I2C Key-Switch LED Driver ESD Protection

Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

Integrated ESD Protection
±8kV Contact Discharge
±15kV Air-Gap Discharge
+14V Tolerant, Open-Drain I/O Ports Capable of Constant-Current LED Drive
Rotary Switch-Capable Input Pair (PORT6, PORT7)
256-Step PWM Individual LED Intensity Control
Individual LED Blink Rates and Common LED Fade In/Out Rates from 256ms to 4096ms
FIFO Queues Up to 16 Debounced Key Events
User-Configurable Key Debounce (9ms to 40ms)
Keyscan Uses Static Matrix Monitoring for Low EMI Operation
+1.62V to +3.6V Operation
Monitors Up to 64 Keys
Key-Switch Interrupt (Active-Low INTK) on Each Debounced Event/FIFO Level, or End of Definable Time Period
Port Interrupt (Active-Low INTI) for Input Ports for Special-Key Functions
400kbps, +5.5V Tolerant 2-Wire Serial Interface with Selectable Bus Timeout
Four I²C Address Choices
Applications
Cell Phones
Handheld Games
Instrumentation
PDAs
Portable Consumer Electronics
Printers

Specifications
Attribute Value
Maximum Operating Supply Voltage 1.62 → 3.6 V
Maximum Operating Current 50µA
Mounting Type Surface Mount
Package Type TDFN
Pin Count 40
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
Dimensions 5 x 5 x 0.75mm
300 In stock for delivery within 4 working days
Price Each (In a Tube of 60)
SGD 7.008
(exc. GST)
SGD 7.499
(inc. GST)
units
Per unit
Per Tube*
60 - 240
SGD7.008
SGD420.48
300 - 960
SGD6.823
SGD409.38
1020 +
SGD6.777
SGD406.62
*price indicative
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