參數資料
型號: IDT70261S35PFI
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 16K x 16 DUAL-PORT STATIC RAM WITH INTERRUPT
中文描述: 16K X 16 DUAL-PORT SRAM, 35 ns, PQFP100
封裝: TQFP-100
文件頁數: 12/19頁
文件大?。?/td> 171K
代理商: IDT70261S35PFI
6.42
IDT70261S/L
High-Speed 16K x 16 Dual-Port Static RAM with Interrupt Industrial and Commercial Temperature Ranges
12
3039 drw 11
t
DW
t
APS
ADDR
"A"
t
WC
DATA
OUT "B"
MATCH
t
WP
R/
"A"
DATA
IN "A"
ADDR
"B"
t
DH
VALID
(1)
MATCH
"B"
t
BDA
VALID
t
BDD
t
DDD
(3)
t
WDD
t
BAA
'131=,22((
BUSY
$0
S
4+
.A
!
<5!
NOTES:
1. t
WH
must be met for both
BUSY
input (SLAVE) and output (MASTER).
2.
BUSY
is asserted on port "B" blocking R/
W
"B"
, until
BUSY
"B"
goes HIGH.
3. t
WB
is only for the
SLAVE
version.
NOTES:
1. To ensure that the earlier of the two ports wins. t
APS
is ignored for M/
S
= V
IL
(SLAVE).
2.
CE
L
=
CE
R
= V
IL.
3.
OE
= V
IL
for the reading port.
4. If M/
S
= V
IL
(slave),
BUSY
is an input. Then for this example
BUSY
"A"
= V
IH
and
BUSY
"B"
input is shown above.
5. All timng is the same for left and right ports. Port "A" may be either the left or right port. Port "B" is the port opposite fromport "A".
'131=,
BUSY
$0
S
4+
.B
!
3039 drw 12
R/
"A"
"B"
t
WP
t
WB
R/
"B"
t
WH
(2)
(3)
(1)
,
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