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3C and 3T Field-Programmable Gate Arrays



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Agere Systems
OR3T30 데이터시트, 핀배열, 회로
Data Sheet
June 1999
ORCA® Series 3C and 3T
Field-Programmable Gate Arrays
Features
s High-performance, cost-effective, 0.35 µm (OR3C) and
0.3 µm (OR3T) 4-level metal technology, (4- or 5-input
look-up table delay of 1.1 ns with -7 speed grade in
0.3 µm).
s Same basic architecture as lower-voltage, advanced
process technology Series 3 architectures. (See ORCA
Series 3L FPGA documentation.)
s Up to 186,000 usable gates.
s Up to 452 user I/Os. (OR3Txxx I/Os are 5 V tolerant to
allow interconnection to both 3.3 V and 5 V devices,
selectable on a per-pin basis.)
s Pin selectable I/O clamping diodes provide 5 V or 3.3 V
PCI compliance and 5 V tolerance on OR3Txxx devices.
s Twin-quad programmable function unit (PFU) architec-
ture with eight 16-bit look-up tables (LUTs) per PFU,
organized in two nibbles for use in nibble- or byte-wide
functions. Allows for mixed arithmetic and logic functions
in a single PFU.
s Nine user registers per PFU, one following each LUT,
plus one extra. All have programmable clock enable and
local set/reset, plus a global set/reset that can be dis-
abled per PFU.
s Flexible input structure (FINS) of the PFUs provides a
routability enhancement for LUTs with shared inputs and
the logic flexibility of LUTs with independent inputs.
s Fast-carry logic and routing to adjacent PFUs for nibble-,
byte-wide, or longer arithmetic functions, with the option
to register the PFU carry-out.
s Softwired LUTs (SWL) allow fast cascading of up to
three levels of LUT logic in a single PFU for up to 40%
speed improvement.
s Supplemental logic and interconnect cell (SLIC) provides
3-statable buffers, up to 10-bit decoder, and PAL*-like
AND-OR with optional INVERT in each programmable
logic cell (PLC), with over 50% speed improvement typi-
cal.
s Abundant hierarchical routing resources based on rout-
ing two data nibbles and two control lines per set provide
for faster place and route implementations and less rout-
ing delay.
s TTL or CMOS input levels programmable per pin for the
OR3Cxx (5.0 V) devices.
s Individually programmable drive capability:
12 mA sink/6 mA source or 6 mA sink/3 mA source.
s Built-in boundary scan (IEEE 1149.1 JTAG) and
TS_ALL testability function to 3-state all I/O pins.
s Enhanced system clock routing for low skew, high-speed
clocks originating on-chip or at any I/O.
s Up to four ExpressCLK inputs allow extremely fast clock-
ing of signals on- and off-chip plus access to internal
general clock routing.
s StopCLK feature to glitchlessly stop/start ExpressCLKs
independently by user command.
s Programmable I/O (PIO) has:
— Fast-capture input latch and input flip-flop (FF) latch
for reduced input setup time and zero hold time.
— Capability to (de)multiplex I/O signals.
— Fast access to SLIC for decodes and PAL-like
functions.
— Output FF and two-signal function generator to
reduce CLK to output propagation delay.
— Fast open-drain dive capability
— Capability to register 3-state enable signal.
s Baseline FPGA family used in Series 3+ FPSCs (field
programmable system chips) which combine FPGA logic
and standard cell logic on one device.
* PAL is a trademark of Advanced Micro Devices, Inc.
IEEE is a registered trademark of The Institute of Electrical and
Electronics Engineers, Inc.
Table 1. ORCA Series 3 (3C and 3T) FPGAs
Device
OR3T20
OR3T30
OR3C/3T55
OR3C/3T80
OR3T125
System
Gates
36K
48K
80K
116K
186K
LUTs Registers Max User RAM User I/Os Array Size
1152
1568
2592
3872
6272
1872
2436
3780
5412
8400
18K
25K
42K
62K
100K
196 12 x 12
228 14 x 14
292 18 x 18
356 22 x 22
452 28 x 28
Process
Technology
0.3 µm/4 LM
0.3 µm/4 LM
0.3 µm/4 LM
0.3 µm/4 LM
0.3 µm/4 LM
‡ The system gate counts range from a logic-only gate count to a gate count assuming 30% of the PFUs/SLICs being used as RAMs.
The logic-only gate count includes each PFU/SLIC (counted as 108 gates per PFU/SLIC), including 12 gates per LUT/FF pair (eight per
PFU), and 12 gates per SLIC/FF pair (one per PFU). Each of the four PIOs per PIC is counted as 16 gates (two FFs, fast-capture latch,
output logic, CLK drivers, and I/O buffers). PFUs used as RAM are counted at four gates per bit, with each PFU capable of implementing
a 32 x 4 RAM (or 512 gates) per PFU.


