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TCA8418RTWR PZ418 WQFN Interface Integrated Circuits
TCA8418 I 2C Controlled Keypad Scan IC With Integrated ESD Protection
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P/N | BRAND | QTY | P/N | BRAND | QTY | P/N | BRAND | QTY | ||
L6566BH | ST | 2000 | TJA1051TK/3,118 | NXP | 6000 | S912ZVL64F0VLF | NXP | 5000 | ||
STM32F417ZGT6 | ST | 360 | TJA1051T/CM | NXP | 40000 | FS32K116LIT0VFM | NXP | 4900 | ||
STM32F750N8H6 | ST | 960 | TJA1050T/CM | NXP | 100000 | LPC2366FBD100,551 | NXP | 1800 | ||
STM32L496QGI6 | ST | 2495 | TJA1043T,118 | NXP | 25000 | NL3HS3124AMNTWG | ON | 3000 | ||
STP16DP05XTTR | ST | 2500 | TJA1042T/3/1 | NXP | 80000 | AD7124-8BBCPZ | ADI | 1960 | ||
VN750PSTR-E | ST | 2500 | TJA1042T/3,118 | NXP | 60000 | LPC1765FBD100 | NXP | 30000 | ||
STM32F051C8T7 | ST | 1500 | TJA1042T/1 | NXP | 50000 | SN65DSI83ZQER | TI | 2500 | ||
STM32F303VCT6 | ST | 1620 | TJA1040T/CM | NXP | 50000 | TPS53219RGTR | TI | 3000 | ||
VNQ7050AJTR | ST | 2500 | TJA1021T/20/CM | NXP | 50000 | TPS386000QRGPRQ1 | TI | 1819 | ||
VN750PTTR-E | ST | 2500 | TEF6686HN/V102K | NXP | 4900 | TPS7A7200RGWR | TI | 2684 | ||
STM32F427ZGT6 | ST | 360 | PCF8574AT/3,518 | NXP | 3000 | TPS7A8400ARGRR | TI | 3000 | ||
STM32F767VIT6 | ST | 1620 | PCF8563TS/5 | NXP | 40000 | TPS76350QDBVRQ1 | TI | 9000 | ||
L9950XPTR | ST | 1000 | PCF8563T/5 | NXP | 100000 | ISO7741DBQR | TI | 1177 | ||
VNB14NV04TR-E | ST | 8500 | PCF85163T/1,518 | NXP | 5000 | LP8866QRHBRQ1 | TI | 3460 | ||
VND14NV04-E | ST | 4000 | PCA9555PW | NXP | 10000 | BQ500101DPCR | TI | 2320 | ||
VNH7100BASTR | ST | 10000 | PCA9535PW | NXP | 10000 | DRV8305NPHPR | TI | 1000 | ||
BUK9M15-60EX | NEXPERIA | 6000 | MPR121QR2 | NXP | 12000 | TPS76333QDBVRQ1 | TI | 3000 | ||
PUSB2X4DH | NEXPERIA | 7414 | MKE02Z64VLD4 | NXP | 4000 | UCC2897ARGPR | TI | 3000 | ||
EP5358HUI | Intel | 3000 | MFRC53101T/0FE,112 | NXP | 10000 | UCC27211ADRMT | TI | 1779 | ||
MAX487ESA+T | MAX | 150000 | MFRC52202HN1 | NXP | 1500 | ISO5852SQDWRQ1 | TI | 181 | ||
MAX487CSA+T | MAX | 15000 | LPC2138FBD64/01EL | NXP | 6400 | ISO7721FDWV | TI | 1024 | ||
DS24B33S+T&R | MAX | 6000 | TJA1044GT/3Z | NXP | 20000 | SN65DSI84TPAPRQ1 | TI | 20000 | ||
DS18B20Z+T&R | MAX | 10000 | TJA1021T/20/CM,118 | NXP | 25000 | TLC59116ITPWRQ1 | TI | 4000 | ||
MAX5969BETB+T | MAX | 5000 | PCA82C250T/YM | NXP | 30000 | TPS546C23RVFR | TI | 2500 | ||
A3984SLPTR-T | ALLEGRO | 3004 | MIMXRT1176CVM8A | NXP | 608 | MSP430F5659IZCAR | TI | 2500 | ||
A3959SLPTR-T | ALLEGRO | 4000 | MIMXRT1052CVL5B | NXP | 5040 | DRV8244SQRYJRQ1 | TI | 3000 | ||
A1330LLETR-T | ALLEGRO | 5749 | MIMXRT1011DAE5A | NXP | 5280 | LMH6642MFPB | TI | 10000 | ||
FS32K148HAT0MLLT | NXP | 1800 | MIMX8MM6CVTKZAA | NXP | 408 | DRV8243HQRXYRQ1 | TI | 3000 | ||
FS32K118LAT0MLHT | NXP | 800 | UJA1167ATK/0Z | NXP | 6000 | TPS61165DRVR | TI | 30000 | ||
S9S12XS256J0VAA | NXP | 420 | UJA1078ATW/5V0/WD/1 | NXP | 8000 | LT1013DDR | TI | 2500 | ||
