XRT59L921 Datasheet, PDF (15/32 Pages) Exar Corporation – TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT

REV. 1.2.1
XRT59L921
TWENTY-ONE CHANNEL E1 LINE INTERFACE UNIT
FIGURE 3. E1. ITU G.703 PULSE TEMPLATE FOR TRANSMITTER OUTPUT
269 ns
(2 44 + 25 )
V = 100%
194 ns
(2 44 – 50 )
N o m in a l p u lse
50%
0%
244 ns
219 ns
(24 4 – 2 5)
488 ns
(24 4 + 2 44)
N ote – V corresponds to the nom inal peak value.
DC ELECTRICAL CHARACTERISTICS
TA=-25°C, VDD=3.3V±5%, unless otherwise specified
PARAMETER
SYMBOL
MIN
TYP
Power Supply Voltage
VDD
3.13
3.3
Input High Voltage
VIH
2.0
-
Input Low Voltage
VIL
-0.5
-
Output High Voltage @ IOH=-5mA
VOH
2.4
-
Output Low Voltage @ IOL=5mA
VOL
-
Input Leakage Current (except Input pins w/ pull-up
IL
-
-
resistor.)
Input Capacitance
CI
5.0
Output Load Capacitance
CL
-
-
MAX
3.46
5.0
0.8
-
- 0.4
± 10
25
UNIT
V
V
V
V
V
µA
pF
pF
13