OR2C04A datasheet(2/192 Pages) LATTICE

2 / 192 page

Data Sheet

ORCA Series 2 FPGAs

January 2002

Lattice Semiconductor

Table of Contents

Contents

Page

Contents

Page

Features ...................................................................... 1

Description................................................................... 3

ORCA Foundry Development System Overview......... 5

Architecture ................................................................. 5

Programmable Logic Cells .......................................... 5

Programmable Function Unit ................................... 5

Look-Up Table Operating Modes ............................ 7

Latches/Flip-Flops ................................................. 15

PLC Routing Resources ........................................ 17

PLC Architectural Description................................ 22

Programmable Input/Output Cells ............................. 25

Inputs ..................................................................... 25

Outputs .................................................................. 26

5 V Tolerant I/O (OR2TxxB) .................................. 27

PCI Compliant I/O.................................................. 27

PIC Routing Resources ......................................... 28

PIC Architectural Description................................. 29

PLC-PIC Routing Resources ................................. 30

Interquad Routing ...................................................... 32

Subquad Routing (OR2C40A/OR2T40A Only)...... 34

PIC Interquad (MID) Routing ................................. 36

Programmable Corner Cells ...................................... 37

Programmable Routing.......................................... 37

Special-Purpose Functions.................................... 37

Clock Distribution Network ........................................ 37

Primary Clock ........................................................ 37

Secondary Clock ................................................... 38

Selecting Clock Input Pins ..................................... 39

FPGA States of Operation......................................... 40

Initialization ............................................................ 40

Configuration ......................................................... 41

Start-Up ................................................................. 42

Reconfiguration ..................................................... 42

Partial Reconfiguration .......................................... 43

Other Configuration Options .................................. 43

Configuration Data Format ........................................ 43

Using ORCA Foundry to Generate

Configuration RAM Data..................................... 44

Configuration Data Frame ..................................... 44

Bit Stream Error Checking......................................... 47

FPGA Configuration Modes....................................... 47

Master Parallel Mode............................................. 47

Master Serial Mode ............................................... 48

Asynchronous Peripheral Mode ............................ 49

Synchronous Peripheral Mode .............................. 49

Slave Serial Mode ................................................. 50

Slave Parallel Mode............................................... 50

Daisy Chain ........................................................... 51

Special Function Blocks ............................................ 52

Single Function Blocks .......................................... 52

Boundary Scan ...................................................... 54

Boundary-Scan Instructions...................................55

ORCA Boundary-Scan Circuitry ............................56

ORCA Timing Characteristics....................................60

Estimating Power Dissipation ....................................61

OR2CxxA...............................................................61

OR2TxxA ...............................................................63

OR2T15B and OR2T40B.......................................65

Pin Information ..........................................................66

Pin Descriptions.....................................................66

Package Compatibility ...........................................68

Compatibility with Series 3 FPGAs ........................70

Package Thermal Characteristics............................126

QJA ......................................................................126

yJC.......................................................................126

QJC......................................................................126

QJB......................................................................126

Package Coplanarity ...............................................127

Package Parasitics ..................................................127

Absolute Maximum Ratings .....................................129

Recommended Operating Conditions .....................129

Electrical Characteristics .........................................130

Timing Characteristics .............................................132

Series 2................................................................160

Measurement Conditions.........................................169

Output Buffer Characteristics ..................................170

OR2CxxA.............................................................170

OR2TxxA .............................................................171

OR2TxxB .............................................................172

Package Outline Drawings ......................................173

Terms and Definitions..........................................173

84-Pin PLCC........................................................174

100-Pin TQFP......................................................175

144-Pin TQFP......................................................176

160-Pin QFP ........................................................177

208-Pin SQFP......................................................178

208-Pin SQFP2....................................................179

240-Pin SQFP......................................................180

240-Pin SQFP2....................................................181

256-Pin PBGA .....................................................182

304-Pin SQFP......................................................183

304-Pin SQFP2....................................................184

352-Pin PBGA .....................................................185

432-Pin EBGA .....................................................186

Ordering Information................................................187

Index ........................................................................189

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