參數(shù)資料
型號: IDT70V9179L6PFI
廠商: Integrated Device Technology, Inc.
英文描述: HIGH-SPEED 3.3V 64/32K x 9 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM
中文描述: 高速3.3 64/32K × 9同步流水線雙端口靜態(tài)RAM
文件頁數(shù): 10/17頁
文件大?。?/td> 305K
代理商: IDT70V9179L6PFI
6.42
IDT70V9189/79L
High-Speed 64/32K x 9 Dual-Port Synchronous Pipelined Static RAM Industrial and Commercial Temperature Ranges
Timing Waveform with Port-to-Port Flow-Through Read
(4,5,7)
10
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"
4860 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 IDT70V9189/79 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 from Low 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
< maximum specified, then data from right port READ is not valid until the maximum specified for t
CWDD
.
If t
CCS
> maximum specified, then data from right port READ is not valid until t
CCS
+ t
CD1
. t
CWDD
does not apply in this case.
7. All timing is the same for both Left and Right ports. Port "A" may be either Left or Right port. Port "B" is the opposite from Port "A".
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