LPC1517JBD64E | NXP | 800 | TEF6638HW/V106Z | NXP | 5000 | TPS7A3301RGWR | TI | 3000 | ||
SPC5606BF1MLQ6 | NXP | 1200 | LPC11U37FBD48/401 | NXP | 1250 | ISO3082DWR | TI | 6000 | ||
S9S12G128AMLH | NXP | 4800 | LPC11U14FBD48/201 | NXP | 2500 | TLV2374IDR | TI | 7500 | ||
S9KEAZ128AMLK | NXP | 4500 | LPC11C24FBD48/301 | NXP | 2500 | ADS1115IDGSR | TI | 10000 | ||
S912XHY128F0VLM | NXP | 300 | LPC11C12FBD48/301 | NXP | 5000 | TI ISO5452QDWRQ1 | TI | 6000 | ||
PN5321A3HN/C106;55 | NXP | 2450 | PCAL6524HEAZ | NXP | 10000 | TPS53314RGFR TI | TI | 9000 | ||
PCF85162T/1Y | NXP | 2000 | SPC5748GHK0AMKU6 | NXP | 200 | SAK-TC222S-12F133F AC | Infineon | 7200 | ||
PCF85134HL/1,118 | NXP | 3000 | LPC802M001JDH20J | NXP | 10000 | BSP452HUMA1 | Infineon | 4000 | ||
PCA9698DGG,518 | NXP | 2000 | MC33FS4503CAE | NXP | 2500 | BSC060P03NS3EG | Infineon | 5000 | ||
PCA9506DGG,518 | NXP | 2000 | S9S08SG16E1MTGR | NXP | 2500 | BSP77 E6433 | Infineon | 4000 | ||
NJJ29C0BHN/0F62 | NXP | 5000 | TJA1043T/1J | NXP | 50000 | BSP78 | Infineon | 4000 | ||
MMPF0100NPAZESR2 | NXP | 4000 | MIMXRT1064CVL5B | NXP | 4800 | BTF3050TE | Infineon | 2500 | ||
MMPF0100F0AEP | NXP | 3900 | PCA82C251T/YM | NXP | 30000 | BTS5090-1EJA | Infineon | 2500 | ||
MIMXRT1021CAG4B | NXP | 4500 | LPC1114FBD48/302 | NXP | 2500 | BTS7004-1EPP | Infineon | 6000 | ||
MIMXRT1021CAG4A | NXP | 2100 | LPC1517JBD48E | NXP | 100 | BTS716GB | Infineon | 1000 | ||
MIMX8MM6DVTLZAA | NXP | 304 | MCIMX6Y2CVM08AB | NXP | 20000 | IPB037N06N3G | Infineon | 1000 | ||
MCIMX6U5EVM10AC | NXP | 1500 | MMPF0100NPAEP | NXP | 6500 | ISP752R | Infineon | 2500 | ||
MCIMX6U5DVM10AC | NXP | 1500 | SA602AD/01,118 | NXP | 20000 | ITS4200S-ME-P | Infineon | 4000 | ||
LPC2478FBD208K | NXP | 1800 | S9S08DZ60F2MLH | NXP | 20000 | ITS4200S-SJ-D | Infineon | 2500 | ||
LPC2468FBD208K | NXP | 1800 | NT3H2111W0FHKH | NXP | 50000 | TLE94112EL | Infineon | 2500 | ||
LPC2387FBD100K | NXP | 1350 | MCRC52202HN1 | NXP | 9800 | TLE9471ESV33 | Infineon | 3000 | ||
LPC2368FBD100K | NXP | 1800 | LPC1768FBD208 | NXP | 30000 | TLE9843-2QX | Infineon | 5000 | ||
LPC2366FBD100K | NXP | 3600 | LPC824M201JHI33Y | NXP | 30000 | TLF80511EJV50 | Infineon | 2500 | ||
LPC2292FBD144/01,5 1080 | NXP | 1080 | PCA9555DB,118 | NXP | 4000 | MCP4662T-103E/UN | Microchip | 50000 | ||
LPC2136FBD64/01EL | NXP | 2400 | TEA2016AAT/1J | NXP | 20000 | BCM53128KQLEG | Broadcom | 3024 | ||
LPC1778FET208K | NXP | 1260 | MCIMX6V7DVN10AB | NXP | 6400 | E3M0075120K | Wolfspeed | 30000 | ||
LPC1778FBD144K | NXP | 2100 | MKL17Z64VFM4 | NXP | 2450 | SI7216DN-T1-E3 | VISHAY | 3000 | ||
LPC1764FBD100K | NXP | 1350 | S9S12ZVL32F0MLCR | NXP | 10000 | RTL8822CU-CG | REALTEK | 10400 | ||
LPC1754FBD80K | NXP | 1785 | LPC1788FBD208 | NXP | 30000 | 70V28L20PFGI | IDT | 360 | ||
LPC1752FBD80K | NXP | 595 | FX32K144UAT0VLLT | NXP | 5000 | MAX485ESA+T | MAX | 30000 | ||
LPC1343FBD48,151 | NXP | 250 | MC9S12DG128CPVE | NXP | 300 | A3291KUA-T | ALLEGRO | 60000 | ||
