參數(shù)資料
型號(hào): IDT7008S55PFI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: ACB 17C 17#1 PIN RECP WALL RM
中文描述: 64K X 8 DUAL-PORT SRAM, 55 ns, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
文件頁(yè)數(shù): 11/19頁(yè)
文件大小: 167K
代理商: IDT7008S55PFI
6.42
IDT7008S/L
High-Speed 64K x 8 Dual-Port Static RAM Military, Industrial and Commercial Temperature Ranges
$.8/%+,.$)%/,
NOTES:
1. D
OR
= D
OL
= V
IL
,
CE
L
=
CE
R
= V
IH
(Refer to Chip Enable Truth Table).
2. All timng is the same for left and right ports. Port "A" may be either left or right port. "B" is the opposite fromport "A".
3. This parameter is measured fromR/
W
"A"
or
SEM
"A"
going HIGH to R/
W
"B"
or
SEM
"B"
going HIGH.
4. If t
SPS
is not satisfied, the semaphore will fall positively to one side or the other, but there is no guarantee which side will obtain the flag.
$.8/%.
B
NOTES:
1.
CE
= V
IH
for the duration of the above timng (both write and read cycle) (Refer to Chip Enable Truth Table).
2. "DATA
OUT
VALID" represents all I/O's (I/O
0
- I/O
15
) equal to the semaphore value.
SEM
3198 drw 11
t
AW
t
EW
t
SOP
DATA
0
VALID ADDRESS
t
SAA
R/
W
t
WR
t
OH
t
ACE
VALID ADDRESS
DATA
IN
VALID
DATA
OUT
VALID
(2)
t
DW
t
WP
t
DH
t
AS
t
SWRD
t
AOE
t
SOP
Read Cycle
Write Cycle
A
0
-A
2
OE
SEM
"A"
3198 drw 12
t
SPS
MATCH
R/
W
"A"
MATCH
A
0"A"
-A
2"A"
SIDE
"A"
(2)
SEM
"B"
R/
W
"B"
A
0"B"
-A
2"B"
SIDE
"B"
(2)
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