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ST68C554

Features: · Compatibility with the Industry Standard ST16C454, ST68C454, ST68C554, TL16C554· 1.5 Mbps transmit/receive operation (24MHz)· 16 byte transmit FIFO· 16 byte receive FIFO with error flags· Independent transmit and receive control· Software selectable Baud Rate Generator· Four selectable...

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SeekIC No. : 004506678 Detail

ST68C554: Features: · Compatibility with the Industry Standard ST16C454, ST68C454, ST68C554, TL16C554· 1.5 Mbps transmit/receive operation (24MHz)· 16 byte transmit FIFO· 16 byte receive FIFO with error flags...

ST68C554 Data Sheet

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Part Number:
ST68C554
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/23

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Product Details

Description



Features:

· Compatibility with the Industry Standard ST16C454, ST68C454, ST68C554, TL16C554
· 1.5 Mbps transmit/receive operation (24MHz)
· 16 byte transmit FIFO
· 16 byte receive FIFO with error flags
· Independent transmit and receive control
· Software selectable Baud Rate Generator
· Four selectable Receive FIFO interrupt trigger levels
· Standard modem interface




Pinout

Connection Diagram




Specifications

Supply range ................7 Volts
Voltage at any pin ...GND - 0.3 V to VCC +0.3 V
Operating temperature .....-40° C to +85° C
Storage temperature ......-65° C to 150° C
Package dissipation ............500 mW

Specifications
CH 4
CPUInterface Motorola
Data Rate@5/3.3/2.5V 1.5/0.5/na
Tx/RxFIFO(Bytes) 16/16
Tx/RxFIFOCtrs No
Tx/RxFIFOINT Trig No/ 4 Levels
AutoRTS/CTS No
IrDaSup No
5VTolInputs No
Sup V 2.97-5.5
Pkgs PLCC-68





Description

The ST68C554 is a universal asynchronous receiver and transmitter (UART) with a dual foot print interface. The 554D is an enhanced UART with 16 byte FIFOs, receive trigger levels and data rates up to 1.5Mbps. Onboard status registers provide the user with error indications and operational status, modem interface control. System interrupts may be tailored to meet user requirements. An internal loopback capability allows onboard diagnostics. The 554D is available in 64 pin TQFP, and 68 pin PLCC packages. The 68 pin PLCC package offer an additional 68 mode which allows easy integration with Motorola, and other popular microprocessors. The ST68C554(64 pin) offers three state interrupt control while the ST16C554DCQ64 provides constant active interrupt outputs. The 64 pin devices do not offer TXRDY/ RXRDY outputs. The 554D combines the package interface modes of the 16C554 and 68C554 series on a single integrated chip.






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