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Spartan-IIE 1.8V FPGA
Automotive XA Product Family:
Introduction and Ordering
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Introduction
The Xilinx Automotive (XA) Spartan™-IIE 1.8V Field-Programmable Gate Array family is specifically designed to
meet the needs of high-volume, cost-sensitive automotive
electronic applications. The family gives users high performance, abundant logic resources, and a rich feature set, all
at an exceptionally low price. The five-member family offers
densities ranging from 50,000 to 300,000 system gates, as
shown in Table 1. System performance is supported beyond
200 MHz.
Product Specification
•
Guaranteed to meet full electrical specifications over
TJ = –40°C to +125°C
•
Second generation ASIC replacement technology
- Densities as high as 6,912 logic cells with up to
300,000 system gates
- Very low cost
System-level features
- SelectRAM+™ hierarchical memory:
·
16 bits/LUT distributed RAM
·
Configurable 4K-bit true dual-port block RAM
·
Fast interfaces to external RAM
- Dedicated carry logic for high-speed arithmetic
- Efficient multiplier support
- Cascade chain for wide-input functions
- Abundant registers/latches with enable, set, reset
- Four dedicated DLLs for advanced clock control
·
Eliminate clock distribution delay
·
Multiply, divide, or phase shift
- Four primary low-skew global clock distribution nets
- IEEE 1149.1 compatible boundary scan logic
Versatile I/O and packaging
- Low-cost packages available in all densities
- 19 high-performance interface standards
·
LVTTL, LVCMOS, HSTL, SSTL, AGP, CTT, GTL
·
LVDS and LVPECL differential I/O
- Up to 120 differential I/O pairs that can be input,
output, or bidirectional
Fully supported by powerful Xilinx ISE development
system
- Fully automatic mapping, placement, and routing
- Integrated with design entry and verification tools
- Extensive IP library including DSP functions
•
Spartan-IIE devices deliver more gates, I/Os, and features
per dollar than other FPGAs by combining advanced process technology with a streamlined architecture based on
the proven Virtex™-E platform. Features include block RAM
(to 64K bits), distributed RAM (to 98,304 bits), 19 selectable
I/O standards, and four DLLs (Delay-Locked Loops). Fast,
predictable interconnect means that successive design iterations continue to meet timing requirements.
XA devices are available in both the extended-temperature
Q-grade (-40°C to +125°C) and industrial I-grade (-40°C to
+100°C) and are qualified to the industry-recognized
AEC-Q100 standard.
The XA Spartan-IIE family is a superior alternative to
mask-programmed ASICs. The FPGA avoids the initial cost,
lengthy development cycles, and inherent risk of conventional ASICs. Also, FPGA programmability permits design
upgrades in the field with no hardware replacement necessary (impossible with ASICs).
•
•
Features
•
AEC-Q100 device qualification and full PPAP support
available in both extended temperature Q-grade and
I-grade
Table 1: XA Spartan-IIE FPGA Family Members
Device
Logic
Cells
Typical
System Gate Range
(Logic and RAM)
CLB
Array
(R x C)
Total
CLBs
Maximum
Available
User I/O(1)
Maximum
Differential
I/O Pairs
Distributed
RAM Bits
Block
RAM Bits
XA2S50E
1,728
23,000 - 50,000
16 x 24
384
102
83
24,576
32K
XA2S100E
2,700
37,000 - 100,000
20 x 30
600
102
86
38,400
40K
XA2S150E
3,888
52,000 - 150,000
24 x 36
864
182
114
55,296
48K
XA2S200E
5,292
71,000 - 200,000
28 x 42
1,176
182
120
75,264
56K
XA2S300E
6,912
93,000 - 300,000
32 x 48
1,536
182
120
98,304
64K
Notes:
1. User I/O counts include the four global clock/user input pins. See details in Table 3, page 5
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Spartan-IIE 1.8V FPGA Automotive XA Product Family: Introduction and Ordering
General Overview
The Spartan-IIE family of FPGAs have a regular, flexible,
programmable architecture of Configurable Logic Blocks
(CLBs), surrounded by a perimeter of programmable
Input/Output Blocks (IOBs). There are four Delay-Locked
Loops (DLLs), one at each corner of the die. Two columns
of block RAM lie on opposite sides of the die, between the
CLBs and the IOB columns. The XC2S400E has four columns of block RAM. These functional elements are interconnected by a powerful hierarchy of versatile routing
channels (see Figure 1).
