idt49c465apqfb Integrated Device Technology, idt49c465apqfb Datasheet - Page 27

• Manufacturer Part Number: idt49c465apqfb
• Description: 32-bit Flow-thru Error Detection Correction Unit
• Manufacturer: Integrated Device Technology

IDT49C465/A
32-BIT FLOW-THRU ERROR DETECTION AND CORRECTION UNIT
SET-UP AND HOLD TIMES - 49C465
DIAGNOSTIC SET-UP AND HOLD TIMES
NOTE:
“*”
MINIMUM PULSE WIDTH
Number
Number
Input Pulse Levels
Input Rise/Fall Times
Input Timing Reference Levels
Output Reference Levels
Output Load
= Where “edge” is not specified, both HIGH and LOW edges are implied.
59
60
61
62
63
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
Parameter
Parameter
Name
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Name
t
SSLS
SSLH
MMLS
MMLH
CMLS
CMLH
MPLS
MPLH
CPLS
CPLH
PCPLS
PCPLH
CSCS
MSCS
MLSCS
SESCS
SESCH
SYNCLK
t
CLEAR
t
t
MLE
PLE
SLE
CBI Set-up
MDIN Set-up
MLE Set-up =
SCLKEN Set-up = LOW
SCLKEN Hold = LOW after SYNCLK =HIGH
Min.
Min. MLE HIGH time
Min.
Min. SLE HIGH time
Min. SYNCLK HIGH time to clock in new data
From
Input
SDIN Set-up
SDIN Hold
MDIN Set-up
MDIN Hold
CBI Set-up
CBI Hold
MDIN Set-up
MDIN Hold
CBI Set-up
CBI Hold
PCBI Set-up
PCBI Hold
CLEAR
PLE
Input
LOW time
Parameter Description
Minimum Pulse Width
LOW time
(edge) Output
*
*
*
*
*
*
*
*
*
*
*
*
*
*
HIGH
See Figure 18
GND to 3.0V
1V/ns
1.5V
1.5V
To
before SLE =LOW
after SLE = LOW
before MLE =LOW
after MLE = LOW
before MLE =LOW
after MLE = LOW
before
after
before
after
before
after
before SYNCLK=HIGH
to clear diag. registers
to strobe new data
to strobe new data
to strobe new data
PLE
PLE
PLE
PLE
PLE
PLE
2552 tbl 31
= HIGH
= HIGH
= HIGH
(edge)
=HIGH
=HIGH
=HIGH
11.7
Com.’l.
Min.
Data = Valid
MD, CBI = Valid
SD = Valid
SD = Valid
SCLKEN = LOW
12
12
12
12
12
12
4
4
4
4
4
4
0
0
0
4
4
Conditions
MILITARY AND COMMERCIAL TEMPERATURE RANGES
Mil.
Min.
15
15
15
15
15
15
5
5
5
5
5
5
0
0
0
5
5
Com’l.
Min.
8
5
5
5
5
Min. Unit
Mil.
Unit
10
6
6
6
6
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Timing Diagram
Timing Diagram
8, 10, 11
8, 10, 11
8, 10, 11
8, 10, 11
Refer to
Figure
Refer to
7, 9
7, 9
15
15
15
15
15
—
—
—
—
—
—
Figure
14
14
—
—
—
2552 tbl 29
2552 tbl 30
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