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DS229SN Datasheet

  • DS229SN

  • Triple RS-232 Transmitter/Receiver

  • 9頁

  • DALLAS   DALLAS

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DS229
Triple RS-232 Transmitter/Receiver
www.dalsemi.com
FEATURES
Compatible with DS1229
5V operation
20-pin DIP or SOIC package
20-pin TSSOP package for height restricted
applications
Operate from single +5V power
Meets all EIA-232E and V.28 specifications
Uses small capacitors: 0.1
碌F
Optional industrial temperature range
available (-40擄C to +85擄C)
PIN ASSIGNMENT
C1+
V+
C1-
C2+
C2-
V-
T2
OUT
R2
IN
T3
OUT
R3
IN
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
CC
GND
T1
OUT
R1
IN
R1
OUT
T1
IN
T2
IN
R2
OUT
T3
IN
R3
OUT
20-Pin DIP, SOIC AND TSSOP
ORDERING INFORMATION
DS229
DS229N
DS229S
DS229SN
DS229E
DS229EN
20-pin DIP
20-pin DIP (Industrial)
20-pin SOIC
20-pin SOIC (Industrial)
20-pin TSSOP
20-pin TSSOP (Industrial)
PIN DESCRIPTION
V
CC
GND
V+
V-
T1
IN
, T2
IN
, T3
IN
T1
OUT
, T2
OUT
, T3
OUT
R1
IN
, R2
IN
, R3
IN
R1
OUT
, R2
OUT
, R3
OUT
C1+, C1-
C2+, C2-
- +5-Volt Supply
- Ground
- Positive Supply Output
- Negative Supply Output
- RS-232 Driver Inputs
- RS-232 Driver Outputs
- Receiver Inputs
- Receiver Outputs
- Capacitor 1 Connections
- Capacitor 2 Connections
DESCRIPTION
The DS229 is a triple RS-232 driver/receiver pair that generates RS-232 voltage levels from a single +5-
volt power supply. Additional
鹵12-volt
supplies are not needed since the DS229 uses on-board charge
pumps to convert the +5-volt supply to
鹵10
volts. The DS229 is fully compliant with EIA RS-232E and
V.28/V.24 standards. The DS229 contains three drivers and three receivers. Driver slew rates and data
rates are guaranteed up to 116 kbits/sec. The DS229 operates with only 0.1
碌F
charge pump capacitors.
OPERATION
The diagram in Figure 1 shows the main elements of the DS229. The following paragraphs describe the
function of each pin.
1 of 9
112099

DS229SN 產(chǎn)品屬性

  • 37

  • 集成電路 (IC)

  • 接口 - 驅(qū)動器，接收器，收發(fā)器

  • -

  • 收發(fā)器

  • 3/3

  • RS232

  • 4.5 V ~ 5.5 V

  • 表面貼裝

  • 20-SOIC（0.295"，7.50mm 寬）

  • 20-SOIC W

  • 管件

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