idt49c460cjb Integrated Device Technology, idt49c460cjb Datasheet - Page 31

• 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
SET-UP AND HOLD TIMES AND MINIMUM PULSE WIDTHS
NOTES:
1. BOLD indicates critical parameters.
2. This is "E" version timing spec. Check appropriate table for other speed versions.
* Enable to enable timing requirement to ensure that the last DATA word applied to "DATA
INPUT/OUTPUT INTERFACE CIRCUIT
CORRECT
LE
is valid at least 4ns before "LE
OUT
DATA
CB
/
LE
GEN
INPUTS
IN
IN
IN
.
Figure 5. Input Structure (All Inputs)
CODE ID1,0 = 00, 11
CODE ID1,0 = 10
I
IH
I
IL
IN
" goes high.
PROTECTION
ESD
5
2
3
Valid
Valid
14*
2584 drw 12
3
3
11
6
6
6
5
11.6
IN
MILITARY AND COMMERCIAL TEMPERATURE RANGES
Of
CB
CB
*LE
DATA Set-up to LE
DATA Hold to LE
CB
CB
DATA Set-up to LE
" is made available as DATA
LE
LE
CORRECT Set-up to
LE
IN
IN
IN
OUT
IN
IN
IN
width
Set-up to LE
Hold to LE
OUT
Set-up to LE
Set-up to LE
= High to LE
/
Figure 6. Out put Structure
GENERATE
/
GEN
Set-up/Hold Time
= Low
IN
With Respect To
IN
IN
OUT
OUT
= Low
OUT
V
IN
OUT
= Low
Width
CC
= Low
= Low
/
/
/
GEN
GEN
GEN
/
GEN
I
I
OUT
OH
OL
= Low
= Low
= Low*
= Low
"; assumes that "DATA
OUTPUTS
2584 drw 13
Min./Max.
Min.
Min.
Min.
Min.
Min.
Min.
Min.
Min.
Min.
Min.
Min.
2584 drw 11
31
IN
"