參數(shù)資料
型號(hào): SP3223HCA
英文描述: SOCKET, D, FILTERED, 1000PF, 62WAY; Connector type:D Sub, High-Density; Gender:Socket; Ways, No. of:62; Termination method:Solder; Material, contact:Copper Alloy; Plating, contact:Bright Tin; Series:FHTB; Material:Steel; Current RoHS Compliant: Yes
中文描述: 高速智能3.0V至5.5V的RS - 232收發(fā)器
文件頁數(shù): 11/23頁
文件大?。?/td> 164K
代理商: SP3223HCA
Rev. 6/30/03
SP3223H +3.0V to +5.5V RS-232 Transceivers
11
Copyright 2003 Sipex Corporation
The
SP3223H
and
SP3243H
drivers can main-
tain high data rates over 460Kbps fully loaded.
Figure 12
shows a loopback test circuit used to
test the RS-232 Drivers.
Figure 13
shows the test
results of the loopback circuit with all three
drivers active at 120Kbps with typical
RS-232 loads in parallel with 1000pF capacitors.
Figure 14
shows the test results where one driver
was active at 1Mbps and all three drivers loaded
with an RS-232 receiver in parallel with a 1000pF
Table 2. SHUTDOWN and EN Truth Tables
Note: In Auto-Online Mode where ONLINE = GND and
SHUTDOWN = V
, the device will shut down if there is
no activity present at the Receiver inputs.
Figure 12. Loopback Test Circuit for RS-232 Driver
Data Transmission Rates
capacitor. A superior RS-232 data transmission
rate of 1Mbps makes the
SP3223H/3243H
se-
ries an ideal match for high speed LAN and
personal computer peripheral applications.
Receivers
The receivers convert +5.0V EIA/TIA-232
levels to TTL or CMOS logic output levels. All
receivers have an inverting output that can be
disabled by using the EN pin.
Receivers are active when the
Auto-Online
Figure 13. Loopback Test Circuit 1 Driver Fully Loaded
Figure 14. Loopback Test Circuit
(All Drivers Fully Loaded)
H
3
2
2
3
P
S
:
E
C
I
V
E
D
N
W
O
D
T
U
H
S
N
E
T
X
T
U
O
R
X
T
U
O
0
0
Z
h
g
H
e
v
A
0
1
Z
h
g
H
Z
h
g
H
1
0
e
v
A
e
v
A
1
1
e
v
A
Z
h
g
H
H
3
4
2
3
P
S
:
E
C
I
V
E
D
N
W
O
D
T
U
H
S
T
X
T
U
O
R
X
T
U
O
R
2
T
U
O
0
Z
h
g
H
Z
h
g
H
e
v
A
1
e
v
A
e
v
A
e
v
A
SP3223H
2
4
6
5
3
7
19
GND
T
1
IN
T
X
IN
C1+
C1-
C2+
C2-
V+
V-
V
CC
0.1
μ
F
0.1
μ
F
0.1
μ
F
+
C2
C5
C1
+
+
C3
C4
+
+
0.1
μ
F
0.1
μ
F
TTINPUTS
+3V to +5V
18
SHUTDOWN
20
5K
R
1
OUT
5K
R
X
IN
R
X
OUT
OUTPUTS
EN
1
ONLINE
11STATUS
14
R
1
IN
T
X
OUT
T
1
OUT
V
CC
μ
P Supervisor
To
1000pF
1000pF
相關(guān)PDF資料
PDF描述
SP3223HCP SOCKET, D, FILTERED, 330PF, 62WAY; Connector type:D Sub, High-Density; Gender:Socket; Ways, No. of:62; Termination method:Solder; Material, contact:Copper Alloy; Plating, contact:Bright Tin; Series:FHTB; Material:Steel; Current RoHS Compliant: Yes
SP3243H 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
SP3223H 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
SP3223HCY SOCKET, 4WAY; Connector type:Rectangular; Gender:Socket; Ways, No. of:4; Termination method:Solder; Material, contact:Copper Alloy; Plating, contact:Silver; Connector insert type:Female; Contact style:Socket; Colour:Green; Insulation RoHS Compliant: Yes
SP3243HCA 5V High-Speed RS-232 Transceivers with 0.1uF Capacitors
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