參數(shù)資料
型號: XRT72L73
廠商: Exar Corporation
元件分類: 通信及網(wǎng)絡(luò)
英文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
中文描述: Ultraframer DS3/E3/DS2/E2/DS1/E1/DS0
文件頁數(shù): 35/105頁
文件大?。?/td> 1307K
代理商: XRT72L73
á
XRT72L73
THREE CHANNEL, DS3 ATM UNI/CLEAR-CHANNEL FRAMER IC
PRELIMINARY
REV. P1.0.1
35
ABSOLUTE MAXIMUM RATINGS
Power Supply....................................-0.5V to +3.6V
Power Dissipation TQFP Package ...........................1.2W
Storage Temperature.......................-65
°
C to 150°C
Input Voltage (Any PIn)........................-0.5V to VDD + 5V
Voltage at Any Pin...........................-0.5V to VDD + 5 V
Input Current (Any Pin).......................................+ 100mA
DC ELECTRICAL CHARACTERISTICS
Test Conditions: T
A
= 25°C, VDD = 3.3V ± 5% unless otherwise specified
S
YMBOL
P
ARAMETER
M
IN
.
T
YP
.
M
AX
.
U
NITS
C
ONDITIONS
I
CC
Power Supply Current
120
mA
TxUClk and RxUClk
are operating at
25MHz
I
LL
Data Bus Tri-State Bus Leakage Current
μA
V
IL
Input Low Voltage
0.8
V
V
IH
Input High Voltage
2.0
VDD
V
V
OL
Output Low Voltage
0.0
0.4
V
V
OH
Output High Voltage
2.4
VDD
V
I
OC
= 1.6mA
I
OC
Open Drain Output Leakage Current
μA
I
OH
= 40μA
I
IH
Input High Voltage Current
-10
10
μA
V
IH
= VDD
I
IL
Input Low Voltage Current
-10
10
μA
V
IL
= GND
AC ELECTRICAL CHARACTERISTICS
Test Conditions: T
A
= 25°C, VDD = 3.3V ± 5% unless otherwise specified
S
YMBOL
P
ARAMETER
M
IN
.
T
YP
.
M
AX
.
U
NITS
C
ONDITIONS
Transmit UTOPIA Interface Block (See Figure 4 )
t
1
TxUData[15:0] to rising edge of TxU-
Clk Setup Time
4
ns
t
2
TxUData[15:0] Hold Time from rising
edge of TxUClk
1
ns
t
3
TxUTOPIA Write Enable Setup Time
to rising edge of TxUClk
4
ns
t
4
TxUTOPIA Write Enable Hold Time
from rising edge of TxUClk
1
ns
t
5
TxUPrty Setup Time to rising edge of
TxUClk
4
ns
t
6
TxUPrty Hold Time from rising edge
of TxUClk
1
ns
t
7
TxUSoC Setup Time to rising edge of
TxUClk
4
ns
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