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.
