ST16C1551 View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

ST16C1551

2.97V TO 5.5V UART WITH 16-BYTE FIFO

Exar Corporation 

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2.97V TO 5.5V UART WITH 16-BYTE FIFO

ST16C1550/51

REV. 4.2.0

ABSOLUTE MAXIMUM RATINGS .................................................................................. 25

TYPICAL PACKAGE THERMAL RESISTANCE DATA (MARGIN OF ERROR: ± 15%) ................................................. 25

ELECTRICAL CHARACTERISTICS................................................................................ 25

DC ELECTRICAL CHARACTERISTICS.............................................................................................................. 25

AC ELECTRICAL CHARACTERISTICS.............................................................................................................. 26

TA=0O TO 70OC (-40O TO +85OC FOR INDUSTRIAL GRADE PACKAGE), VCC IS 2.97V TO 5.5V...................... 26

FIGURE 8. CLOCK TIMING............................................................................................................................................................... 27

FIGURE 9. MODEM INPUT/OUTPUT TIMING ...................................................................................................................................... 27

FIGURE 10. DATA BUS READ TIMING .............................................................................................................................................. 28

FIGURE 11. DATA BUS WRITE TIMING ............................................................................................................................................ 28

FIGURE 12. RECEIVE READY & INTERRUPT TIMING [NON-FIFO MODE]............................................................................................ 29

FIGURE 13. TRANSMIT READY & INTERRUPT TIMING [NON-FIFO MODE].......................................................................................... 29

FIGURE 14. RECEIVE READY & INTERRUPT TIMING [FIFO MODE, DMA DISABLED] .......................................................................... 30

FIGURE 15. RECEIVE READY & INTERRUPT TIMING [FIFO MODE, DMA ENABLED] ........................................................................... 30

FIGURE 16. TRANSMIT READY & INTERRUPT TIMING [FIFO MODE, DMA MODE DISABLED] .............................................................. 31

FIGURE 17. TRANSMIT READY & INTERRUPT TIMING [FIFO MODE, DMA MODE ENABLED]............................................................... 31

PACKAGE DIMENSIONS (48 PIN TQFP - 7 X 7 X 1 MM) .................................................................................... 32

PACKAGE DIMENSIONS (28 PIN PDIP) .......................................................................................................... 33

PACKAGE DIMENSIONS (28 PIN PLCC)......................................................................................................... 34

REVISION HISTORY ...................................................................................................................................... 35

TABLE OF CONTENTS ............................................................................................................ I

II

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