ATMEL ATU18 352 0.18um ulc series with embedded dpram Datasheet

Features
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High Performance ULC Family Suitable for Latest CPLDs and FPGAs conversion
Very effective associated Physical synthesis/optimization Flow
From 45K Gates up to 1000K Gates Supported
From 55Kbit to 847Kbit DPRAM
Compatible with Xilinx and Altera Latest FPGA’s
Pin-count: Over 700 pins
VDD 1.8V +/- 0.15V for core; 1.8V, 2.5V, 3.3V for Periphery
Any Pin–out Matched
Full Range of Packages: PQFP/TQFP/VQFP, BGA/FLBGA, PGA/PPGA, QFN, CS
Available in Commercial, Industrial and Military Grades
0.18 um Drawn CMOS, 5 Metal Layers
Library Optimised for best Synthesis, Place & route and Testability Generation (ATPG)
High system clock Skew Control
250Mhz system clock, up to 400Mhz for local clock
Power on Reset, PLL, Multiplier
Standard 3, 6, 12, 24 mA I/Os
LVCMOS, LVTTL, GTL, HSTL, LVPECL, PCI & LVDS Interfaces
High Noise & EMC Immunity
Thick Oxide periphery Allowing Interface with 2.5V and 3.3V Environments
Description
0.18 um ULC
Series with
Embedded
DPRAM
ATU18
The ATU18 series of ULCs are fully suited for conversion of latest CPLDs and FPGAs.
It supports within one ULC 55Kbits to 847Kbits DPRAM and 45Kgates to 1000
Kgates. Typically, ULC die size is 50% smaller than the equivalent FPGA. Metal level
customisation allows a DPRAM blocks compatibility with Xilinx® or Altera® blocks.
Devices are implemented in high–performance 0.18 um CMOS technology to improve
the design frequency and reach 250Mhz typical application and local clock up to
400Mhz. The architecture of the ATU18 series is dedicated for efficient conversion of
latest CPLD and FPGA device types with higher IO count. A compact RAM cell and a
large number of available gates allow the implementation of memories compatible
with FPGA RAM, as well as JTAG boundary–scan and scan–path testing.
Conversion to the ATU18 series of ULC provides a significant reduction of the operating power when compared to the original PLD or FPGA. The ATU18 series has a very
low standby consumption, less than 0.145 nA/gate typically at commercial temperature. Operating consumption is a strict function of clock frequency, which typically
results in a significant power reduction depending on the device being compared. For
a NAND2 cell the dynamic power consumption is 0.124uW/MHz at 1.8V.
4318C–ULC–08/05
The ATU18 series provide several options for output buffers, including a variety of drive levels
up to 24mA. Schmitt trigger inputs are also available. A number of techniques are used to
improve noise immunity and to reduce EMC emissions, including several independent power
supply buses and internal decoupling for isolation.
The ATU18 series are designed to allow conversion of high performance 1.8V devices. Support
of mixed supply conversions is also possible, allowing optimal trade–offs between speed and
power consumption.
Array
Organization
Table 1. Matrices
Part Number
Max Pads
Gates
DPRAM bits
PLL
ATU18_680
680
1000K
847K
4
ATU18_600
600
720K
700K
4
ATU18_484
484
486K
460K
2
ATU18_432
432
330K
350K
2
ATU18_352
352
276K
221K
2
ATU18_304
304
171K
183K
2
ATU18_256
256
111K
147K
2
ATU18_160
160
45K
55K
1
Architecture
2
The ATMEL 0.18um matrices allow conversions of designs being developed on Altera/ApexApex™II Stratix® Cyclone™ or Xilinx/Virtex™, Spartan™ and CoolRunner™ families. Each matrix
contains configurable memory DPRAM blocks, PLLs (from 2 to 4) and Power-on-Reset. It can
also integrate a 1.8V regulator from 3.3V supply if no available 1.8V on the board. The associated Physical synthesis/optimization flow contributes to achieve high speed designs, even
improving drastically the application frequency and power consumption.
ATU18
4318C–ULC–08/05
ATU18
Figure 1. Atmel 0.18um matrix
supply rings
configurable
DPRAMs
core logic area
configurable
IO pads
PLLs
DPRAM
Description
For flexibility, the embedded DPRAMs blocks, using an ATMEL memory configuration tool, are
configured at customization Metal levels, in order to match behaviour and format of Xilinx or
Altera memories.
Figure 1. ATMEL Memory Configuration Tool
For test in production, a bist is systematically inserted, without degrading the performances. The
memories will be then automatically tested to provide high reliability.
