參數(shù)資料
型號: XRT79L72
廠商: Exar Corporation
英文描述: 2 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
中文描述: 2 -通道DS3/E3自動柜員機(jī)用戶到網(wǎng)絡(luò)接口/ Combo IC對購買力平價(jià)
文件頁數(shù): 54/72頁
文件大小: 441K
代理商: XRT79L72
XRT79L72
REV. P1.0.2
PRELIMINARY
2 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
xr
51
DS3/E3 LIU INTERFACE - LINE SIDE ELECTRICAL CHARACTERISTIC INFORMATION
E3 LINE SIDE PARAMETERS
The XRT79L72 line output at the Transmit Output complies with the pulse template requirements as specified
in ITU-T G.703 for 34.368Mbps operation. The pulse mask as specified in ITU-T G.703 for 34.368Mbps is
shown below in Figure 8.
t11
Clock high to pOE_L low
11
-
-
t12
Clock high to pOE_L high
1.5
-
4.1
F
IGURE
8. P
ULSE
M
ASK
FOR
E3 (34.368M
BPS
) I
NTERFACE
AS
PER
ITU-T G.703
T
ABLE
5: E3 T
RANSMITTER
LINE
SIDE
OUTPUT
AND
RECEIVER
LINE
SIDE
INPUT
SPECIFICATIONS
PARAMETER
MIN
TYP
MAX
UNITS
T
RANSMITTER
LINE
SIDE
OUTPUT
CHARACTERISTICS
Transmit Output Pulse Amplitude
(Measured at secondary of the transformer)
0.9
1.0
1.1
V
pk
Transmit Output Pulse Amplitude Ratio
0.95
1.00
1.05
Transmit Output Pulse Width
12.5
14.55
16.5
ns
Transmit Intrinsic Jitter (without Jitter Attenuator in theTransmit path)
0.01
0.015
UI
PP
Transmit Intrinsic Jitter ( with Jitter Attenuator in the Transmit path)
0.02
0.03
UI
PP
T
ABLE
4: T
IMING
I
NFORMATION
FOR
THE
M
ICROPROCESSOR
I
NTERFACE
,
WHEN
CONFIGURED
TO
OPERATE
IN
THE
IBM P
OWER
PC403 M
ODE
Test Conditions: TA = 25°C, VCC = 3.3V±5% and 2.5V±5%, unless otherwise specified.
T
IMING
D
ESCRIPTION
M
IN
.
T
YP
.
M
AX
.
0%
50%
V = 100%
14.55ns
Nominal Pulse
12.1ns
(14.55 - 2.45)
17 ns
(14.55 + 2.45)
8.65 ns
10%
10%
20%
相關(guān)PDF資料
PDF描述
XRT79L72IB 2 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L73 3 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L73IB 3 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L74 4 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L74IB 4 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT79L72IB 制造商:EXAR 制造商全稱:EXAR 功能描述:2 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L73 制造商:EXAR 制造商全稱:EXAR 功能描述:3 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L73IB 制造商:EXAR 制造商全稱:EXAR 功能描述:3 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L74 制造商:EXAR 制造商全稱:EXAR 功能描述:4 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
XRT79L74IB 制造商:EXAR 制造商全稱:EXAR 功能描述:4 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC