參數(shù)資料
型號: IDT709089S15PF
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: DRAM
英文描述: HIGH-SPEED 64K x 8 SYNCHRONOUS DUAL-PORT STATIC RAM
中文描述: 64K X 8 DUAL-PORT SRAM, 30 ns, PQFP100
封裝: 14 X 14 MM, 1.40 MM HEIGHT, TQFP-100
文件頁數(shù): 9/17頁
文件大?。?/td> 199K
代理商: IDT709089S15PF
6.42
IDT709089S/L
High-Speed 64K x 8 Synchronous Dual-Port Static RAM Industrial and Commercial Temperature Ranges
Preliminary
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!#
t
SC
t
HC
0(B1)
ADDRESS
(B1)
A
0
A
1
A
2
A
3
A
4
A
5
t
SA
t
HA
CLK
3242 drw 09
Q
0
Q
1
Q
3
DATA
OUT(B1)
t
CH2
t
CL2
t
CYC2
(3)
ADDRESS
(B2)
A
0
A
1
A
2
A
3
A
4
A
5
t
SA
t
HA
0(B2)
DATA
OUT(B2)
Q
2
Q
4
t
CD2
t
CD2
t
CKHZ
t
CD2
t
CKLZ
t
DC
t
CKHZ
t
CD2
t
CKLZ
(3)
(3)
t
SC
t
HC
(3)
t
CKHZ
(3)
t
CKLZ
(3)
t
CD2
A
6
A
6
t
DC
t
SC
t
HC
t
SC
t
HC
$+:.@A$%%)
;!<#
t
SC
t
HC
0(B1)
ADDRESS
(B1)
A
0
A
1
A
2
A
3
A
4
A
5
t
SA
t
HA
CLK
3242 drw 09a
D
0
D
3
t
CD1
t
CKLZ
t
CKHZ
(1)
(1)
D
1
DATA
OUT(B1)
t
CH1
t
CL1
t
CYC1
(1)
ADDRESS
(B2)
A
0
A
1
A
2
A
3
A
4
A
5
t
SA
t
HA
0(B2)
DATA
OUT(B2)
D
2
D
4
t
CD1
t
CD1
t
CKHZ
t
DC
t
CD1
t
CKLZ
t
SC
t
HC
(1)
t
CKHZ
(1)
t
CKLZ
(1)
t
CD1
A
6
A
6
t
DC
t
SC
t
HC
t
SC
t
HC
D
5
t
CD1
t
CKLZ
(1)
t
CKHZ
(1)
NOTES:
1. B1 Represents Bank #1; B2 Represents Bank #2. Each Bank consists of one 709089 for this waveform and are setup for depth expansion in this example.
ADDRESS
(B1)
= ADDRESS
(B2)
in this situation.
2.
OE
and
ADS
= V
IL
; CE
1(B1)
, CE
1(B2)
, R/
W
,
CNTEN
, and
CNTRST
= V
IH
.
3. Transition is measured 0mV fromLow or High-impedance voltage with the Output Test Load (Figure 2).
4.
CE
0
and
ADS
= V
IL
; CE
1
,
CNTEN
, and
CNTRST
= V
IH
.
5.
OE
= V
IL
for the Right Port, which is being read from
OE
= V
IH
for the Left Port, which is being written to.
6. If t
CCS
< maximumspecified, then data fromright port READ is not valid until the maximumspecified for t
CWDD
.
If t
CCS
> maximumspecified, then data fromright port READ is not valid until t
CCS
+ t
CD1
. t
CWDD
does not apply in this case.
7. All timng is the same for both Left and Right ports. Port "A" may be either Left or Right port. Port "B" is the opposite of Port "A".
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