参数资料
型号: XCV812E-7BG560C
厂商: Xilinx Inc
文件页数: 45/118页
文件大小: 0K
描述: IC FPGA 1.8V C-TEMP 560-MBGA
产品变化通告: FPGA Family Discontinuation 18/Apr/2011
标准包装: 1
系列: Virtex®-E EM
LAB/CLB数: 4704
逻辑元件/单元数: 21168
RAM 位总计: 1146880
输入/输出数: 404
门数: 254016
电源电压: 1.71 V ~ 1.89 V
安装类型: 表面贴装
工作温度: 0°C ~ 85°C
封装/外壳: 560-LBGA,金属
供应商设备封装: 560-MBGA(42.5x42.5)
Virtex-E 1.8 V Extended Memory Field Programmable Gate Arrays
Module 2 of 4
DS025-2 (v3.0) March 21, 2014
28
R
— OBSOLETE — OBSOLETE — OBSOLETE — OBSOLETE —
At the third rising edge of CLKA, the TBCCS parameter is
violated with two writes to memory location 0x0F. The DOA
and DOB busses reflect the contents of the DIA and DIB
busses, but the stored value at 0x0F is invalid.
At the fourth rising edge of CLKA, a read operation is per-
formed at memory location 0x0F and invalid data is present
on the DOA bus. Port B also executes a read operation to
memory location 0x0F and also reads invalid data.
At the fifth rising edge of CLKA a read operation is per-
formed that does not violate the TBCCS parameter to the
previous write of 0x7E by Port B. THe DOA bus reflects the
recently written value by Port B.
Figure 33: Timing Diagram for Single Port Block SelectRAM+ Memory
ds022_0343_121399
CLK
TBPWH
TBACK
ADDR
00
DDDD
MEM (00)
CCCC
MEM (7E)
0F
CCCC
7E
8F
BBBB
2222
DIN
DOUT
EN
RST
WE
DISABLED
READ
WRITE
READ
DISABLED
TBDCK
TBECK
TBWCK
TBCKO
TBPWL
Figure 34: Timing Diagram for a True Dual-port Read/Write Block SelectRAM+ Memory
ds022_035_121399
CLK_A
PORT
A
PORT
B
ADDR_A
00
7E
0F
00
7E
1A
0F
7E
AAAA
9999
AAAA
0000
1111
2222
AAAA
9999
AAAA
UNKNOWN
EN_A
WE_A
DI_A
DO_A
1111
2222
FFFF
BBBB
1111
AAAA
MEM (00)
9999
2222
FFFF
BBBB
UNKNOWN
CLK_B
ADDR_B
EN_B
WE_B
DI_B
DO_B
TBCCS
VIOLATION
TBCCS
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