AFS250-FGG256 Actel, AFS250-FGG256 Datasheet - Page 60
AFS250-FGG256
Manufacturer Part Number
AFS250-FGG256
Description
FPGA - Field Programmable Gate Array 250K System Gates
Manufacturer
Actel
Datasheet
1.AFS600-PQG208.pdf
(330 pages)
Specifications of AFS250-FGG256
Processor Series
AFS250
Core
IP Core
Maximum Operating Frequency
1098.9 MHz
Number Of Programmable I/os
114
Data Ram Size
36864
Supply Voltage (max)
1.575 V
Maximum Operating Temperature
+ 70 C
Minimum Operating Temperature
0 C
Development Tools By Supplier
AFS-Eval-Kit, AFS-BRD600, FlashPro 3, FlashPro Lite, Silicon-Explorer II, Silicon-Sculptor 3, SI-EX-TCA
Mounting Style
SMD/SMT
Supply Voltage (min)
1.425 V
Number Of Gates
250 K
Package / Case
FPBGA-256
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AFS250-FGG256
Manufacturer:
Actel
Quantity:
135
Company:
Part Number:
AFS250-FGG256
Manufacturer:
ACTEL
Quantity:
6 800
Company:
Part Number:
AFS250-FGG256I
Manufacturer:
Microsemi SoC
Quantity:
10 000
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Device Architecture
Figure 2-33 • Flash Memory Block Diagram
2- 44
OVERWRITEPROTECT
PAGELOSSPROTECT
UNPROTECTPAGE
OVERWRITEPAGE
DATAWIDTH[1:0]
LOCKREQUEST
DISCARDPAGE
PAGESTATUS
ERASEPAGE
SPAREPAGE
ADDDR[17:0]
STATUS[1:0]
READNEXT
AUXBLOCK
PROGRAM
WD[31 :0]
RD[31:0]
RESET
BUSY
Flash Memory Block Diagram
A simplified diagram of the flash memory block is shown in
The logic consists of the following sub-blocks:
The FB stores error correction information with each block to perform single-bit error correction and
double-bit error detection on all data blocks.
WEN
PIPE
REN
CLK
•
•
•
•
Flash Array
Contains all stored data. The flash array contains 64 sectors, and each sector contains 33 pages
of data.
Page Buffer
A page-wide volatile register. A page contains 8 blocks of data and an AUX block.
Block Buffer
Contains the contents of the last block accessed. A block contains 128 data bits.
ECC Logic
Output
MUX
Control
Logic
Block Buffer
(128 bits)
R e visio n 1
ECC
Logic
Figure
Page Buffer = 8 Blocks
Plus AUX Block
2-33.
Flash Array = 64 Sectors
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