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Signal Circuits / Other Signal Circuits / TCA8418EYFPR
Datasheets
TCA8418EYFPR by:
Texas Instruments
Hongxing Electrical Ltd
Texas Instruments
Not Found

18-bit 1.65- to 3.6-V 1MHz I2C/SMBus keypad scanner with interrupt, reset & 80 key support 25-DSBGA -40 to 85

Part Details for TCA8418EYFPR by Texas Instruments

Results Overview of TCA8418EYFPR by Texas Instruments

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Applications Consumer Electronics Financial Technology (Fintech)

TCA8418EYFPR Information

TCA8418EYFPR by Texas Instruments is an Other Signal Circuit.
Other Signal Circuits are under the broader part category of Signal Circuits.

A signal is an electronic means of transmitting information, either as an analog signal with continuous values or a digital signal with discrete values. Signals are used in various systems and networks. Read more about Signal Circuits on our Signal Circuits part category page.

Available Datasheets

Part # Manufacturer Description Datasheet
TCA8418EYFPR Texas Instruments I2C Controlled Keypad Scan IC With Integrated ESD Protection 25-DSBGA -40 to 85

Price & Stock for TCA8418EYFPR

Part # Distributor Description Stock Price Buy
DISTI # 296-27864-1-ND
DigiKey IC INTFACE SPECIALIZED 25DSBGA Min Qty: 1 Lead time: 12 Weeks Container: Digi-Reel®, Cut Tape (CT), Tape & Reel (TR) 12570
In Stock
  • 1 $1.6500
  • 10 $1.2060
  • 25 $1.0956
  • 100 $0.9743
  • 250 $0.9166
  • 500 $0.8817
  • 1,000 $0.8531
  • 3,000 $0.7375
$0.7375 / $1.6500 Buy Now
DISTI # 595-TCA8418EYFPR
Mouser Electronics Interface - Specialized I2C CONTROLLED KEYPA D SCAN RoHS: Compliant 2862
  • 1 $1.3000
  • 10 $1.0300
  • 25 $0.9540
  • 100 $0.8660
  • 250 $0.8340
  • 500 $0.8150
  • 1,000 $0.7960
  • 3,000 $0.7370
$0.7370 / $1.3000 Buy Now
DISTI # J56:1989_02893971
Arrow Electronics I2C Controlled Keypad Scan 25-Pin DSBGA T/R RoHS: Compliant Min Qty: 3000 Package Multiple: 3000 Lead time: 12 Weeks Date Code: 2302 Europe - 6000
  • 3,000 $0.6748
$0.6748 Buy Now
DISTI # V72:2272_07367431
Arrow Electronics I2C Controlled Keypad Scan 25-Pin DSBGA T/R RoHS: Compliant Min Qty: 1 Package Multiple: 1 Lead time: 12 Weeks Date Code: 2301 Container: Cut Strips Americas - 2390
  • 1 $0.8663
  • 10 $0.7899
  • 25 $0.7689
  • 100 $0.7619
  • 250 $0.7550
  • 500 $0.7481
  • 1,000 $0.7412
$0.7412 / $0.8663 Buy Now
DISTI # 67580971
Verical I2C Controlled Keypad Scan 25-Pin DSBGA T/R RoHS: Compliant Min Qty: 8 Package Multiple: 1 Date Code: 2301 Americas - 2390
  • 8 $0.8663
  • 10 $0.7899
  • 25 $0.7689
  • 100 $0.7619
  • 250 $0.7550
  • 500 $0.7481
  • 1,000 $0.7412
$0.7412 / $0.8663 Buy Now
DISTI # TCA8418EYFPR
TME IC: interface, I/O expander, 1.65÷3.6VDC, I2C,SMBus, SMD, DSBGA25 Min Qty: 1 0
  • 1 $1.2900
  • 5 $1.2400
  • 10 $1.1900
  • 25 $1.1400
  • 50 $1.0800
  • 100 $1.0200
  • 250 $0.9700
  • 500 $0.9400
  • 1,000 $0.9000
$0.9000 / $1.2900 RFQ
LCSC I2C DSBGA-25 Interface - Specialized ROHS 10
  • 1 $17.8454
  • 30 $0.6958
$0.6958 / $17.8454 Buy Now
Vyrian Other Function Semiconductors 7490
RFQ

Part Details for TCA8418EYFPR

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TCA8418EYFPR Part Data Attributes

Parametric Data
TCA8418EYFPR Texas Instruments
Buy Now Datasheet
Compare Parts:
TCA8418EYFPR Texas Instruments 18-bit 1.65- to 3.6-V 1MHz I2C/SMBus keypad scanner with interrupt, reset & 80 key support 25-DSBGA -40 to 85
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code BGA
Package Description DSBGA-25
Pin Count 25
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments

TCA8418EYFPR Related Parts

TCA8418EYFPR Frequently Asked Questions (FAQ)

  • A good PCB layout for the TCA8418EYFPR involves keeping the input and output traces short and away from each other, using a solid ground plane, and placing decoupling capacitors close to the device. Additionally, using a shielded cable for the keyboard interface can help reduce EMI.

  • The TCA8418EYFPR has built-in debounce circuitry, but it's recommended to add additional external debounce capacitors (e.g., 100nF) between the keyboard interface pins and GND to further reduce switch bounce and noise.

  • The maximum cable length for the keyboard interface depends on the specific application and environment. As a general guideline, cable lengths up to 10 meters (33 feet) are typically acceptable, but longer lengths may require additional signal conditioning or repeaters.

  • The TCA8418EYFPR can be configured for different keyboard layouts using the device's internal registers. The specific configuration depends on the desired keyboard layout and can be achieved through I2C commands or by using a keyboard layout configuration tool provided by Texas Instruments.

  • The power consumption of the TCA8418EYFPR depends on the operating mode and frequency. In active mode, the device typically consumes around 10mA, while in standby mode, it consumes around 10uA. The exact power consumption can be found in the datasheet or by consulting with Texas Instruments support.