3
4318C–ULC–08/05
Table 2. Dual Port Mode Configurations
Memory area 576k bits
4
Memory Area 18K bits
Port A
64kx9
64kx9
64kx9
64kx9
16kx1
16kx1
16kx1
16kx1
16kx1
16kx1
Port B
64kx9
32kx18
16kx36
8Kx72
16kx1
8kx2
4kx4
2kx9
1kx8
512x36
Port A
32kx18
32kx18
32kx18
8kx2
8kx2
8kx2
8kx2
8kx2
Port B
32kx18
16kx36
8kx72
8kx2
4kx4
2kx9
1kx18
512x36
Port A
16kx36
16kx36
4kx4
4kx4
4kx4
4kx4
Port B
16kx36
8kx72
4kx4
2kx9
1kx18
512x36
Port A
8kx72
2kx9
2kx9
2kx9
Port B
8kx72
2kx9
1kx18
512x36
Port A
4Kx144
1kx18
1kx18
Port B
4Kx144
1kx18
512x36
Port A
512x36
Port B
512x36
ATU18
4318C–ULC–08/05
ATU18
I/O Buffer
Interfacing
I/O Flexibility
All I/O buffers at the periphery may be configured as input, output, bi-directional and oscillator.
The IO power rings can be modified to allow clusterization (i.e. cluster at 1.8V cluster at 3.3V).
When core supply differs from periphery supply, level shifters are available in IO buffers, for
example in the following conditions:
3.3V I/O -> 1.8V core,
2.5V I/O->1.8V core.
Each LVTTL, LVCMOS, or Schmitt Trigger input can be programmed with or without a pull up or
pull down resistor or bus keeper. The Standard IO supported are given in table 3.
Fast Output Buffer are able to drive 3 to 24mA at 3.3V according to the chosen option. (higher
drive is achievable using two adjacent pads).
Table 3. Standard IO Supported
Standard IO
Comment
LVTTL
3.3V ( 3 to 24 mA)
LVCMOS
1.8V/2.5V/3.3V ( 3 to 24 mA)
PCI33
3.3V
PCI66
3.3V
GTL
3.3V
GTL+
3.3V
HSTL I, II, III, IV
input only
SSTL2 I, II
input only
SSTL3
input only
LVPECL
input only
LVDS
3.3V
5
4318C–ULC–08/05
PLL Description
ATMEL PLL is available for a large range of frequencies. It has an internal filter and no external
component is necessary.
Programming at customization level allows to choose between four ranges of VCO frequency as
shown in the table below:
FreqSelect1
FreqSlect0
VCO Frequency
0
0
66-90Mhz
0
1
90-160Mhz
1
0
155-300Mhz
1
1
280-500Mhz
Different outputs are also available, to ensure a wide variety of use. The drawing below shows
the IOs of the PLL.
VccPLL
FREQIN
OUT0
DIVOUT
OUT90
ENPLL
OUT180
FREQSELECT(1:0)
OUT270
ICP(1:0)
SYNC
OUTX0
VCOIN
OUTX180
ENVCOIN
SC1
OUT1
SC2
OUT2
SR1
SR2
LCK
VssPLL
Table 4. Pin Description
6
Pin Name
TYPE
I/O
Function
FREQIN
digital
I
Reference input frequency
DIVOUT
digital
I
Feedback input frequency
FREQSELECT(1:0)
digital
I
VCO frequency range select
SC2,SC1
digital
I
internal filter value select
ICP(1:0)
digital
I
Charge pump current select
ATU18
4318C–ULC–08/05
ATU18
Table 4. Pin Description
Pin Name
TYPE
I/O
Function
SR1, SR2
digital
I
internal filter value select
SYNC
digital
I
synchronization mode select
VCOIN
analog
I
VCO external input
ENVCOIN
digital
I
VCO external input select
OUT0
digital
O
0 degree phase shift of VCO freq divided by 4
OUT90
digital
O
90 degree phase shift of VCO freq divided by 4
OUT180
digital
O
180 degree phase shift of VCO freq divided by
4
OUT270
digital
O
270 degree phase shift of VCO freq divided by
4
OUTX0
digital
O
0 degree phase shift of VCO freq divided by 2
OUTX180
digital
O
180 degree phase shift of VCO freq divided by
2
OUT1
digital
O
VCO output
OUT2
digital
O
delayed VCO output from OUT1
LCK
digital
O
lock output
VCCPLL
power
I
VDD 1.8V pin
VSSPLL
power
I
VSS pin
VCO FREQUENCY
OUT1,OUT2
OUTX0, OUTX180
OUT[0,90,180,270]
66-90Mhz
66-90Mhz
33-45Mhz
16.5-22.5Mhz
90-160Mhz
90-160Mhz
45-80Mhz
22.5-40Mhz
155-300Mhz
155-300Mhz
77.5-150Mhz
38-75Mhz
280-500Mhz
280-500Mhz
140-250Mhz
70-125Mhz
7
4318C–ULC–08/05
PLL Applications
ATMEL PLL is configurable to support applications as:
- Clock tree delay reduction
- Zero delay buffer
- Phase shift
- Frequency synthesis
Clock Tree Delay
Reduction
Typically, clock tree synthesis is able to build a very performant clock tree (for example: 0.15ns
of skew for a clock tree connected to 25000 Flipflops). For that, however, the clock tree latency
is increased during clock tree insertion. To satisfy Tco propagation delay, the PLL can be used
to reduce and even remove the clock tree delay.
