XRT72L50 Datasheet, PDF (33/471 Pages) Exar Corporation – SINGLE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER

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XRT72L50
SINGLE CHANNEL DS3/E3 FRAMER IC WITH HDLC CONTROLLER
REV. 1.2.1
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUMS
Power Supply......................................... -0.3V to +3.6V
Storage Temperature ...............................-55°C to 150°C
Voltage at Any Pin .......................... -0.3V to VDD + 0.3V
Power Dissipation PQFP Package........................ 1.2W
Input Voltage (Any Pin) .....................-0.3V to VDD + 0.3V
Input Current (Any Pin) ...................................... + 100mA
DC ELECTRICAL CHARACTERISTICS
Test Conditions: TA = 25°C, VDD = 3.3V + 5% unless otherwise specified
SYMBOL
PARAMETER
MIN.
TYP.
I_{CC Power Supply Current}
V_{IL Input Low Voltage}
V_{IH Input High Voltage}
120
0.7*VDD
V_{OL Output Low Voltage}
V_{OH Output High Voltage}
2.4
I_IH
Input High Voltage Current
-10
I_IL
Input Low Voltage Current
-1
MAX.
UNITS
CONDITIONS
mA All Channels on
0.3*VDD V
V
0.4
V
I_OL = -1.6mA
V
I_OH = 40µA
10
µA
V_IH = VDD
1
µA
V_IL = 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
t₈
TxFrameRef hold-time, from rising edge of TxInClk
0
ns
CONDITIONS
Framer IC is
Frame Slave
Frame IC is
Frame Slave
20