參數(shù)資料
型號: OR3L225B
廠商: Lineage Power
英文描述: Field-Programmable Gate Arrays(現(xiàn)場可編程門陣列)
中文描述: 現(xiàn)場可編程門陣列(現(xiàn)場可編程門陣列)
文件頁數(shù): 17/88頁
文件大?。?/td> 2015K
代理商: OR3L225B
Lucent Technologies Inc.
17
Data Addendum
December 1999
ORCA OR3LxxxB Series FPGAs
Timing Characteristics
(continued)
Table 8. Synchronous Memory Write Characteristics
OR3LxxB Commercial: V
DD
= 3.0 V to 3.6 V, V
DD
2 = 2.38 V to 2.63 V, 0 °C
<
T
A
<
70 °C; Industrial: V
DD
= 3.0 V
to 3.6 V, V
DD
2 = 2.38 V to 2.63 V, –40 °C
<
T
A
<
+85 °C.
* The RAM is written on the inactive clock edge following the active edge that latches the address, data, and control signals.
Note: The table shows worst-case delays. ORCAFoundry reports the delays for individual paths within a group of paths representing the same
timing parameter and may accurately report delays that are less than those listed.
5-4621 (F)b
Figure 4. Synchronous Memory Write Characteristics
Symbol
Parameter
-7
-8
Unit
Min
Max
Min
Max
Write Operation for RAM Mode
SMCLK_FRQ
SMCLKL_MPW
SMCLKH_MPW
MEM_DEL
Write Operation Setup Time
WA4_SET
WA_SET
WD_SET
WE_SET
WPE0_SET
WPE1_SET
Write Operation Hold Time
WA4_HLD
WA_HLD
WD_HLD
WE_HLD
WPE0_HLD
WPE1_HLD
Maximum Frequency
Clock Low Time
Clock High Time
Clock to Data Valid (CLK to F[6, 4, 2, 0])*
1.03
1.96
266.4
4.39
0.90
1.71
333.0
3.82
MHz
ns
ns
ns
Address to Clock (CIN to CLK)
Address to Clock (DIN[7, 5, 3, 1] to CLK)
Data to Clock (DIN[6, 4, 2, 0] to CLK)
Write Enable (WREN) to Clock (ASWE to CLK)
Write-port Enable 0 (WPE0) to Clock (CE to CLK)
Write-port Enable 1 (WPE1) to Clock (LSR to CLK)
0.68
0.35
0.21
0.37
0.87
1.10
0.59
0.30
0.18
0.32
0.75
0.95
ns
ns
ns
ns
ns
ns
Address from Clock (CIN from CLK)
Address from Clock (DIN[7, 5, 3, 1] from CLK)
Data from Clock (DIN[6, 4, 2, 0] from CLK)
Write Enable (WREN) from Clock (ASWE from CLK)
Write-port Enable 0 (WPE0) from Clock (CE from CLK)
Write-port Enable 1 (WPE1) from Clock (LSR from CLK)
0.0
0.0
0.33
0.0
0.0
0.0
0.0
0.0
0.29
0.0
0.0
0.0
ns
ns
ns
ns
ns
ns
CK
F[6, 4, 2, 0]
CIN, DIN[7, 5, 3, 1]
DIN[6, 4, 2, 0]
MEM_DEL
WA4_SET
WA_SET
ASWE (WREN)
CE (WPE0),
LSR(WPE1)
SMCLKH_MPW
SMCLKL_MPW
WA4_HLD
WA_HLD
WD_SET
WD_HLD
WE_SET
WE_HLD
WPE0_SET
WPE1_SET
WPE0_HLD
WPE1_HLD
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