idt49c465apqfb Integrated Device Technology, idt49c465apqfb Datasheet - Page 28

• 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
AC TIMING DIAGRAMS — 32-BIT CONFIGURATION
NOTE:
1. Assumes that System Data is valid at least 3ns (Com.) before SLE goes HIGH.
SD
MD
CBOE
PERR
MOE
CBO
SOE
BE
0–31
0–31
SLE
P
N
N
(OUTPUT)
(INPUT)
to
to
tMEMZx
t SESxZ
t BESxZ
t CECZx
t BESxZ
t SESxZ
1
1
t SLM
t SSLS
t SLC
DATA
t SM
(1)
(1)
t SSLH
2
2
t SC
IN
t PPE
t SPE
M DATA
Figure 7. 32-Bit Generate Timing
3
3
OUT
=
S DATA
4
4
11.7
IN
5
5
t BESxZ max.
t SESxZ max.
t BESxZ min.
Parameter
t SESxZ min.
t SSLS
t SSLH
t SPE
t PPE
t SM
t SLM
t MEMZx
t SC
t SLC
t CECZx
Name
MILITARY AND COMMERCIAL TEMPERATURE RANGES
(1)
(1)
CBOE = Low to CBO Enable max.
BE
BE
SOE = Low to SD
SOE = Low to SD
SD
SD
SD
P
SD
SLE = High to MD
MOE = Low to MD
SD
SLE = High to
x
From
to PERR
N
N
IN
IN
IN
IN
IN
= Low to SDOUT Disabled
= Low to SDOUT Disabled
Set-up to SLE
Hold to SLE
to PERR
to MDOUT
to CBO
Propagation Delay
OUT
OUT
CBO
IN
OUT
OUT
OUT
OUT
IN
= Low
= Low
Disabled
Disabled
Enabled
To
2552 drw 19
Min./
Max.
min.
max.
min.
max.
min.
min.
max.
max.
max.
max.
max.
max.
max.
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