IDT49C466/A Flow-thruEDC™
ERROR DETECTION AND CORRECTION UNIT
BYTE MERGE TIMES
Number
Parameter
Description
From Input(1)
To Output
36
tSCM
SCLK (Lo-Hi)
MDout
37
tMDM
MDOLE (Hi-Lo)
MDout
38
tRBM
RBSEL
MDout
NOTE:
1. (Lo-Hi) indicates LOW-to-HIGH transition and vice versa.
COMMERCIAL TEMPERATURE RANGES
49C466
Max.
Com'l.
25
18
23
49C466A (50MHz)
Max.
Com'l.
18
14
15
Unit
ns
ns
ns
2617 tbl 16
ENABLE AND DISABLE TIMES
Description
Number Parameter From Input(1)
To Output
40 tBESZx
BEN = High
SDout
*
41 tBESxZ
Low
Hi-Z
42 tBEPZx
BEN = High
Pout
*
43 tBEPxZ
Low
Hi-Z
44 tSEPZx
SOE = Low
Pout
*
45 tSEPxZ
High
Hi-Z
46 tCECZx
MOE = Low
CBSYN *
47 tCECxZ
High
Hi-Z
48 tMEMZx
MOE = Low
MDout
*
49 tMEMxZ
High
Hi-Z
50 tSESZx
SOE = Low
SDout
*
51 tSESxZ
High
Hi-Z
NOTES:
1. (High-Z) indicates high impedence.
2. * indicates delay to both edges.
49C466
Com'l.
Min.
Max.
—
22
—
22
—
15
—
15
—
14
—
14
—
12
—
10
—
22
—
18
—
16
—
20
49C466A (50MHz)
Com'l.
Min.
Max.
—
12
—
12
—
10
—
8
—
10
—
8
—
10
—
8
—
10
—
9
—
10
—
9
Unit
ns
ns
ns
ns
ns
ns
2617 tbl 17
11.7
15