參數(shù)資料
型號: SC16C554B
廠商: NXP Semiconductors N.V.
英文描述: 5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
中文描述: 5伏,3.3伏和2.5伏兆5四異步/秒(最大),16字節(jié)的FIFO
文件頁數(shù): 35/51頁
文件大?。?/td> 253K
代理商: SC16C554B
9397 750 13133
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 01 — 9 February 2005
35 of 51
Philips Semiconductors
SC16C554B/554DB
5 V, 3.3 V and 2.5 V quad UART, 5 Mbit/s (max.) with 16-byte FIFOs
9.
Static characteristics
[1]
Except XTAL2, V
OL
= 1 V typical.
Refer to
Table 2 “Pin description” on page 9
for a listing of pins having internal pull-up resistors.
[2]
Table 25:
T
amb
=
40
°
C to +85
°
C; V
CC
= 2.5 V 3.3 V or 5.0 V
±
10 %, unless otherwise specified.
Symbol
Parameter
Conditions
Static characteristics
2.5 V
Typ
-
3.3 V
Typ
-
5.0 V
Typ
-
Unit
Min
0.3
Max
+0.45
0.3
Min
Max
+0.6
Min
0.5
Max
+0.6
V
IL(CK)
LOW-level clock input
voltage
HIGH-level clock input
voltage
LOW-level input voltage
(except XTAL1 clock)
HIGH-levelinputvoltage
(except XTAL1 clock)
LOW-level output
voltage on all outputs
[1]
V
V
IH(CK)
1.8
-
V
CC
2.4
-
V
CC
3.0
-
V
CC
V
V
IL
0.3
-
+0.65
0.3
-
+0.8
0.5
-
+0.8
V
V
IH
1.6
-
-
2.0
-
-
2.2
-
-
V
V
OL
I
OL
= 5 mA
(databus)
I
OL
= 4 mA
(other outputs)
I
OL
= 2 mA
(databus)
I
OL
= 1.6 mA
(other outputs)
I
OH
=
5 mA
(databus)
I
OH
=
1 mA
(other outputs)
I
OH
=
800
μ
A
(data bus)
I
OH
=
400
μ
A
(other outputs)
-
-
-
-
-
-
-
-
0.4
V
-
-
-
-
-
0.4
-
-
-
V
-
-
0.4
-
-
-
-
-
-
V
-
-
0.4
-
-
-
-
-
-
V
V
OH
HIGH-level output
voltage
-
-
-
-
-
-
2.4
-
-
V
-
-
-
2.0
-
-
-
-
-
V
1.85
-
-
-
-
-
-
-
-
V
1.85
-
-
-
-
-
-
-
-
V
I
LIL
LOW-levelinputleakage
current
clock leakage
supply current
input capacitance
internal pull-up
resistance
[2]
-
-
±
10
-
-
±
10
-
-
±
10
μ
A
I
CL
I
CC
C
i
R
pu(int)
-
-
-
500
-
-
-
-
±
30
4.5
5
-
-
-
-
500
-
-
-
-
±
30
6
5
-
-
-
-
500
-
-
-
-
±
30
6
5
-
μ
A
mA
pF
k
f = 5 MHz
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