NCP51200MNTXG | ON | 15000 | XC3S400A-4FGG400C | XILINX | 9760 | A3950SLPTR-T | ALLEGRO | 8000 | ||
NCV8674DS120G | ON | 500 | XC6SLX150-2CSG484I | XILINX | 721 | A3977SLPTR-T | ALLEGRO | 7000 | ||
NTR3C21NZT1G | ON | 45000 | XC6SLX16-3CSG324C | XILINX | 695 | A3983SLPTR-T | ALLEGRO | 8000 | ||
NTZD3154NT1G | ON | 20000 | XC6SLX25-2FGG484I | XILINX | 420 | A4447SLJTR-T | ALLEGRO | 12000 | ||
ISO7763FDBQ | TI | 280 | XC6SLX25-3CSG324C | XILINX | 195 | A4953ELJTR-T | ALLEGRO | 12000 | ||
TPS628113HQWRWYRQ1 | TI | 3790 | XC6SLX25T-3CSG324I | XILINX | 425 | ACS758LCB-100B-PFF-T | ALLEGRO | 3848 | ||
LMR36503RS5QRPERQ1 | TI | 20800 | XC6SLX45-3CSG324I | XILINX | 228 | FS32K144HFT0MLHT | NXP | 1600 | ||
UCC21530BQDWKRQ1 | TI | 2850 | XC6SLX45-3FGG484C | XILINX | 1200 | MKV10Z128VLF7 | NXP | 2500 | ||
ISO6761FQDWRQ1 | TI | 10000 | XC6SLX45T-2FGG484C | XILINX | 1800 | S912ZVL12AMLF | NXP | 1250 | ||
TPS259401AQRVCRQ1 | TI | 20838 | XC6SLX75-3CSG484I | XILINX | 420 | MC34PF3000A3EPR2 | ADI | 4000 | ||
TPS793475DBVR | TI | 25459 | XC6SLX9-2FTG256I | XILINX | 1350 | LTM4644IY#PBF | ADI | 1299 | ||
LMR36015SBRNXR | TI | 18700 | XC7A35T-1FTG256I | XILINX | 900 | SAK-TC277T-64F200S DC | Infineon | 2000 | ||
TLV7034QPWRQ1 | TI | 60000 | XC7A50T-1FGG484C | XILINX | 1851 | SAK-TC233LP-32F200N AC | Infineon | 3000 | ||
TMP108AIYFFT | TI | 69195 | XC95144XL-10TQG144C | XILINX | 600 | IRFU220NPBF | Infineon | 50000 | ||
KSZ8863RLLI-TR | Microchip | 20000 | IR2103STRPBF | Infineon | 30000 | IRFB7434PBF | Infineon | 200000 | ||
AT91SAM9X25-CU | Microchip | 10000 | BSC028N06NS | Infineon | 20000 | IRF3205PBF | Infineon | 100000 |
1 Features
1• Operating Power-Supply Voltage Range of 1.65-V
to 3.6-V
• Supports 80 Buttons With Use of 18 GPIOs
• Supports QWERTY Keypad Operation Plus GPIO
Expansion
• Low Standby (Idle) Current Consumption: 3 μA
• Supports 1-MHz Fast Mode Plus I
2C Bus
• 10 Byte FIFO to Store 10 Key Presses and
Releases
• Open-Drain Active-Low Interrupt Output
• Integrated Debounce Time of 50 μs
• Schmitt-Trigger Action Allows Slow Input
Transition and Better Switching Noise Immunity at
the SCL and SDA Inputs: Typical Vhys at 1.8 V is
0.18 V
• Latch-Up Performance Exceeds 200 mA Per
JESD 78, Class II
• ESD Protection Exceeds JESD 22 on all 18 GPIO
Pins and non GPIO pins
– 2000-V Human Body Model (A114-A)
– 1000-V Charged Device Model (C101)
2 Applications
• Smart Phones
• Tablets
• HMI Panels
• GPS Devices
• MP3 Players
• Digital Cameras
3 Description
The TCA8418 is a keypad scan device with
integrated ESD protection. It can operate from 1.65 V
to 3.6 V and has 18 general purpose inputs/outputs
(GPIO) that can be used to support up to 80 keys via
the I
2C interface.
The key controller debounces inputs and maintains a
10 byte FIFO of key-press and release events which
can store up to 10 keys with overflow wrap capability.
An interrupt (INT) output can be configured to alert
key presses and releases either as they occur, or at
maximum rate.