idt49c465apqfb Integrated Device Technology, idt49c465apqfb Datasheet - Page 24

• 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 - 49C465A
DIAGNOSTIC SET-UP AND HOLD TIMES
NOTE:
“*”
MINIMUM PULSE WIDTH
Number
Number
42
49
51
53
43
44
45
46
47
48
50
52
54
55
56
57
58
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
Parameter
Parameter
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Name
t
t
t
t
t
SSLS
SSLH
MMLS
MMLH
CMLS
CMLH
MPLS
MPLH
CPLS
CPLH
PCPLS
PCPLH
CSCS
MSCS
MLSCS
SESCS
SESCH
Name
CLEAR
MLE
PLE
SLE
SYNCLK
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
CBI Set-up
MDIN Set-up *
MLE Set-up =HIGH
SCLKEN Set-up =LOW
SCLKEN Hold =LOW
Min.
Min. MLE HIGH time
Min.
Min. SLE HIGH time
Min. SYNCLK HIGH time to clock in new data
From
Input
Input
CLEAR
PLE
Minimum Pulse Width
Parameter Description
LOW time
(edge)
LOW time
*
*
*
*
*
*
*
*
*
See Figure 18
GND to 3.0V
1V/ns
1.5V
1.5V
To
Output
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
after SYNCLK =HIGH
to clear diag. registers Data = Valid
to strobe new data
to strobe new data
to strobe new data
PLE
PLE
PLE
PLE
PLE
PLE
2552 tbl 34
= HIGH
= HIGH
= HIGH
= HIGH
=HIGH
= HIGH
(edge)
11.7
Com.’l.
MD, CBI = Valid
SD = Valid
SD = Valid
SCKEN = LOW
Conditions
Min.
10
10
10
10
10
10
3
3
3
3
3
3
0
0
0
3
3
MILITARY AND COMMERCIAL TEMPERATURE RANGES
Min.
Mil.
12
12
12
12
12
12
Com’l.
4
4
4
4
4
4
0
0
0
4
4
Min.
8
5
5
5
5
Min.
Mil.
10
6
6
6
6
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Unit
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 32
2552 tbl 33
24