参数资料
型号: OR3L165B8PS208-DB
厂商: LATTICE SEMICONDUCTOR CORP
元件分类: FPGA
英文描述: FPGA, 1024 CLBS, 120000 GATES, 333 MHz, PQFP208
封装: SQFP2-208
文件页数: 41/77页
文件大小: 873K
代理商: OR3L165B8PS208-DB
46
PD78052, 78053, 78054, 78055, 78056, 78058
Data Sheet U12327EJ5V0DS00
(2) Read/write operation
(a) When MCS = 1, PCC2 to PCC0 = 000B (TA = –40 to +85
°C, VDD = 4.5 to 6.0 V)
Parameter
Symbol
Conditions
MIN.
MAX.
Unit
ASTB high-level width
tASTH
0.85tCY – 50
ns
Address setup time
tADS
0.85tCY – 50
ns
Address hold time
tADH
50
ns
Data input time from address
tADD1
(2.85 + 2n)tCY – 80
ns
tADD2
(4 + 2n)tCY – 100
ns
Data input time from RD
tRDD1
(2 + 2n)tCY – 100
ns
tRDD2
(2.85 + 2n)tCY – 100
ns
Read data hold time
tRDH
0ns
RD low-level width
tRDL1
(2 + 2n)tCY – 60
ns
tRDL2
(2.85 + 2n)tCY – 60
ns
Input time from RD
↓ to WAIT↓
tRDWT1
0.85tCY – 50
ns
tRDWT2
2tCY – 60
ns
Input time from WR
↓ to WAIT↓
tWRWT
2tCY – 60
ns
WAIT low-level width
tWTL
(1.15 + 2n)tCY
(2 + 2n)tCY
ns
Write data setup time
tWDS
(2.85 + 2n)tCY – 100
ns
Write data hold time
tWDH
20
ns
WR low-level width
tWRL
(2.85 + 2n)tCY – 60
ns
Delay time from ASTB
↓ to RD↓
tASTRD
25
ns
Delay time from ASTB
↓ to WR↓
tASTWR
0.85tCY + 20
ns
Delay time from RD
↑ to ASTB↑ at
tRDAST
0.85tCY – 10
1.15tCY + 20
ns
external fetch
Address hold time from RD
↑ at
tRDADH
0.85tCY – 50
1.15tCY + 50
ns
external fetch
Write data output time from RD
tRDWD
40
ns
Write data output time from WR
tWRWD
050
ns
Address hold time from WR
tWRADH
0.85tCY
1.15tCY + 40
ns
Delay time from WAIT
↑ to RD↑
tWTRD
1.15tCY + 40
3.15tCY + 40
ns
Delay time from WAIT
↑ to WR↑
tWTWR
1.15tCY + 30
3.15tCY + 30
ns
Remarks 1. MCS: Bit 0 of the oscillation mode selection register (OSMS)
2. PCC2 to PCC0: Bits 2 to 0 of the processor clock control register (PCC)
3. tCY = TCY/4
4. n indicates the number of waits.
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