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XR72L52 Datasheet, PDF (38/480 Pages) Exar Corporation – TWO CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
XRT72L52
REV. 1.0.1
xr
TWO CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUMS
Power Supply......................................... -0.3V to +5.0V
Storage Temperature ...............................-55°C to 150°C
Power Dissipation PQFP Package........................ 1.5W
Input Voltage (Any Pin) .....................-0.5V to VDD + 0.5V
Input Current (Any Pin) ...................................... + 100mA
DC ELECTRICAL CHARACTERISTICS
Test Conditions: TA = 25°C, VDD = 3.3V + 5% unless otherwise specified
SYMBOL
PARAMETER
MIN.
TYP.
ICC Power Supply Current
100
VIL Input Low voltage
VIH Input High Voltage
2.0
VOL Output Low Voltage
VOH Output High Voltage
2.4
IIH
Input High Voltage Current
-10
IIL
Input Low Voltage Current
-10
MAX.
0.8
0.4
10
10
UNITS
CONDITIONS
mA All Channels on
V
V
V
IOL = -1.6mA
V
IOH = 40µA
µA
VIH = VDD
µA
VIL = GND
AC ELECTRICAL CHARACTERISTICS
Test Conditions: TA = 25°C, VDD = 3.3V + 5% unless otherwise specified
SYMBOL
PARAMETER
MIN. TYP. MAX.
Transmit Payload Data Input Interface - Loop-Timed/Serial Mode (See Figure 3)
t1
Payload data (TxSer) set-up time to rising edge of
12
RxOutClk
t2
Payload data (TxSer) hold time, from rising edge of
0
RxOutClk
t3
RxOutClk to TxFrame output delay
5
t4
RxOutClk to TxOHInd output delay
6
Transmit Payload Data Input Interface - Local Timed/Serial Mode (See Figure 4)
t5
Payload data (TxSer) set-up time to rising edge of
4
TxInClk
t6
Payload data (TxSer) hold time, from rising edge of
0
TxInClk
t7
TxFrameRef set-up time to rising edge of TxInClk
2
UNITS
ns
ns
ns
ns
ns
ns
ns
CONDITIONS
Framer IC is
Frame Slave
22