SI2457-D-FT vs SI2456-FT Comparison

Detailed side-by-side comparison of SI2457-D-FT by Skyworks Solutions and SI2456-FT by Silicon Laboratories. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.

Skyworks Solutions
SI2457-D-FT SI2457-D-FT 56 kbps V.90 Modem | Skyworks Solutions Inc.

SI2457-D-FT 56 kbps V.90 Modem | Skyworks Solutions Inc.

SI2457-D-FT ✓ Active
Silicon Laboratories
SI2456-FT SI2456-FT 56 kbps ISOModem Chipset | Silicon Laboratories

SI2456-FT 56 kbps ISOModem Chipset | Silicon Laboratories

SI2456-FT ✓ Active

Specification Comparison

Parameter SI2457-D-FT SI2456-FT
Brand Skyworks Solutions Silicon Laboratories
Category Interface ICs Interface ICs
Lifecycle Status Active Active
Product Type 56 kbps V.90 data modem controller —
Maximum Data Rate 56 kbps 56 kbps
Supported ITU-T Formats V.21, V.22, V.23, V.29, V.32, V.34, V.42, V.42bis, V.44, V.90 —
Supported Bell Formats Bell 103 and Bell 212A —
Bell 300 bps Support Up to 300 bps —
Fast Connect V.29 —
Automatic Rate Negotiation MNP2-5 —
Caller ID Support Type I and Type II decode —
Host Interface Options UART, SPI, or parallel —
External Memory Requirement No external ROM or RAM required —
Clock Options 32.768 kHz oscillator or 4.915 MHz clock —
Package 24-pin TSSOP —
Mounting Type Surface mount Surface mount
Data Sheet Revision Revision D —
Manufacturer Skyworks Solutions Inc. —
Operating Temperature Range [DATA_NEEDED: operating temperature range] 0 °C to 70 °C
Supply Voltage [DATA_NEEDED: supply voltage range] 3.3 V
RoHS Compliance [DATA_NEEDED: RoHS compliance status] —
REACH Compliance [DATA_NEEDED: REACH compliance status] —
AEC-Q100 Qualification [DATA_NEEDED: AEC-Q100 qualification status] —
Device Type — Modem / ISOModem chipset
Operating Voltage Range — 3 V to 3.6 V
Package Type — TSSOP-24
Pin Count — 24 pins
Termination — Lead free
Data Access Arrangement — Integrated global DAA
Capacitive Isolation — More than 5000 V
Telephone-Line Interface — Globally compliant line interface
Phone Detection — Parallel phone detection
Protection — Overcurrent protection
ITU-T Protocol Support — V.21, V.22, V.23, V.32, V.32bis, V.34, V.42bis, V.90
Bell Protocol Support — Bell 103 and Bell 212A
Error Correction — V.42bis and MNP2-5
Rate Control — Automatic rate negotiation
RoHS Status — Compliant

Datasheets & Resources

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