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IDT49C465AG 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 - 49C465
PROPAGATION DELAY TIMES
32-bit
System
Standalone
Slice
64-bit
“Generate
only”
Slice
64-bit System
Lower
Slice
Upper
Slice
CODE ID=00 CODE ID=01 CODE ID=10 CODE ID=11
Parameter Description Com. Mil. Com. Mil. Com. Mil. Com. Mil.
Number Parameter From
To
Name Input (edge) Output (edge) Max. Max. Max. Max. Max. Max. Max. Max. Unit
Refer to
Timing Diagram
Figure
GENERATE (WRITE) PARAMETERS
01
t BC
BEN
CBO
20 25 — — 20 25 20 25 ns
—
02
t BM
BEN
MDOUT
20 25 — — 20 25 20 25 ns
—
03
t MC
MDIN
CBO
— — 17 20 — — — — ns
10
04
t PCC
05
t PPE
PCBI
PXIN
CBO
PERR
— — — — — — 15 20 ns
7
15 20 — — 15 20 15 20 ns
—
06
t SC
CBO
16 20 16 20 16 20 16 20 ns
7
07
t SM
SDIN
MDOUT
15 20 — — 15 20 15 20 ns
7
08
tSPE
PERR
15 20 — — 15 20 15 20 ns
—
DETECT (READ) PARAMETERS
09
t CE
10
t CME
CBI
ERR = LOW 16 20 — — — — 15 20 ns
8,10
MERR = LOW 20 24 — — — — 20 24 ns
8,10
11
t CSY
SYO
15 20 — — 12 18 — — ns
8,10
12
t ME
ERR = LOW 15 20 — — — — 15 20 ns
8,10
13
t MME
MDIN
MERR = LOW 20 24 — — — — 20 24 ns
8,10
14
t MSY
SYO
18 22 — — 15 20 15 20 ns
8,10
CORRECT (READ) PARAMETERS
15
t CS
16
t MP
17
t MS
18
t MSY
19
t PCS
CBI
MDIN
PCBI
SDOUT
Px
SDOUT
SYO
SDOUT
20 24 — — — — 20 24 ns
8,11
20 26 — — 20 26 20 26 ns
8,11
16 20 — — — — — — ns
8,11
18 22 — — 15 20 15 20 ns
8,11
— — — — 15 20 — — ns
11
DIAGNOSTIC PARAMETERS
20
t CLR
21
t MIS
CLEAR = LOW SDOUT
MODE ID
SDOUT
20 24 — — 20 24 20 24 ns
20 24 — — 20 24 20 24 ns
NOTES:
1. Where “edge” is not specified, both HIGH and LOW edges are implied.
2. BOLD indicates critical system parameters.
15
15
2552 tbl 23
11.7
25
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