參數(shù)資料
型號: IDT7028L15PFI
廠商: Integrated Device Technology, Inc.
英文描述: HIGH-SPEED 64K x 16 DUAL-PORT STATIC RAM
中文描述: 高速64K的× 16 DUAL-PORT靜態(tài)RAM
文件頁數(shù): 11/17頁
文件大?。?/td> 150K
代理商: IDT7028L15PFI
6.42
IDT7028L
High-Speed 64K x 16 Dual-Port Static RAM Industrial and Commercial Temperature Ranges
4836 drw 11
t
DW
t
APS
ADDR
"A"
t
WC
DATA
OUT "B"
MATCH
t
WP
R/
W
"A"
DATA
IN "A"
ADDR
"B"
t
DH
VALID
(1)
MATCH
BUSY
"B"
t
BDA
VALID
t
BDD
t
DDD
(3)
t
WDD
t
BAA
$:;:488//
BUSY
*9
S
%3
5+
#
!A!'#
$:;:4
BUSY
*9
S
%3
5B
#
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,
refer to Chip Enable Truth Table.
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".
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.
4836 drw 12
R/
W
"A"
BUSY
"B"
t
WP
t
WB
(3)
R/
W
"B"
t
WH
(1)
(2)
.
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