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SL900A Datasheet Preview

SL900A Datasheet

EPC Class 3 Sensory Tag

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SL900A
EPC Class 3 Sensory Tag Chip - For
Automatic Data Logging
General Description
The SL900A is an EPCglobal Class 3 sensory tag chip optimized
for single-cell and dual-cell, battery-assisted smart labels with
sensor functionality. The chip is ideal for applications using thin
and flexible batteries but can also be powered from the RF field
(electromagnetic waves from an RFID reader).
The chip has a fully integrated temperature sensor with a
temperature range -29°C to 58°C. The external sensor interface
provides a flexible way of adding additional sensors to the
system and supports up to 2 external sensors.
Ordering Information and Content Guide appear at end of
datasheet.
Figure 1:
Added Value of Using SL900A
Key Benefits & Features
The benefits and features of SL900A, EPC Class 3 Sensory Tag
Chip - For Automatic Data Logging are listed below:
Benefits
Versatile temperature and data logging
Temperature sensor on chip
Worldwide EPC compliant
Works fully passive or in BAP mode
Programmable logging modes with various
sensors
Works with EPC readers
Provides supply for external sensors
Autonomous data logging with timestamp
Sensor alert function
Supports fast communication via slave SPI
Features
Operating temperature range: -40°C to 125°C
Temperature range -29°C to 58°C
Frequency: 860 to 960 MHz
Battery supply: 3V or 1.5V
Data logging from:
• On-chip temperature sensor
• 2 external sensors
EPC Class 1 and Class 3 compliant
Energy harvesting from reader field
Real-time clock for data logging
External sensor interrupt capability
Serial peripheral interface
ams Datasheet
[v1-12] 2018-Oct-29
Page 1
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ams

SL900A Datasheet Preview

SL900A Datasheet

EPC Class 3 Sensory Tag

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Benefits
Storage up to 841 temperature measurements
Alert for shelf life expiration
Programmable sensor limits
Package options
Features
On-chip 9kbit EEPROM
Integrated dynamic shelf life calculation
Advanced logging with 4 user-selectable limits
16-pin QFN (5mm x 5mm), engineering sample only
Tested sawn wafer on foil (8”)
Figure 2:
SL900A Block Diagram
Applications
The SL900A device is ideal suited for:
Monitoring and tracking of temperature-sensitive
products
Temperature monitoring of medical products
Pharmaceutical logistics
Monitoring of fragile goods transportation
Dynamic shelf life applications
RFID to SPI interface
Block Diagram
The functional blocks of this device are shown below:
1.5V
or 3V
VBAT
VSS
VPOS
VSSA
ANT
DIN
DOUT
SCLK
SEN
MEAS
ANA TEST
DIGI TEST
Power
Management
860 - 960 MHz
AFE
SPI
Port
(Slave)
1152 x 8 Bit
EEPROM
VDD
Temperature
Sensor
Battery Voltage
Processing
Digital Control
EPC Gen2
Class 3
(cool-Log™)
FIFO
SL900A
External
Sensor
Front-End
EXT1
EXT2
EXC
VREF
MUX
10-Bit A/D
Converter
Oscillator
with RTC
SL900A Block Diagram: Basic block diagram of SL900A
Page 2
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ams Datasheet
[v1-12] 2018-Oct-29



Part Number SL900A
Description EPC Class 3 Sensory Tag
Maker ams
Total Page 3 Pages
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SL900A Datasheet PDF





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