參數(shù)資料
型號(hào): CYD36S18V18
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): 27/52頁
文件大?。?/td> 774K
代理商: CYD36S18V18
FullFlex
Document #: 38-06082 Rev. *F
Page 27 of 52
Table 16.Master Reset Timing
t
OHZ[27]
t
CD1
OE to High Z
C Rise to DQ Valid for Flow-through Mode (LowSPD = 0)
1.00
5.50
[28,30]
13.00
[28,
30]
ns
ns
t
CD2[31]
t
CA1
t
CA2
t
DC[31]
t
CCQ[31]
t
CQHQV[31]
C Rise to DQ Valid for Pipelined Mode (LowSPD = 0)
C Rise to Address Readback Valid for Flow-through Mode
C Rise to Address Readback Valid for Pipelined Mode
DQ Output Hold after C Rise
C Rise to CQ Rise
Echo Clock (CQ) High to Output
Valid
6.00
[28,30]
13.00
[30]
7.50
[30]
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1.00
1.00
6.00
[30]
0.90
[28]
1.00
[28]
HSTL/1.8V LVCMOS
2.5V LVCMOS/3.3V LVTTL
HSTL/1.8V LVCMOS
2.5V LVCMOS/3.3V LVTTL
t
CQHQX[31]
Echo Clock (CQ) High to Output
Hold
–0.90
–1.05
1.00
t
CKHZ1[27]
C Rise to DQ Output High Z in Flow-through Mode
13.00
[28,
30]
t
CKLZ1[27]
t
CKHZ2[27,31]
t
CKLZ2[27,31]
t
AC
t
CKHZA1[27]
t
CKHZA2[27]
t
CKLZA[27]
t
SCINT
t
RCINT
t
SINT
t
RINT
t
BSY
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
C Rise to Address Output High Z for Flow-through mode
C Rise to Address Output High Z for Pipelined Mode
C Rise to Address Output Low Z
C Rise to CNTINT Low
C Rise to CNTINT High
C Rise to INT Low
C Rise to INT High
C Rise to BUSY Valid
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
1.00
0.50
0.50
1.00
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
6.00
[28,30]
13.00
[30]
7.50
[30]
4.50
[30]
4.50
[30]
8.50
[30]
8.50
[30]
4.50
[30]
Table 15.SDR Mode with DLL Disabled (LOWSPD-LOW)
[29]
Parameter
Description
All Speed Bins
Min.
Unit
Max.
Parameter
t
PUP
t
RS
t
RSR
t
RSF
t
RDY[32]
t
CORDY[33]
Description
–250
[24]
Min.
1
5
5
–200
[24]
Min.
1
5
5
–167
–133
Unit
ms
cycles
cycles
ns
cycles
ns
Max.
Max.
Min.
1
5
5
Max.
Min.
1
5
5
Max.
Power-Up Time
Master Reset Pulse Width
Master Reset Recovery Time
Master Reset to Outputs Inactive/Hi Z
Master Reset Release to Port Ready
C Rise to Port Ready
12
1024
8
[30]
15
1024
9.5
[30]
18
22.50
1024
13
[30]
1024
11
[30]
Table 17.JTAG Timing
Parameter
f
JTAG
Description
–250
[24]
Min.
–200
[24]
Min.
–167
–133
Unit
MHz
Max.
20
Max.
20
Min.
Max.
20
Min.
Max.
20
JTAG TAP Controller Frequency
Notes:
32.READY is a wired OR capable output with a weak pull-down. For a decreased falling delay, connect a 250-
resistor to VSS.
33.Add this propagation delay after t
RDY
for all Master Reset Operations.
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