28
t PLS
PLE =
LOW
SDOUT
*
29
t PLP
PLE = LOW Px
*
30
t SLC
SLE =
HIGH CBO
*
31
t SLM
SLE =
HIGH MDOUT
*
NOTE:
“*” = Both HIGH and LOW edges are implied.
Com.’l.
Max.
16
13
16
18
18
15
10
13
16
12
ENABLE AND DISABLE TIMES
Parameter Description
Parameter
Number Name
32
t BESZx
33
t BESxZ
34
t BEPZx
35
t BEPxZ
36
t CECZx
37
t CECxZ
38
t MEMZx
39
t MEMxZ
40
t SESZx
41
t SESxZ
From
Input (edge)
BEN = HIGH
LOW
BEN = HIGH
LOW
CBOE = LOW
HIGH
MOE = LOW
HIGH
SOE = LOW
HIGH
To
Output (edge)
SDOUT *
Hi – Z
POUT
*
Hi – Z
CBO
*
Hi – Z
MDOUT *
Hi – Z
SDOUT *
Hi – Z
NOTE:
“*” = Delay to both edges.
Com’l.
Min.
2
2
2
2
2
2
2
2
2
2
Max.
13
11
13
11
13
11
13
11
13
11
Mil.
Max.
20
18
20
22
22
20
12
18
20
18
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Refer to
Timing Diagram
Figure
13
8, 10, 11
8
8, 11
8, 10, 11
8, 10
8, 11
8, 11
7, 9
7, 9
2552 tbl 27
Mil.
Min.
2
2
2
2
2
2
2
2
2
2
Max.
16
14
16
14
16
14
16
14
16
14
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Refer to
Timing Diagram
Figure
8, 10, 11
8, 11
7, 9
7, 9
8, 10
8, 10
7, 9
2552 tbl 28
11.7
23
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