XRT7250 Datasheet, PDF (37/463 Pages) Exar Corporation – DS3/E3 FRAMER IC

XRT7250 DS3/E3 FRAMER IC
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REV. 1.1.1
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUMS
ABSOLUTE MAXIMUM RATINGS:
Power Supply............................................ -0.5V to +6.5V
Power Dissipation TQFP Package........................... 1.2W
Storage Temperature ...............................-65°C to 150°C
Input Voltage (Any Pin) .....................-0.5V to VDD + 0.5V
voltage at Any Pin .......................... -0.5V to VDD + 0.5V
Input Current (Any Pin) ...................................... + 100mA
DC ELECTRICAL CHARACTERISTICS
Test Conditions: TA = 25(C, VCC = 5.0V + 5% unless otherwise specified
SYMBOL
PARAMETER
MIN. TYP.
I_{CC Power Supply Current}
160
I_{LL Data Bus Tri-State Bus Leakage Current}
V_{IL Input Low voltage}
V_{IH Input High Voltage}
2.0
V_{OL Output Low Voltage}
0.0
V_{OH Output High Voltage}
2.4
I_{OC Open Drain Output Leakage Current}
I_IH
Input High Voltage Current
-10
I_IL
Input Low Voltage Current
-10
MAX.
0.8
VCC
0.4
VCC
10
10
UNITS
mA
µA
V
V
V
V
µA
µA
µA
CONDITIONS
I_OL = -1.6mA
I_OH = 40µA
V_IH = VCC
V_IL = GND
AC ELECTRICAL CHARACTERISTICS
Test Conditions: TA = 25(C, VCC = 5.0V + 5% unless otherwise specified
SYMBOL
PARAMETER
MIN. TYP. MAX.
Transmit Payload Data Input Interface - Loop-Timed/Serial Mode (See Figure 1)
t₁
Payload data (TxSer) set-up time to rising edge of
1
RxOutClk
t₂
Payload data (TxSer) hold time, from rising edge of
4
RxOutClk
t₃
RxOutClk to TxFrame output delay
t₄
RxOutClk to TxOHInd output delay
3
7
3
7
Transmit Payload Data Input Interface - Local Timed/Serial Mode (See Figure 2)
t₅
Payload data (TxSer) set-up time to rising edge of
2
"TxInClk"
t₆
Payload data (TxSer) hold time, from rising edge of
6
"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"
18