参数资料
型号: QL5822-33APT280C
厂商: QUICKLOGIC CORP
元件分类: 总线控制器
英文描述: PCI BUS CONTROLLER, PBGA280
封装: 17 X 17 MM, 1.50 MM HEIGHT, 0.80 MM PITCH, PLASTIC, MO-205, LFBGA-280
文件页数: 3/76页
文件大小: 1128K
代理商: QL5822-33APT280C
2007 QuickLogic Corporation
QL58x2 Enhanced QuickPCI Family Data Sheet Rev. L
11
Figure 3: QL58x2 Device Family Logic Cell
RAM Modules
The QL58x2 device family includes up to 24 dual-port 2,304-bit RAM modules for implementing RAM, ROM,
and FIFO functions. Each module is user-configurable into two different block organizations and can be
cascaded horizontally to increase their effective width, or vertically to increase their effective depth as shown
Figure 4: 2,304-bit RAM Module
The number of RAM modules varies from 4 to 24 blocks for a total of 9.2 K to 55.3 K bits of RAM. Using
the two “mode” pins, designers can configure each module into 128 x 18 and 256 x 9. The blocks are also
easily cascadable to increase their effective width and/or depth (see Figure 5
).
QS
A1
A2
A3
A4
A5
A6
OS
OP
B1
B2
C1
C2
MS
D1
E1
NP
E2
D2
NS
F1
F3
F5
F6
F2
F4
PS
PP
MP
AZ
OZ
QZ
NZ
FZ
Q2Z
QC
QR
MODE[1:0]
WA[7:0]
WD[17:0]
WE
WCLK
ASYNCRD
RA[7:0]
RD[17:0]
RE
RCLK
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