参数资料
| 型号： | XC3020A-7PC84C |
| 厂商： | Xilinx Inc |
| 文件页数： | 10/76页 |
| 文件大小： | 0K |
| 描述： | IC LOGIC CL ARRAY 2000GAT 84PLCC |
| 产品变化通告： | Product Discontinuation 27/Apr/2010 |
| 标准包装： | 1 |
| 系列： | XC3000A/L |
| LAB/CLB数： | 64 |
| RAM 位总计： | 14779 |
| 输入/输出数： | 64 |
| 门数： | 1500 |
| 电源电压： | 4.75 V ~ 5.25 V |
| 安装类型： | 表面贴装 |
| 工作温度： | 0°C ~ 85°C |
| 封装/外壳： | 84-LCC（J 形引线） |
| 供应商设备封装： | 84-PLCC |
| 其它名称： | 122-1010 |
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R
XC3000 Series Field Programmable Gate Arrays
7-20
November 9, 1998 (Version 3.1)
A re-program is initiated.when a configured XC3000 series
device senses a High-to-Low transition and subsequent >6
s Low level on the DONE/PROG package pin, or, if this
pin is externally held permanently Low, a High-to-Low tran-
sition and subsequent >6
s Low time on the RESET pack-
age pin.
The device returns to the Clear state where the configura-
tion memory is cleared and mode lines re-sampled, as for
an aborted configuration. The complete configuration pro-
gram is cleared and loaded during each configuration pro-
gram cycle.
Length count control allows a system of multiple Field Pro-
grammable Gate Arrays, of assorted sizes, to begin opera-
tion in a synchronized fashion. The configuration program
generated by the development system begins with a pre-
amble of 111111110010 followed by a 24-bit length count
representing the total number of configuration clocks
needed to complete loading of the configuration pro-
gram(s). The data framing is shown in Figure 21. All
FPGAs connected in series read and shift preamble and
length count in on positive and out on negative configura-
tion clock edges. A device which has received the pream-
ble and length count then presents a High Data Out until it
has intercepted the appropriate number of data frames.
When the configuration program memory of an FPGA is full
and the length count does not yet compare, the device
shifts any additional data through, as it did for preamble
and length count. When the FPGA configuration memory is
full and the length count compares, the device will execute
11111111
0010
< 24-Bit Length Count >
1111
0 <Data Frame # 001 > 111
0 <Data Frame # 002 > 111
0 <Data Frame # 003 > 111
.
0 <Data Frame # 196 > 111
0 <Data Frame # 197 > 111
1111
—Dummy Bits*
—Preamble Code
—Configuration Program Length
—Dummy Bits (4 Bits Minimum)
For XC3120
197 Configuration Data Frames
(Each Frame Consists of:
A Start Bit (0)
A 71-Bit Data Field
Three Stop Bits
Postamble Code (4 Bits Minimum)
Header
Program Data
Repeated for Each Logic
Cell Array in a Daisy Chain
*The LCA Device Require Four Dummy Bits Min; Software Generates Eight Dummy Bits
X5300_01
Figure 21: Internal Configuration Data Structure for an FPGA. This shows the preamble, length count and data
frames generated by the Development System.
The Length Count produced by the program = [(40-bit preamble + sum of program data + 1 per daisy chain device)
rounded up to multiple of 8] – (2
≤ K ≤ 4) where K is a function of DONE and RESET timing selected. An additional 8 is
added if roundup increment is less than K. K additional clocks are needed to complete start-up after length count is
reached.
Device
XC3020A
XC3020L
XC3120A
XC3030A
XC3030L
XC3130A
XC3042A
XC3042L
XC3142A
XC3142L
XC3064A
XC3064L
XC3164A
XC3090A
XC3090L
XC3190A
XC3190L
XC3195A
Gates
1,000 to 1,500
1,500 to 2,000
2,000 to 3,000
3,500 to 4,500
5,000 to 6,000
6,500 to 7,500
CLBs
64
100
144
224
320
484
Row x Col
(8 x 8)
(10 x 10)
(12 x 12)
(16 x 14)
(20 x 16)
(22 x 22)
IOBs
64
80
96
120
144
176
Flip-flops
256
360
480
688
928
1,320
Horizontal Longlines
16
20
24
32
40
44
TBUFs/Horizontal LL
9
11
13
15
17
23
Bits per Frame
(including1 start and 3 stop bits)
75
92
108
140
172
188
Frames
197
241
285
329
373
505
Program Data =
Bits x Frames + 4 bits
(excludes header)
14,779
22,176
30,784
46,064
64,160
94,944
PROM size (bits) =
Program Data
+ 40-bit Header
14,819
22,216
30,824
46,104
64,200
94,984
Product Obsolete or Under Obsolescence
相关PDF资料 |
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| AYM43DTBS-S189 | CONN EDGECARD 86POS R/A .156 SLD |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| XC3020A-7PC84C0100 | 制造商:Xilinx 功能描述: |
| XC3020A-7PC84I | 制造商:Xilinx 功能描述: |
| XC3020A-7PCG68C | 制造商:Xilinx 功能描述: |
| XC3020A-7PQ100C | 制造商:XILINX 制造商全称:XILINX 功能描述:Field Programmable Gate Arrays (XC3000A/L, XC3100A/L) |
| XC3020A-7PQ100I | 制造商:Xilinx 功能描述: |
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