73K224BL-IH - Brand New TDK Corporation IC Chips
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Description
The 73K224BL is a highly integrated single-chip modem IC which provides the functions needed to construct a V.22bis compatible modem, capable of 2400 bit/s full-duplex operation over dial-up lines. The 73K224BL is an enhancement of the 73K224L single chip modem, which adds the hybrid hook switch control, and driver to the 73K224L. The 73K224BL integrates analog, digital, and switched-capacitor array functions on a single chip, offering excellent performance and a high level of functional integration in a 32-Lead PLCC package. It operates from a single +5 V supply for low power consumption. It is designed to appear to the systems designer as a microprocessor peripheral, and will easily interface with popular single-chip microprocessors (80C51 typical) for control of modem functions through its 8-bit multiplexed address/data bus or via an optional serial control bus. An ALE control simplifies address demultiplexing. Data communications normally occur through a separate serial port. It is pin and software compatible with the 73K222BL, allowing system upgrades with a single component change.
Specifications and features
- Includes features of 73K224L single-chip modem
- On chip 2-wire/4-wire hybrid driver and off hook relay buffer driver
- One-chip multi-mode V.22bis/V.22/V.21 and Bell 212A/103 compatible modem data pump
- FSK (300 bit/s), DPSK (600, 1200 bit/s), or QAM (2400 bit/s) encoding
- Software compatible with other TERIDIAN Semiconductor K-Series one-chip modems
- Interfaces directly with standard micro processors (80C51 typical)
- Parallel or serial bus for control
- Selectable internal buffer/debuffer and scrambler/descrambler functions
- All asynchronous and synchronous operating modes (internal, external, slave)
- Adaptive equalization for optimum performance over all lines
- Programmable transmit attenuation (16 dB, 1 dB steps), selectable receive boost (+18 dB)
- Call progress, carrier, answer tone, unscrambled mark, S1, and signal quality monitors
- DTMF, answer and guard tone generators
- Test modes available: ALB, DL, RDL, mark, space, alternating bit, S1 pattern generation and detection
- CMOS technology for low power consumption (typically 100 mW @ 5 V) with power-down mode (15 mW @ 5 V)
- TTL and CMOS compatible inputs and outputs
Application Scenarios
Not provided
Comparison
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download 73K224BL-IH
- Chipdatas Part: CD87-73K224BL-IH
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/10/01 19:43 +0800
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