XRT4500 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'XRT4500' PDF : 96 Pages View PDF
XRT4500
MULTIPROTOCOL SERIAL NETWORK INTERFACE IC
REV. 1.0.5
áç
7. Input termination is enabled on High Speed V.11
Receivers.
IDD in DTE Mode - Ta=25°C, VDD=5V, Data and Clock at maximum operating frequencies unless other-
wise specified
PARAMETER
MIN
TYP
MAX
UNITS
TEST CONDITIONS
V.10
M0=0, M1=0, M2=0
145
160
190
mA No Load or Signal, Tx Digital Inputs tied High
160
180
215
Typical Load at 10 kHz
170
190
230
Typical Load at 50 kHz
EIA-530-A (V.11)
M0=1, M1=0, M2=0
130
145
175
mA No Load or Signal, Tx Digital Inputs tied High
190
210
250
Typical Load at 1 MHz
210
235
280
Typical Load at 4 MHz
250
280
335
Typical Load at 10 MHz
EIA-530, RS449, V.36
M0=0, M1=1, M2=0
125
140
170
mA No Load or Signal, Tx Digital Inputs tied High
180
200
240
Typical Load at 1 MHz
205
230
275
Typical Load at 4 MHz
245
275
330
Typical Load at 10 MHz
X.21
M0=1, M1=1, M2=0
120
130
155
mA No Load or Signal, Tx Digital Inputs tied High
170
190
230
Typical Load at 1 MHz
190
210
250
Typical Load at 4 MHz
230
255
305
Typical Load at 10 MHz
V.35
M0=0, M1=0, M2=1
180
200
240
mA No Load or Signal, Tx Digital Inputs tied High
220
245
295
Typical Load at 1 MHz
235
260
310
Typical Load at 4 MHz
255
285
340
Typical Load at 10 MHz
RESERVED
M0=1, M1=0, M2=1
125
140
170
mA No Load or Signal, Tx Digital Inputs tied High
185
205
245
Typical Load at 1 MHz
205
230
275
Typical Load at 4 MHz
245
275
330
Typical Load at 10 MHz
RS-232 (V.28)
M0=0, M1=1, M2=1
115
130
155
mA No Load or Signal, Tx Digital Inputs tied High
200
220
265
Typical Load at 10 kHz
205
230
275
Typical Load at 100 kHz
POWER DOWN
M0=1, M1=1, M2=1
80
90
110
mA Reduced Power Mode
NOTES:
1. Absolute Maximum Ratings are those beyond
which the safety of a device may be impaired.
2. All currents into device pins are positive; all cur-
rents out of device are negative. All voltages are
referenced to device ground unless otherwise
specified.
3. The efficiency of the switching regulator and the
charge pump is approximately 70%. The actual
power dissipation of the XRT4500 at 5V, with maxi-
mum loading, is 660mW in V.10, 700mW in V.11,
950mW in V.35 and 800mW in the V.28 mode. In
the “Reduced Power Mode” the XRT4500 chip dis-
sipation is 310mW.
4. "Typical Load" is the corresponding receiver in
another XRT4500 operating in the DCE mode.
5. A 50% duty cycle square wave, at the specified fre-
quency in the table, is applied to all Clock and Data
lines of the High Speed Transmitters).
6. A 10 KHz 50% duty cycle square wave is applied to
all Handshake Lines (Low Speed Transmitters).
7. Input termination is enabled on High Speed V.11
Receivers.
27
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