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onsemi CAT9554HV4I-GT2

IC XPNDR 400KHZ I2C SMBUS 16TQFN

Answer first: this page is a purchasing reference for the exact part number CAT9554HV4I-GT2 from onsemi. Use it to start datasheet, package, manufacturer and RFQ verification; do not treat page text as a live stock, price or lead-time promise.

Manufacturer: onsemi Category: I/O Expanders Part number: CAT9554HV4I-GT2 Package: 16-WQFN Exposed Pad RFQ verification required

Key Parameters

Part NumberCAT9554HV4I-GT2
Manufactureronsemi
CategoryI/O Expanders
package16-WQFN Exposed Pad
series-
packagingTape & Reel (TR)
product statusObsolete
param 1Not Verified
param 28
param 3I2C, SMBus
param 4Yes
param 5POR
param 6Push-Pull
param 710mA, 24mA
param 8400 kHz
param 92.3V ~ 5.5V
param 10-40°C ~ 85°C
param 11-
param 12-
param 13Surface Mount
param 1416-TQFN (4x4)

Parameters are provided for purchasing review. Confirm package, suffix, lifecycle status, datasheet revision and approved substitutes before ordering.

How to Verify CAT9554HV4I-GT2 Before Ordering

Datasheet and parameter checks

  • Confirm the full manufacturer part number, not only a shortened search keyword.
  • Compare package, pinout, dimensions, voltage or rating fields, temperature range and compliance wording against the released BOM.
  • Use the manufacturer datasheet or drawing for electrical and mechanical limits before approving a substitute.

RFQ fields SENICO needs

  • Send exact part number, manufacturer, quantity, target delivery date, destination and required packaging.
  • State whether alternates are allowed, and list any date-code, certificate, traceability or customer AVL requirement.
  • Keep exact stock, factory lead time and proposed alternatives in separate quote lanes.

For CAT9554HV4I-GT2, SENICO recommends checking manufacturer marking, package, date code, requested quantity, approved vendor requirements and replacement risk before issuing a purchase order. If a supplier suggests an equivalent, record the changed fields and approval owner before comparing price.

We do not treat displayed data as a real-time stock or price commitment. The RFQ reply is the verified commercial reference.

Related buying guides: stock and lead-time verification, equivalent IC comparison, and BOM RFQ preparation.