参数资料
型号: MAX3173CAI+
厂商: Maxim Integrated Products
文件页数: 2/15页
文件大小: 0K
描述: IC TXRX CLK MULTIPROT 28-SSOP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 46
类型: 收发器
驱动器/接收器数: 3/3
规程: RS232
电源电压: 3 V ~ 3.6 V
安装类型: 表面贴装
封装/外壳: 28-SSOP(0.209",5.30mm 宽)
供应商设备封装: 28-SSOP
包装: 管件
MAX3171/MAX3173
+3.3V Multiprotocol 3Tx/3Rx
Software-Selectable Control Transceivers
10
______________________________________________________________________________________
V.10 Interface
The V.10 interface (Figure 10) is an unbalanced single-
ended interface capable of driving a 450
load. The
V.10 driver generates a ±4V (min) VODO voltage across
A' and C' when unloaded and a minimum of ±0.9
VODO voltage with a 450
load. The V.10 receiver input
trip threshold is defined between +300mV and -300mV
with the input impedance characteristic shown in
Figure 8.
The MAX3171/MAX3173 V.10 mode receiver has a
threshold between +25mV and +300mV to ensure that
the receiver has proper fail-safe operation (see Fail-
D1
D2
D3
R1
R2
R3
MAX3170
RXD(DTE)
TXD(DCE)
RXC(DTE)
SCTE(DCE)
TXD(DTE)
RXD(DCE)
TXC(DTE)
TXC(DCE)
SCTE(DTE)
RXC(DCE)
M1
M2
M0
DCE/DTE
D1
R4
D4
D2
D3
R1
R2
R3
MAX3171
MAX3173
M1
M2
M0
DCE/DTE
CTS(DTE)
RTS(DCE)
DSR(DTE)
DTR(DCE)
RTS(DTE)
CTS(DCE)
DTR(DTE)
DSR(DCE)
DCD(DTE)
DCD(DCE)
M2
M1
M0
M1
M0
DCE/DTE
CTS
B
CTS
A
DSR
DCD
DTR
B
DTR
A
RTS
B
RTS
A
SHIELD
SG
RXD
RXC
TXC
B
TXC
A
SCTE
B
SCTE
A
TXD
B
TXD
A
DB-25 CONNECTOR
DTE
DCE
RTS
B
RTS
A
DTR
B
DTR
A
DCD
DSR
CTS
B
CTS
A
TXD
B
TXD
A
SCTE
B
SCTE
A
TXC
B
TXC
A
RXC
RXD
CABLE WIRING FOR
MODE SELECTION
MODE
V.35
RS-449, V.36
RS-232
PIN 18
PIN 7
N.C.
PIN 7
PIN 21
PIN 7
N.C.
CABLE WIRING FOR
DCE/DTE SELECTION
MODE
DTE
DCE
PIN 25
PIN 7
N.C.
13 5
10 8
22 6
23 20 19 4
1
7
18 21
25
16 3
9 17
12 15 11 24 14 2
VCC
MAX3172
MAX3174
Figure 6. Cable-Selectable Multiprotocol DCE/DTE Port
Figure 7. Typical V.11 Interface
100
MIN
A
B
C
A
B
C
GENERATOR
BALANCED
INTERCONNECTING
CABLE
TERMINATION
RECEIVER
LOAD
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