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Philips SC28L91 User Manual

Page 42

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Philips Semiconductors

Product data sheet

SC28L91

3.3 V or 5.0 V Universal Asynchronous
Receiver/Transmitter (UART)

2004 Oct 21

42

REVISION HISTORY

Rev

Date

Description

_3

20041021

Product data (9397 750 13124). Supersedes Product specification of 2000 Sep 22 (9397 750 07549).

Modifications:

AC electrical characteristics (5 V) table:
t

RWD

(min.) changed from “15 ns” to “17 ns”.

t

DCR

(max.) changed from “20 ns” to “35 ns”.

t

DCW

(max.) changed from “20 ns” to “35 ns”.

t

CSC

(min.) changed from “10 ns” to “16 ns”.

AC electrical characteristics (3.3 V) table:
t

AH

(min.) changed from “25 ns” to “33 ns”.

t

DS

(min.) changed from “25 ns” to “43 ns”.

t

RWD

(min.) changed from “20 ns” to “27 ns”.

t

PD

(max.) changed from “70 ns” to “75 ns”.

t

IRH

(max.) changed from “60 ns” to “79 ns”.

t

CLK

(min.) changed from “30 ns” to “35 ns”.

t

TXD

(max.) changed from “60 ns” to “78 ns”.

t

DCR

(max.) changed from “25 ns” to “57 ns”.

t

DCW

(max.) changed from “25 ns” to “57 ns”.

t

CSC

(min.) changed from “15 ns” to “30 ns”.

_2

20000922

Product specification (9397 750 07549). ECN 853-2219 24638 of 22 September 2000.
Supersedes data of 2000 Apr 03.