idt49c460cjb Integrated Device Technology, idt49c460cjb Datasheet - Page 11

• Manufacturer Part Number: idt49c460cjb
• Description: 32-bit Cmos Error Detection And Correction Unit
• Manufacturer: Integrated Device Technology

IDT49C460/A/B/C/D/E
32-BIT CMOS ERROR DETECTION AND CORRECTION UNIT
NOTES:
* = No errors detected
Number = The number of the single bit-in-error
Hex
A
B
C
D
E
0
1
2
3
4
5
6
7
8
9
F
S
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
3
Syndrome
S
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
2
Bits
S
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
1
S
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
Table 8B. 64-Bit Diagnostic Latch–Coding Format (Diagnostic and Correct Mode)
Hex
S
S
S
S
7
6
5
4
Table 9. Syndrome Decode to Bit–In–Error (64–Bit Configuration)
C0
C1
C2
C3
17
16
M
M
0
0
0
0
0
*
T
T
T
T
T
T
T
13–31
45–63
Bit
0–7
10
11
12
32
33
34
35
36
37
38
39
40
41
42
43
44
8
9
C4
18
19
20
21
22
23
M
1
0
0
0
1
T
T
T
T
T
T
T
T
T = Two errors detected
M = Three or more errors detected
C5
10
11
12
13
M
2
0
0
1
0
T
T
8
T
9
T
T
T
T
T
14
15
M
M
M
M
M
M
3
0
0
1
1
T
T
T
T
T
T
T
T
DON'T CARE
CODE ID
CODE ID
DIAG MODE
DIAG MODE
CORRECT LOWER 32-BIT
DON'T CARE
CB
CB
CB
CB
CB
CB
CB
CB
CODE ID
CODE ID
DIAG MODE
DIAG MODE
CORRECT UPPER 32-BIT
DON'T CARE
C6
33
32
M
M
M
M
M
4
0
1
0
0
T
T
T
T
T
T
T
T
11.6
0
1
2
3
4
5
6
7
Internal Function
DIAGNOSTIC
DIAGNOSTIC
DIAGNOSTIC
DIAGNOSTIC
DIAGNOSTIC
DIAGNOSTIC
DIAGNOSTIC
DIAGNOSTIC
34
35
36
37
38
39
M
M
5
0
1
0
1
T
T
T
T
T
T
T
T
0
1
0
1
LOWER 32-BIT
LOWER 32-BIT
UPPER 32-BIT
UPPER 32-BIT
0
1
0
1
56
57
58
59
60
61
M
M
6
0
1
1
0
T
T
T
T
T
T
T
T
LOWER 32-BIT
LOWER 32-BIT
UPPER 32-BIT
UPPER 32-BIT
MILITARY AND COMMERCIAL TEMPERATURE RANGES
62
63
M
M
M
M
M
M
7
0
1
1
1
T
T
T
T
T
T
T
T
C7
49
48
M
M
M
M
M
8
1
0
0
0
T
T
T
T
T
T
T
T
2584 tbl 10
50
51
52
53
54
55
M
M
9
1
0
0
1
T
T
T
T
T
T
T
T
40
41
42
43
44
45
A
M
M
1
0
1
0
T
T
T
T
T
T
T
T
46
47
M
M
M
M
M
M
B
1
0
1
1
T
T
T
T
T
T
T
T
C
M
M
M
M
M
M
1
1
0
0
T
T
T
T
T
T
1
T
0
T
M
M
D
1
1
0
1
T
T
2
T
3
4
T
T
5
6
T
7
T
T
24
25
26
27
28
29
E
M
M
1
1
1
0
T
T
T
T
T
T
T
T
2584 tbl 11
11
30
31
M
M
M
M
M
M
F
1
1
1
1
T
T
T
T
T
T
T
T