IDT7026L IDT [Integrated Device Technology], IDT7026L Datasheet - Page 11

• Manufacturer Part Number: IDT7026L
• Description: HIGH-SPEED 16K x 16 DUAL-PORT STATIC RAM
• Manufacturer: IDT [Integrated Device Technology]

IDT7026S/L
HIGH-SPEED 16K x 16 DUAL-PORT STATIC RAM
TIMING WAVEFORM OF SEMAPHORE READ AFTER WRITE TIMING, EITHER SIDE
NOTES:
1.
2. "DATA
TIMING WAVEFORM OF SEMAPHORE WRITE CONTENTION
NOTES:
1. D
2. All timing is the same for left and right ports. Port “A” may be either left or right port. Port “B” is the opposite from port “A”.
3. This parameter is measured from R/
4. If t
CE
OR
SPS
= V
= D
OUT
is not satisfied, there is no guarantee which side will be granted the semaphore flag.
IH
OL
or
VALID" represents all I/O's (I/O
= V
UB
A
SEM
R/
0
I/O
IL
-A
OE
,
and
SIDE
SIDE
W
CE
2
0
R
LB
=
(2)
(2)
= V
CE
“A”
“B”
L
IH
= V
for the duration of the above timing (both write and read cycle).
IH
A
A
, or both
t
VALID ADDRESS
AS
0"A"
0"B"
W"
t
SEM
SEM
AW
R/
R/
A"
-A
-A
Write Cycle
W
W
or
0
2"A"
2"B"
-I/O
UB
t
"A"
"A"
"B"
"B"
t
EW
SEM"
WP
15
&
) equal to the semaphore value.
DATA
LB
A"
VALID
going HIGH to R/
t
= V
t
DW
WR
IN
t
MATCH
IH
DH
.
t
SWRD
MATCH
W"
t
6.17
B"
SPS
VALID ADDRESS
t
SOP
or
Read Cycle
t
SEM"
SAA
t
ACE
B"
going HIGH.
t
AOE
MILITARY AND COMMERCIAL TEMPERATURE RANGES
DATA
VALID
(1,3,4)
OUT
(2)
2939 drw 11
t
OH
2939 drw 10
(1)
11