MXL1544CAI Fast Delivery |IC PHOENIX CO.,LIMITED

MXL1544CAI ,+5V Multiprotocol, Software-Selectable Control TransceiversELECTRICAL CHARACTERISTICS(V = +5V, V = +6.8V, V = -5.6V, T = T to T , unless otherwise noted. Typi ..
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MXL1544CAI
+5V Multiprotocol, Software-Selectable Control Transceivers
General Description
The MXL1544/MAX3175 are four-driver/four-receiver
multiprotocol transceivers that operate from a single
+5V supply in conjunction with the MXL1543. The
MXL1544/MAX3175, along with the MXL1543 and
MXL1344A, form a complete software-selectable data
terminal equipment (DTE) or data communication
equipment (DCE) interface port that supports the V.28
(RS-232), V.10/V.11 (RS-449/V.36, EIA-530, EIA-530A,
X.21, RS-423), and V.35 protocols. The MXL1544/
MAX3175 transceivers carry serial interface control sig-
naling, while the MXL1543 carries the high-speed clock
and data signals. Typically, the MXL1543 is terminated
using the MXL1344A. The MAX3175 is identical to the
MXL1544 except for the addition of a 10µs (typ) glitch
rejection circuit at the receiver inputs. The MXL1544/
MAX3175 are available in 28-pin SSOP packages.
Applications
Data Networking
CSU and DSU
Data Routers
Switches
PCI Cards
Telecommunication Equipment
FeaturesMXL1544/MAX3175, MXL1543, MXL1344A Chipset
Is Pin Compatible with LTC1544, LTC1543,
LTC1344A ChipsetChipset Operates from a Single +5V SupplySoftware-Selectable DCE/DTESupports V.28 (RS-232), V.10/V.11 (RS-449/V.36,
EIA-530, EIA-530A, X.21, RS-423) ProtocolsFlow-Through Pin ConfigurationTrue Fail-Safe OperationLow 0.5µA Shutdown Current (No-Cable Mode)10µs Receiver Input Deglitching (MAX3175 Only)TUV-Certified NET1/NET2 and TBR1/TBR2
Compliant
MXL1544/MAX3175
+5V Multiprotocol, Software-Selectable
Control Transceivers
Ordering Information
19-1992; Rev 0; 4/01
Typical Operating Circuit
Pin Configuration appears at end of data sheet.
MXL1544/MAX3175
+5V Multiprotocol, Software-Selectable
Control Transceivers
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
All Voltages to GND Unless Otherwise Noted
Supply Voltages
VCC.......................................................................-0.3V to +6V
VDD....................................................................-0.3V to +7.2V
VEE........................................................................+0.3V to -7V
VDDto VEE(Note 1)............................................................13V
Logic Input Voltage
M0, M1, M2, DCE/DTE, INVERT, T_IN..................-0.3V to +6V
Logic Output Voltage
R_OUT....................................................-0.3V to (VCC+ 0.3V)
Transmitter Outputs
T_OUT_, T_OUT_/R_IN........................................-15V to +15V
Short-Circuit Duration.............................................Continuous
Receiver Inputs
R_IN_, T_OUT_/R_IN_.........................................-15V to +15V
Continuous Power Dissipation (TA= +70°C)
28-Pin SSOP (derate 11.1mW/°C above +70°C).........889mW
Operating Temperature Range...............................0°C to +70°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
Note 1:VDDand VEE- can have maximum magnitude of 7.2V and 7V, respectively, but their difference cannot exceed 13V.
MXL1544/MAX3175
+5V Multiprotocol, Software-Selectable
Control Transceivers
ELECTRICAL CHARACTERISTICS (continued)
MXL1544/MAX3175
+5V Multiprotocol, Software-Selectable
Control Transceivers
ELECTRICAL CHARACTERISTICS (continued)
MXL1544/MAX3175
+5V Multiprotocol, Software-Selectable
Control Transceivers
0.1110100100010,000
V.11 MODE SUPPLY CURRENT (ICC)
vs. DATA RATE
MXL1544/MAX3175 toc01
DATA RATE (kbps)
ICC
(mA)
0.1110100100010,000
V.11 MODE SUPPLY CURRENT (IDD)
vs. DATA RATE
MXL1544/MAX3175 toc02
DATA RATE (kbps)
IDD
(mA)5
0.1110100100010,000
V.11 MODE SUPPLY CURRENT (IEE)
vs. DATA RATE
MXL1544/MAX3175 toc03
DATA RATE (kbps)
IEE
(mA)5
Typical Operating Characteristics
(TA = +25°C, unless otherwise noted.)
