參數(shù)資料
型號: CYD36S72V18
廠商: Cypress Semiconductor Corp.
英文描述: FullFlex Synchronous SDR Dual-Port SRAM(FullFlex同步SDR雙端口SRAM)
中文描述: FullFlex器件特別提款權(quán)同步雙端口SRAM(FullFlex器件同步雙端口SRAM的特別提款權(quán))
文件頁數(shù): 26/52頁
文件大?。?/td> 774K
代理商: CYD36S72V18
FullFlex
Document #: 38-06082 Rev. *F
Page 26 of 52
t
CQHQV[31]
Echo Clock
(CQ) High to
Output Valid
HSTL
1.8V LVCMOS
2.5V LVCMOS
3.3V LVTTL
HSTL
1.8V LVCMOS
2.5V LVCMOS
3.3V LVTTL
0.60
[28]
0.70
[28]
0.80
[28]
0.90
[28]
ns
0.70
[28]
0.80
[28]
0.90
[28]
1.00
[28]
ns
t
CQHQX[31]
Echo Clock
(CQ) High to
Output Hold
–0.60
–0.70
–0.80
–0.90
ns
–0.75
–0.85
–0.95
–1.05
ns
t
CKHZ1[27]
C Rise to DQ Output High Z
in Flow-through Mode
C Rise to DQ Output Low Z
in Flow-through Mode
C Rise to DQ Output High Z
in Pipelined Mode
C Rise to DQ Output Low Z
in Pipelined Mode
Address Output Hold after C
Rise
t
CKHZA1[27]
C Rise to Address Output
High Z for Flow-through
Mode
t
CKHZA2[27]
C Rise to Address Output
High Z for Pipelined Mode
t
CKLZA[27]
C Rise to Address Output
Low Z
t
SCINT
C Rise to CNTINT Low
t
RCINT
C Rise to CNTINT High
t
SINT
C Rise to INT Low
t
RINT
C Rise to INT High
t
BSY
C Rise to BUSY Valid
1.00
7.20
[28,
30]
1.00
9.00
[28,
30]
1.00
11.00
[28,30]
1.00
13.00
[28,30]
ns
t
CKLZ1[27]
1.00
1.00
1.00
1.00
ns
t
CKHZ2[27,
1.00
2.64
[28,
30]
1.00
3.30
[28,
30]
1.00
4.00
[28,
30]
1.00
4.50
[28,
30]
ns
t
CKLZ2[27,
1.00
1.00
1.00
1.00
ns
t
AC
1.00
1.00
1.00
1.00
ns
1.00
7.20
[30]
1.00
9.00
[30]
1.00
11.00
[30]
1.00
13.00
[30]
ns
1.00
4.00
[30]
1.00
5.00
[30]
1.00
6.00
[30]
1.00
7.50
[30]
ns
1.00
1.00
1.00
1.00
ns
1.00
1.00
0.50
0.50
1.00
2.64
[30]
2.64
[30]
6.00
[30]
6.00
[30]
2.64
[30]
1.00
1.00
0.50
0.50
1.00
3.30
[30]
3.30
[30]
7.00
[30]
7.00
[30]
3.30
[30]
1.00
1.00
0.50
0.50
1.00
4.00
[30]
4.00
[30]
8.00
[30]
8.00
[30]
4.00
[30]
1.00
1.00
0.50
0.50
1.00
4.50
[30]
4.50
[30]
8.50
[30]
8.50
[30]
4.50
[30]
ns
ns
ns
ns
ns
Table 15.SDR Mode with DLL Disabled (LOWSPD-LOW)
[29]
Parameter
Description
All Speed Bins
Min.
Unit
MHz
MHz
ns
ns
%
ns
ns
ns
ns
ns
ns
ns
ns
Max.
100
55.6
f
MAX
(P
IPELINED
)
f
MAX
(F
LOW
-
THROUGH
)
t
CYC
(P
IPELINED
)
t
CYC
(F
LOW
-
THROUGH
)
t
CKD
t
SD
Maximum Operating Frequency for Pipelined Mode
Maximum Operating Frequency for Flow-through Mode
C Clock Cycle Time for Pipelined Mode
C Clock Cycle Time for Flow-through Mode
C Clock Duty Time
Data Input Set-up Time to C Rise HSTL/1.8V LVCMOS
10.00
[30]
18.00
[30]
45
1.80
[28,30]
2.05
[28,30]
0.50
1.80
[28,30]
2.05
[28,30]
0.70
55
2.5V LVCMOS/3.3V LVTTL
t
HD
t
SAC
Data Input Hold Time after C Rise
Address & Control Input Setup
Time to C Rise
HSTL/1.8V LVCMOS
2.5V LVCMOS/3.3V LVTTL
t
HAC
t
OE
t
OLZ[27]
Address & Control Input Hold Time after C Rise
Output Enable to Data Valid
OE to Low Z
5.50
[28,30]
1.00
Table 14.SDR Mode with DLL Enabled (LOWSPD-HIGH)
[29]
(continued)
Parameter
Description
–250
[24]
Min.
–200
[24]
Min.
–167
–133
Unit
Max.
Max.
Min.
Max.
Min.
Max.
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