ST16C454(1994) 查看數據表（PDF） - Exar Corporation

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ST16C454
(Rev.:1994)

QUAD UNIVERSAL ASYNCHRONOUS RECEIVER/TRANSMITTER (UART)

Exar Corporation 

ST16C454/68C454

AC ELECTRICAL CHARACTERISTICS

TA=0° - 70°C (-40° - +85°C for Industrial grade packages), Vcc=3.3 - 5.0 V ± 10% unless otherwise specified.

Symbol

Parameter

T33s

Data setup time

T33h

Data hold time

TR

Reset pulse width

N

Baud rate devisor

Limits

3.3

Min Max

20

10

40

1

216-1

Limits

5.0

Min Max

15

10

40

1

216-1

Units

ns

ns

ns

Rclk

Conditions

Rev. 3.20

21

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