参数资料
型号: LFE3-35EA-6FN484C
厂商: LATTICE SEMICONDUCTOR CORP
元件分类: FPGA
中文描述: FPGA, PBGA484
封装: 23 X 23 MM, LEAD FREE, FPBGA-484
文件页数: 3/130页
文件大小: 2667K
代理商: LFE3-35EA-6FN484C
3-48
DC and Switching Characteristics
Lattice Semiconductor
LatticeECP3 Family Data Sheet
LatticeECP3 sysCONFIG Port Timing Specifications
Over Recommended Operating Conditions
Parameter
Description
Min.
Max.
Units
POR, Configuration Initialization, and Wakeup
tICFG
Time from the Application of VCC, VCCAUX or VCCIO8* (Whichever
is the Last to Cross the POR Trip Point) to the Rising Edge of
INITN
Master mode
23
ms
Slave mode
6
ms
tVMC
Time from tICFG to the Valid Master MCLK
5
s
tPRGM
PROGRAMN Low Time to Start Configuration
25
ns
tPRGMRJ
PROGRAMN Pin Pulse Rejection
10
ns
tDPPINIT
Delay Time from PROGRAMN Low to INITN Low
37
ns
tDPPDONE
Delay Time from PROGRAMN Low to DONE Low
37
ns
tDINIT
PROGRAMN High to INITN High Delay
1
ms
tMWC
Additional Wake Master Clock Signals After DONE Pin is High
100
500
cycles
tCZ
MCLK From Active To Low To High-Z
300
ns
All Configuration Modes
tSUCDI
Data Setup Time to CCLK/MCLK
5
ns
tHCDI
Data Hold Time to CCLK/MCLK
1
ns
tCODO
CCLK/MCLK to DOUT in Flowthrough Mode
12
ns
Slave Serial
tSSCH
CCLK Minimum High Pulse
5
ns
tSSCL
CCLK Minimum Low Pulse
5
ns
fCCLK
CCLK Frequency
Without encryption
33
MHz
With encryption
20
MHz
Master and Slave Parallel
tSUCS
CSN[1:0] Setup Time to CCLK/MCLK
7
ns
tHCS
CSN[1:0] Hold Time to CCLK/MCLK
1
ns
tSUWD
WRITEN Setup Time to CCLK/MCLK
7
ns
tHWD
WRITEN Hold Time to CCLK/MCLK
1
ns
tDCB
CCLK/MCLK to BUSY Delay Time
12
ns
tCORD
CCLK to Out for Read Data
12
ns
tBSCH
CCLK Minimum High Pulse
6
ns
tBSCL
CCLK Minimum Low Pulse
6
ns
tBSCYC
Byte Slave Cycle Time
30
ns
fCCLK
CCLK/MCLK Frequency
Without encryption
33
MHz
With encryption
20
MHz
Master and Slave SPI
tCFGX
INITN High to MCLK Low
80
ns
tCSSPI
INITN High to CSSPIN Low
0.2
2
s
tSOCDO
MCLK Low to Output Valid
15
ns
tCSPID
CSSPIN[0:1] Low to First MCLK Edge Setup Time
0.3
s
fCCLK
CCLK Frequency
Without encryption
33
MHz
With encryption
20
MHz
tSSCH
CCLK Minimum High Pulse
5
ns
tSSCL
CCLK Minimum Low Pulse
5
ns
tHLCH
HOLDN Low Setup Time (Relative to CCLK)
5
ns
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