onsemi CAT9555HV6I-T2 O Expanders
I/O Expander 16 I2C, SMBus 400 kHz 24-TQFN (4x4)
Same model may have multiple batches, images only for reference.
Manufacturer
Part Number (MPN)
CAT9555HV6I-T2
Detailed Description
IC I/O EXPANDER I2C 24TQFN
Package
24-WFQFN Exposed Pad
Key Features
Package / Case: 24-WFQFN Exposed Pad; Mounting Type: Surface Mount
Lifecycle Status
Obsolete
RoHS State
RoHS Compliant
Datasheet
CAT9555HV6I-T2 Datasheet
Quick Jump:
Technical Specifications
onsemi CAT9555HV6I-T2 O Expanders technical specifications.
General
Series
CAT9555
Interface
I²C, SMBus
RoHS
Yes
Package / Case
24-WFQFN Exposed Pad
Mounting Type
Surface Mount
Operating Temperature
-40°C ~ 85°C
Supply Voltage
2.3V ~ 5.5V
Lifecycle Status
Obsolete
Features
POR
Output Type
Push-Pull
Alternate Parts Comparison (CAT9555HV6I-T2 vs CAT28F001G-12T vs CAT28F010GI-90T vs CAT34C02YI-GT5A)
Side-by-side technical parameter comparison of related primary models in this product family.
| This Part | Alternate Parts | Alternate Parts | Alternate Parts | |
|---|---|---|---|---|
| Package / Case | 24-WFQFN Exposed Pad | 32-LCC | 32-LCC | 8-TSSOP |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 85°C | 0°C ~ 70°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Supply Voltage | 2.3V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 1.7V ~ 5.5V |
| Interface | I²C, SMBus | Parallel | Parallel | Serial-I2C |
| RoHS | Yes | Compliant | Compliant | Yes |
| Lifecycle Status | Obsolete | Obsolete | Obsolete | Active |
| Package | TQFN-24 | LCC | LCC | TSSOP-8 |
| Memory Size | -- | 1Mb (128K x 8) | 1Mb (128K x 8) | 2Kb (256 x 8) |
| Number of Pins | -- | 32 | 32 | 8 |
| Access Time | -- | 120 ns | 90 ns | 900 ns |
| Automotive | -- | No | No | No |
| Action |
Cross Reference
Manufacturer-stated alternates from official cross-reference tools. These are not a guaranteed pin-compatible drop-in. Qualify package, pinout, and electrical limits against the datasheet before a board change. See cross-reference vs drop-in compatible .
Suggested replacements
CAT9555YI-T2onsemiSimilaronsemi
Pin NoPkg NoElec Mixed
I/O Port Expander, I 2 C / SMBus, 16-Bit, with Active Low Interrupt, TSSOP24, 4.4x7.8, 2000-REEL
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Browse additional parts from the same category, grouped by series, package type, and manufacturer. These are catalog suggestions — not verified pin-compatible alternates.
