參數(shù)資料
型號: IDT70T9349L7BFI
廠商: Integrated Device Technology, Inc.
英文描述: HIGH-SPEED 2.5V 8/4K x 18 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM
中文描述: 高速2.5V的8/4K × 18 SYNCHRONOU仛流水線雙端口靜態(tài)RAM
文件頁數(shù): 10/16頁
文件大?。?/td> 213K
代理商: IDT70T9349L7BFI
6.42
IDT70T9359/49L
High-Speed 2.5V 8/4K x 18 Dual-Port Synchronous Pipelined Static RAM Industrial and Commercial Temperature Ranges
10
Preliminary
&.>A'BBAB&''+,
" : @#
&.>2,+,
#
t
SC
t
HC
CE
0(B1)
ADDRESS
(B1)
A
0
A
1
A
2
A
3
A
4
A
5
t
SA
t
HA
CLK
5640 drw 08
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
CE
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
DATA
IN "A"
CLK
"B"
R/
W
"B"
ADDRESS
"A"
R/
W
"A"
CLK
"A"
ADDRESS
"B"
NO
MATCH
MATCH
NO
MATCH
MATCH
VALID
t
CWDD
t
CD1
t
DC
DATA
OUT "B"
5640 drw 09
VALID
VALID
t
SW
t
HW
t
SA
t
HA
t
SD
t
HD
t
HW
t
HA
t
CD1
t
CCS
t
DC
t
SA
t
SW
(6)
(6)
NOTES:
1. B1 Represents Bank #1; B2 Represents Bank #2. Each Bank consists of one IDT70T9359/49 for this waveform and are setup for depth expansion in this
example. ADDRESS
(B1)
= ADDRESS
(B2)
in this situation.
2.
UB
,
LB
,
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
,
UB
,
LB
, 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 fromPort "A".
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IDT70T9349L7PF HIGH-SPEED 2.5V 8/4K x 18 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM
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