参数资料
型号: XA3S1400A-4FGG484I
厂商: Xilinx Inc
文件页数: 51/57页
文件大小: 0K
描述: IC FPGA SPARTAN3A 1400K 484-FBGA
标准包装: 60
系列: Spartan®-3A XA
LAB/CLB数: 2816
逻辑元件/单元数: 25344
RAM 位总计: 589824
输入/输出数: 375
门数: 1400000
电源电压: 1.14 V ~ 1.26 V
安装类型: 表面贴装
工作温度: -40°C ~ 100°C
封装/外壳: 484-BBGA
供应商设备封装: 484-FBGA
XA Spartan-3A Automotive FPGA Family Data Sheet
DS681 (v2.0) April 22, 2011
Product Specification
55
Table 54: Configuration Timing Requirements for Attached Parallel NOR Flash
Symbol
Description
Requirement
Units
TCE
(tELQV)
Parallel NOR Flash PROM chip-select time
ns
TOE
(tGLQV)
Parallel NOR Flash PROM output-enable time
ns
TACC
(tAVQV)
Parallel NOR Flash PROM read access time
ns
TBYTE
(tFLQV, tFHQV)
For x8/x16 PROMs only: BYTE# to output valid time(3)
ns
Notes:
1.
These requirements are for successful FPGA configuration in BPI mode, where the FPGA generates the CCLK signal. The
post-configuration timing can be different to support the specific needs of the application loaded into the FPGA.
2.
Subtract additional printed circuit board routing delay as required by the application.
3.
The initial BYTE# timing can be extended using an external, appropriately sized pull-down resistor on the FPGA’s LDC2 pin. The resistor
value also depends on whether the FPGA’s PUDC_B pin is High or Low.
T
CE
T
INITADDR
T
OE
T
INITADDR
T
ACC
50%T
CCLKn min
T
CCO
T
DCC
PCB
T
BYTE
T
INITADDR
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