ELECTRICAL CHARACTERISTICS (continued)
(VCC= +5V, VDD= +6.8V, VEE= -5.6V, TA= TMINto TMAX, unless otherwise noted. Typical values are at TA= +25°C.) (Note 2)
Note 2:MXL1544/MAX3175 are designed to operate with VDDand VEEsupplied by the MXL1543 charge pump.
MXL1544/MAX3175
+5V Multiprotocol, Software-Selectable
Control Transceivers
Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
MXL1544/MAX3175
+5V Multiprotocol, Software-Selectable
Control Transceivers
V.10 TRANSMITTER RISE AND FALL TIME
vs. LOAD CAPACITANCE
MXL1544/MAX3175 toc13
CAPACITANCE (pF)
RISE/FALL TIME (
4µs/div
MXL1544 LOOPBACK SCOPE PHOTO
V.11 MODE (UNLOADED)
TIN
TOUT/
RIN5V/div
5V/div
5V/div
MXL1544/MAX3175 toc14
ROUT
4µs/div
MXL1544 LOOPBACK SCOPE PHOTO
V.28 MODE (LOADED)
TIN
TOUT/
RIN
5V/div
5V/div
5V/div
MXL1544/MAX3175 toc15
ROUT
4µs/div
MXL1544 LOOPBACK SCOPE PHOTO
V.10 MODE (LOADED)
TIN
TOUT/
RIN5V/div
5V/div
5V/div
MXL1544/MAX3175 toc16
ROUT
V.28 RECEIVER INPUT CURRENT
vs. INPUT VOLTAGE
MXL1544/MAX3175 toc11
INPUT VOLTAGE (V)
INPUT CURRENT (mA)
V.28 SLEW RATE vs. LOAD CAPACITANCE
MXL1544/MAX3175 toc12
CAPACITANCE (pF)
SLEW RATE (V/
Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)
MXL1544/MAX3175
+5V Multiprotocol, Software-Selectable
Control Transceivers
MXL1544/MAX3175
+5V Multiprotocol, Software-Selectable
Control Transceivers
Detailed Description
The MXL1544/MAX3175 are four-driver/four-receiver
multiprotocol transceivers that operate from a single
+5V supply and the charge pump from the MXL1543.
The MXL1544/MAX3175, along with the MXL1543 and
MXL1344A, form a complete software-selectable DTE
or DCE interface port that supports the V.28 (RS-232),
V.10/V.11 (RS-449, V.36, EIA-530, EIA-530A, X.21, RS-
423), and V.35 protocols. The MXL1544 or MAX3175
usually carries the control signals. The MXL1543 car-
ries the high-speed clock and data signals, and the
MXL1344A provides termination for the clock and data
signals.
The MXL1544/MAX3175 feature a 0.5µA no-cable
mode, true fail-safe operation, and thermal shutdown
circuitry. Thermal shutdown protects the drivers against
excessive power dissipation. When activated, the ther-
mal shutdown circuitry places the driver outputs into a
high-impedance state. The MAX3175 deglitching fea-
ture reduces errors in unterminated equipment.
The state of the mode-select pins M0, M1, and M2
determines which serial-interface protocol is selected
(Table 1). The state of the DCE/DTEinput determines
whether the transceivers will be configured as a DTE
serial port or a DCE serial port. When the DCE/DTE
input is logic HIGH, driver T3 is activated and receiver
R1 is disabled. When the DCE/DTEinput is logic LOW,
driver T3 is disabled and receiver R1 is activated. The
INVERT pin state changes the DCE/DTEfunctionality
regarding T4 and R4 only. M0, M1, M2, INVERT, and
DCE/DTEare internally pulled up to VCCto ensure logic
HIGH if left unconnected.
MXL1544/MAX3175
+5V Multiprotocol, Software-Selectable
Control Transceivers

Partno	Mfg	Dc	Qty	Available	Descript
MXL1544CAI	MAXIM	N/a	7	avai	+5V Multiprotocol, Software-Selectable Control Transceivers