Monza
®
4 Tag Chip Datasheet
ii Copyright © 2015, Impinj, Inc.
Table of Contents
1 Introduction ........................................................................................................................1
1.1 Scope ..................................................................................................................................1
1.2 Reference Documents .........................................................................................................1
2 Functional Description .......................................................................................................2
2.1 True3D Antenna Technology Improves Performance........................................................2
2.2 QT Technology–Private, Public, Peek, and Short Range ...................................................4
2.2.1 Private/Public Profiles .................................................................................................4
2.2.2 Public/Private Profile Protection..................................................................................6
2.2.3 Peek ..............................................................................................................................7
2.2.4 QT Command Format ..................................................................................................7
2.2.5 Recommended Public EPC Usage Guidelines .............................................................9
2.2.5.1 Example Public EPC Use Case—Retail Environment ..........................................9
2.3 Increased Memory Options ..............................................................................................10
2.3.1 Extended User Memory Option .................................................................................10
2.3.2 Extended EPC Memory Option .................................................................................11
2.3.3 Basic Memory Option ................................................................................................12
2.4 Supporting Difficult-to-Read Tags and Fast Serial Number Access ................................12
2.5 Support for Optional Gen 2 Commands ...........................................................................13
2.6 Monza 4 Tag Chip Block Diagram...................................................................................13
2.7 Pad Descriptions ...............................................................................................................14
2.8 Dual Antenna Input ..........................................................................................................14
2.9 Power Management ..........................................................................................................15
2.10 Modulator/Demodulator ...................................................................................................15
2.11 Tag Controller...................................................................................................................15
2.12 Nonvolatile Memory.........................................................................................................15
3 Interface Characteristics ...................................................................................................16
3.1 Making Connections .........................................................................................................16
3.1.1 Single-port Connection Option ..................................................................................16
3.1.2 Shunted-port Connection Option ...............................................................................17
3.1.3 Dual-port Connection Option ....................................................................................18
3.1.4 Source Impedance ......................................................................................................19
3.2 Reader-to-Tag (Forward Link) Signal Characteristics .....................................................20
3.3 Reverse Link Signal Characteristics .................................................................................21
4 Tag Memory .....................................................................................................................22
4.1 Monza 4 Tag Chip Memory Maps ...................................................................................22
4.2 Logical vs. Physical Bit Identification .............................................................................26
4.3 Memory Banks .................................................................................................................26
4.3.1 Reserved Memory ......................................................................................................26
4.3.2 Passwords ...................................................................................................................26
4.3.2.1 Access Password .................................................................................................26
4.3.2.2 Kill Password ......................................................................................................26
4.3.3 EPC Memory (EPC data, Protocol Control Bits, and CRC16) ..................................26
4.3.4 Tag Identification (TID) Memory ..............................................................................27
5 Absolute Maximum Ratings .............................................................................................28
5.1 Temperature ......................................................................................................................28