OR3T30 데이터시트, 핀배열, 회로
ORCA Series 3C and 3T FPGAs
Data Sheet
June 1999
Contents
Table of Contents
Page Contents
Page
Features ......................................................................1
System-Level Features................................................6
Description...................................................................7
FPGA Overview ........................................................7
PLC Logic ..................................................................7
PIC Logic ...................................................................8
System Features .......................................................8
Routing ......................................................................8
Configuration .............................................................8
ORCA Foundry Development System ......................9
Architecture .................................................................9
Programmable Logic Cells ........................................11
Programmable Function Unit ..................................11
Look-Up Table Operating Modes ............................13
Supplemental Logic and Interconnect Cell (SLIC) ..21
PLC Latches/Flip-Flops ...........................................25
PLC Routing Resources ..........................................27
PLC Architectural Description .................................34
Programmable Input/Output Cells .............................36
5 V Tolerant I/O .......................................................37
PCI Compliant I/O ...................................................37
Inputs ......................................................................38
Outputs ....................................................................41
PIC Routing Resources ...........................................44
PIC Architectural Description ..................................45
High-Level Routing Resources..................................47
Interquad Routing ....................................................47
Programmable Corner Cell Routing ........................48
PIC Interquad (MID) Routing ...................................49
Clock Distribution Network ........................................50
PFU Clock Sources .................................................50
Clock Distribution in the PLC Array .........................51
Clock Sources to the PLC Array .............................52
Clocks in the PICs ...................................................52
ExpressCLK Inputs .................................................53
Selecting Clock Input Pins ......................................53
Special Function Blocks ............................................54
Single Function Blocks ............................................54
Boundary Scan ........................................................57
Microprocessor Interface (MPI) .................................64
PowerPC System ....................................................65
i960 System ............................................................66
MPI Interface to FPGA ............................................67
MPI Setup and Control ............................................68
Programmable Clock Manager (PCM) ......................72
PCM Registers ........................................................73
Delay-Locked Loop (DLL) Mode .............................75
Phase-Locked Loop (PLL) Mode ............................76
PCM/FPGA Internal Interface .................................79
PCM Operation .......................................................79
PCM Detailed Programming ...................................80
PCM Applications ....................................................83
2
PCM Cautions ........................................................ 84
FPGA States of Operation........................................ 85
Initialization ............................................................. 85
Configuration .......................................................... 86
Start-Up .................................................................. 87
Reconfiguration ...................................................... 88
Partial Reconfiguration ........................................... 88
Other Configuration Options ................................... 88
Configuration Data Format ...................................... 89
Using ORCA Foundry to Generate
Configuration RAM Data ....................................... 89
Configuration Data Frame ...................................... 89
Bit Stream Error Checking ...................................... 91
FPGA Configuration Modes...................................... 92
Master Parallel Mode ............................................. 92
Master Serial Mode ................................................ 93
Asynchronous Peripheral Mode ............................. 94
Microprocessor Interface (MPI) Mode .................... 94
Slave Serial Mode .................................................. 97
Slave Parallel Mode ............................................... 97
Daisy-Chaining ....................................................... 98
Daisy-Chaining with Boundary Scan ...................... 99
Absolute Maximum Ratings.................................... 100
Recommended Operating Conditions .................. 100
Electrical Characteristics ........................................ 101
Timing Characteristics ............................................ 103
Description ........................................................... 103
PFU Timing ......................................................... 104
PLC Timing ........................................................... 111
SLIC Timing .......................................................... 111
PIO Timing ........................................................... 112
Special Function Blocks Timing ........................... 115
Clock Timing ......................................................... 123
Configuration Timing ............................................ 133
Readback Timing ................................................. 142
Input/Output Buffer Measurement Conditions ........ 143
Output Buffer Characteristics ................................. 144
OR3Cxx ................................................................ 144
OR3Txxx .............................................................. 145
Estimating Power Dissipation ................................. 146
OR3Cxx ................................................................ 146
OR3Txxx (Preliminary Information) ...................... 147
Pin Information ....................................................... 149
Pin Descriptions ................................................... 149
Package Compatibility .......................................... 153
Compatibility with OR2C/TxxA Series .................. 154
Package Thermal Characteristics........................... 194
ΘJA ....................................................................... 194
ψJC ...................................................................... 194
ΘJC ...................................................................... 194
ΘJB ...................................................................... 194
FPGA Maximum Junction Temperature ............... 195
Lucent Technologies Inc.




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