icSMT
TCA9555RTWR
Texas Instruments-40℃~+85℃ 1.65V~5.5V 16 400kHz I2C、SMBus Interrupt Output Reset function、Cascading and address extension、Built-in LED driver WQFN-24-EP(4x4) I/O Expanders ROHS
Pin Map
| Pad | Name | Type | Mount | Shape | W×H |
|---|---|---|---|---|---|
| 1 | P00 | input | SMD | roundrect | 0.7×0.28 |
| 2 | P01 | output | SMD | roundrect | 0.7×0.28 |
| 3 | P02 | io | SMD | roundrect | 0.7×0.28 |
| 4 | P03 | passive | SMD | roundrect | 0.7×0.28 |
| 5 | P04 | passive | SMD | roundrect | 0.7×0.28 |
| 6 | P05 | passive | SMD | roundrect | 0.7×0.28 |
| 7 | P06 | passive | SMD | roundrect | 0.7×0.28 |
| 8 | P07 | passive | SMD | roundrect | 0.7×0.28 |
| 9 | GND | ground | SMD | roundrect | 0.7×0.28 |
| 10 | P10 | passive | SMD | roundrect | 0.7×0.28 |
| 11 | P11 | passive | SMD | roundrect | 0.7×0.28 |
| 12 | P12 | passive | SMD | roundrect | 0.7×0.28 |
| 13 | P13 | passive | SMD | roundrect | 0.7×0.28 |
| 14 | P14 | passive | SMD | roundrect | 0.7×0.28 |
| 15 | P15 | passive | SMD | roundrect | 0.7×0.28 |
| 16 | P16 | passive | SMD | roundrect | 0.7×0.28 |
| 17 | P17 | passive | SMD | roundrect | 0.7×0.28 |
| 18 | A0 | passive | SMD | roundrect | 0.7×0.28 |
| 19 | SCL | passive | SMD | roundrect | 0.7×0.28 |
| 20 | SDA | passive | SMD | roundrect | 0.7×0.28 |
| 21 | VCC | power | SMD | roundrect | 0.7×0.28 |
| 22 | INT# | passive | SMD | roundrect | 0.7×0.28 |
| 23 | A1 | passive | SMD | roundrect | 0.7×0.28 |
| 24 | A2 | passive | SMD | roundrect | 0.7×0.28 |
| 25 | EP | passive | SMD | roundrect | 2.8×2.8 |
Key Parameters
Frequency
400kHz
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Details
MPNTCA9555RTWR
ManufacturerTexas Instruments
PackageWQFN-24-EP(4x4)
FootprintVFQFPN-24_L4.0-W4.0-P0.50-BL-EP2.8
LCSCC140277
Lifecycleactive
MountingSMT
RoHSCompliant
ECCNEAR99
JLCPCB Stock & Pricing
In Stock(180 pcs)