Spartan-IIE FPGAs are customized by loading configuration data into internal static memory cells. Unlimited reprogramming cycles are possible with this approach. Stored
values in these cells determine logic functions and interconnections implemented in the FPGA. Configuration data can
be read from an external serial PROM (master serial mode),
or written into the FPGA in slave serial, slave parallel, or
Boundary Scan modes.
Spartan-IIE FPGAs are typically used in high-volume applications where the versatility of a fast programmable solution
adds benefits. Spartan-IIE FPGAs are ideal for shortening
product development cycles while offering a cost-effective
solution for high volume production.
Spartan-IIE FPGAs achieve high-performance, low-cost
operation through advanced architecture and semiconduc-
2
tor technology. Spartan-IIE devices provide system clock
rates beyond 200 MHz. Spartan-IIE FPGAs offer the most
cost-effective solution while maintaining leading edge performance. In addition to the conventional benefits of
high-volume programmable logic solutions, Spartan-IIE
FPGAs also offer on-chip synchronous single-port and
dual-port RAM (block and distributed form), DLL clock drivers, programmable set and reset on all flip-flops, fast carry
logic, and many other features.
Spartan-IIE Family Compared to Spartan-II
Family
•
•
•
•
•
•
•
Higher density and more I/O
Higher performance
Unique pinouts in cost-effective packages
Differential signaling
- LVDS, Bus LVDS, LVPECL
VCCINT = 1.8V
- Lower power
- 5V tolerance with external resistor
- 3V tolerance directly
LVTTL and LVCMOS2 input buffers powered by VCCO
instead of VCCINT
Unique larger bitstream
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Spartan-IIE 1.8V FPGA Automotive XA Product Family: Introduction and Ordering
DLL
BLOCK RAM
BLOCK RAM
BLOCK RAM
BLOCK RAM
DLL
DLL
DLL
I/O LOGIC
DS077_01_052102
Figure 1: Basic Spartan-IIE Family FPGA Block Diagram
DC Specifications
Absolute Maximum Ratings (1)
Symbol
Description
Min
Max
Units
VCCINT
Supply voltage relative to GND
–0.5
2.0
V
VCCO
Supply voltage relative to GND
–0.5
4.0
V
VREF
Input reference voltage
–0.5
4.0
V
–0.5
4.05
V
GND (2,3)
VIN
Input voltage relative to
VTS
Voltage applied to 3-state output (3)
–0.5
4.0
V
TSTG
Storage temperature (ambient)
–65
+150
°C
-
+135
°C
TJ
Junction temperature
Notes:
1. Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress
ratings only, and functional operation of the device at these or any other conditions beyond those listed under Operating Conditions
is not implied. Exposure to Absolute Maximum Ratings conditions for extended periods of time may affect device reliability.
2. VIN should not exceed VCCO by more than 3.6V over extended periods of time (e.g., longer than a day).
3. Maximum DC overshoot must be limited to either VCCO + 0.5V or 10 mA, and undershoot must be limited to –0.5V or 10 mA,
whichever is easier to achieve. The Maximum AC conditions are as follows: The device pins may undershoot to –2.0V or overshoot
to VCCO + 2.0V, provided this over/undershoot lasts no more than 11 ns with a forcing current no greater than 100 mA.
