參數(shù)資料
型號: IDT709289L
廠商: Integrated Device Technology, Inc.
英文描述: HIGH-SPEED 64K x 16 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM
中文描述: 高速64K的× 16 SYNCHRONOU仛流水線雙端口靜態(tài)RAM
文件頁數(shù): 8/15頁
文件大?。?/td> 190K
代理商: IDT709289L
6.42
IDT709289L
High-Speed 64K x 16 Synchronous Pipelined Dual-Port Static RAM Industrial and Commercial Temperature Ranges
8
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FT
*',
t
CYC1
BCB
30
'D
"
! "
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FT
*',
BCB
30
'8
"
! "
NOTES:
1. Transition is measured 0mV fromLow or High-impedance voltage with the Output Test Load (Figure 2).
2.
OE
is asynchronously controlled; all other inputs are synchronous to the rising clock edge.
3.
ADS
= V
IL
,
CNTEN
and
CNTRST
= V
IH
.
4. The output is disabled (High-Impedance state) by
CE
0
= V
IH
, CE
1
= V
IL
,
UB
= V
IH
, or
LB
= V
IH
following the next rising edge of the clock. Refer to Truth Table 1.
5. Addresses do not have to be accessed sequentially since
ADS
= V
IL
constantly loads the address on the rising edge of the CLK; numbers
are for reference use only.
6. If
UB
or
LB
was HIGH, then the Upper Byte and/or Lower Byte of DATA
OUT
for Qn + 2 would be disabled (High-Impedance state).
7. "X" here denotes Left or Right port. The diagramis with respect to that port.
An
An + 1
An + 2
An + 3
t
CH1
t
CL1
R/
W
ADDRESS
DATA
OUT
CE
0
CLK
OE
t
SC
t
HC
t
CD1
t
CKLZ
Qn
Qn + 1
Qn + 2
t
OHZ
t
OLZ
t
OE
t
CKHZ
4842 drw 07
(1)
(1)
(1)
(1)
(2)
CE
1
UB
,
LB
(4)
t
SB
t
HB
t
SW
t
HW
t
SA
t
HA
t
DC
t
DC
(5)
t
SC
t
HC
t
SB
t
HB
An
An + 1
An + 2
An + 3
t
CYC2
t
CH2
t
CL2
R/
W
ADDRESS
CE
0
CLK
CE
1
UB
,
LB
(4)
DATA
OUT
OE
t
CD2
t
CKLZ
Qn
Qn + 1
Qn + 2
t
OHZ
t
OLZ
t
OE
4842 drw 08
(1)
(1)
(1)
(2)
t
SC
t
HC
t
SB
t
HB
t
SW
t
SA
t
HW
t
HA
t
DC
t
SC
t
HC
t
SB
(6)
t
HB
(5)
(1 Latency)
(6)
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IDT709289L12PF HIGH-SPEED 64K x 16 SYNCHRONOUS PIPELINED DUAL-PORT STATIC RAM
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