Frequency Synthesis
By adding dividers on input clock and feedback clock, the PLL can be used to multiply the input
frequency by a factor determined by the user, as illustrated below:
Figure 3. PLL Frequency Synthesis
CLKin
%M
freqin
divout
Phase
Charge
comp
Pump
PLL
VCO
%2
outx0
CLKout
%N
For example, with a 32Mhz input clock, to generate a 160 Mhz frequency clock on the output
outx0, it is necessary to set the input clock divider M to 1 and the feed-back clock divider N to 10.
8
ATU18
4318C–ULC–08/05
ATU18
Atmel Flow
With 0.18um technology, ATMEL has introduced Physical synthesis to optimize design
speed. Physical synthesis takes into account the placement and the routing of the cells, and the
optimization in incremental mode can be done on the full design or only partially. The result is
that ATMEL has faster chips, using the same RTL code. Less iterations are necessary and the
timings target is quickly reached.
Customer Pinout
ATMEL Bonding
diagram
Customer Timing
constraints
Customer RTL
Code
SYNTHESIS
Timing , Power OPT
ATMEL
NETLIST
Formal Proof
SCAN, JTAG,
BIST
NETLIST for
Layout
Clock Tree
synthesis
Route
PHYSICAL SYNTHESIS
Placement
Post layout Simulations,
Timing & power Analysis
DRC - LVS
TAPE OUT
9
4318C–ULC–08/05
ATU18 Packages
The following packages are supported:
ATU18_680
ATU18_600
ATU18_484
ATU18_432
ATU18_352
ATU18_304
ATU18_256
ATU18_160
100 TQFP
144 TQFP
100 PQFP
160 PQFP
208 PQFP
240 PQFP
304 PQFP
100 FLBGA
144 FLBGA
256 FLBGA
324 FLBGA
456 FLBGA
484 FLBGA
556 FLBGA
672 FLBGA
676 FLBGA
680 FLBGA
780 FLBGA
860 FLBGA
900 FLBGA
1020 FLBGA
1156 FLBGA
1508 FLBGA
225 BGA
256 BGA
313 BGA
329 BGA
352 BGA
356 BGA
432 BGA
560 SBGA
600 SBGA
652 SBGA
gray cells : supported package configuration
Remark: Other package and package/matrix configurations can be supported upon request
10
ATU18
4318C–ULC–08/05
ATU18
Electrical Characteristics
Absolute Maximum Ratings*
Operating Temperature
Commercial..........................................................0° to 70°C
Industrial............................................................-40° to 85°C
Military...............................................................-55° to 125°C
Max Supply Core Voltage (VDD)..........................1.95 V
Max Supply Periphery Voltage (VCC)...................3.6V
3.3V Tolerant/Compliant.....................................Vcc +0.3V
Pad pullup resistor.............................................100Kohms
*NOTICE:
Stresses at or above those listed under “Absolute
Maximum Ratings” may cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions above those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions may affect device reliability.
This value is based on the maximum allowable
die temperature and the thermal resistance of
the package.
Pad pulldown resistor........................................100Kohms
Output buffer drive range....................................3 to 24 mA
leakage current at Temp=25C..............................0.145nA/gate
NAND2 dynamic power consumption......0.124uW/MHz at 1.8V
Storage Temperature...........................................-65° to 150°C
PLL Specifications
Operating Modes
-
Clock tree reduction
Zero delay buffer
Phase shift
Frequency synthesis
VCO range ..........................................66Mhz to 500Mhz
OUT1, OUT2 output range..................66Mhz to 500 Mhz
OUTX0, OUTX180 ouput range............33Mhz to 250 Mhz
OUT0,90,180,270 output range...........16.5Mhz to 125Mhz
VDDPLL supply ...................................1.8V +- 10%
11
4318C–ULC–08/05
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