4. For soldering guidelines, see the Packaging Information on the Xilinx Web site.
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Spartan-IIE 1.8V FPGA Automotive XA Product Family: Introduction and Ordering
Recommended Operating Conditions
Symbol
TJ
Description
Junction temperature
Min
Max
Units
–40
125
°C
VCCINT
Supply voltage relative to GND (1)
1.8 – 5%
1.8 + 5%
V
VCCO
Supply voltage relative to GND (2)
1.2
3.6
V
-
250
ns
TIN
Input signal transition time (3)
Notes:
1. Functional operation is guaranteed down to a minimum VCCINT of 1.62V (Nominal VCCINT –10%). For every 50 mV reduction in VCCINT
below 1.71V (nominal VCCINT –5%), all delay parameters increase by 3%.
2. Minimum and maximum values for VCCO vary according to the I/O standard selected.
3. Input and output measurement threshold is ~50% of VCCO.
DC Characteristics Over Operating
Conditions
Symbol
Description
Quiescent V CCINT supply current(1)
ICCINTQ
Min
Max
Units
XA2S50E
-
200
mA
XA2S100E
-
350
mA
XA2S150E
-
450
mA
XA2S200E
-
550
mA
XA2S300E
-
650
mA
Notes:
1. With no output current loads, no active pull-up resistors, and all I/O pins 3-stated and floating.
Spartan-IIE Product Availability
Table 2 shows the package and speed grades available for
Spartan-IIE family devices. Table 3 shows the maximum
user I/Os available on the device and the number of user
I/Os available for each device/package combination.
Table 2: Spartan-IIE Package and Speed Grade Availability
Pins
144
256
Type
Plastic TQFP
Fine Pitch
BGA
Device
Code
TQ144
FT256
XA2S50E
-6
I,Q
XA2S100E
-6
I,Q
XA2S150E
-6
-
I,Q
XA2S200E
-6
-
I,Q
XA2S300E
-6
-
I,Q
Notes:
1. Q = –40°C to +125°C (TJ)
2. I = –40°C to +100°C (TJ)
4
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Spartan-IIE 1.8V FPGA Automotive XA Product Family: Introduction and Ordering
Table 3: Spartan-IIE User I/O Chart
Device
Maximum User
I/O
XA2S50E
Available User I/O
According to Package Type
TQ144
FT256
102
102
-
XA2S100E
102
102
-
XA2S150E
182
-
182
XA2S200E
182
-
182
XA2S300E
182
-
182
Ordering Information
Example:
XA2S50E -6 TQ 144 Q
Device Type
Temperature Range
Number of Pins
Speed Grade
Package Type
Device Ordering Options
Device
XA2S50E
Speed Grade
-6 Standard Performance
XA2S100E
Package Type / Number of Pins
Temperature Range (TJ )
TQ144 144-pin Plastic Thin QFP
Q = Automotive
Extended
–40°C to +125°C
FT256
I = Automotive
Industrial
–40°C to +100°C
256-ball Fine Pitch BGA
XA2S150E
XA2S200E
XA2S300E
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Spartan-IIE 1.8V FPGA Automotive XA Product Family: Introduction and Ordering
Revision History
6
Version
Date
Description
1.0
07/17/2002
Initial Xilinx release.
1.1
11/18/2002
Added XC2S400-E and XC2S600-E devices. Added FG676 to package list.
1.2
11/26/2002
Updated Max User I/O and Differential I/O Pairs in Table 1 and Max User I/O in Table 3.
Updated notes for Recommended Operating Conditions.
1.3
06/04/2003
Changed five-member family to seven-member family in first paragraph.
1.4
06/16/2003
Updated features list. Added DC Characteristics Over Operating Conditions table. Deleted
“FG676” from Table 2, Table 3, and the Device Ordering Options section.
1.5
07/16/2003
Updated features list, Table 1, DC Characteristics Over Operating Conditions table, and
Table 3.
1.6
09/24/2003
Updated title to read "Product Specification" (removed "Advance")
1.7
10/18/2004
Extensive edits to update family from IQ to XA
2.0
08/09/2013
This product is obsolete/discontinued per XCN12026.
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Product Specification