參數(shù)資料
型號(hào): XRT79L74
廠商: Exar Corporation
英文描述: 4 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
中文描述: 4 -通道DS3/E3自動(dòng)柜員機(jī)用戶(hù)到網(wǎng)絡(luò)接口/ Combo IC對(duì)購(gòu)買(mǎi)力平價(jià)
文件頁(yè)數(shù): 63/70頁(yè)
文件大小: 547K
代理商: XRT79L74
PRELIMINARY
XRT79L74
REV. P1.0.0
4 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
61
RECEIVE PAYLOAD DATA OUTPUT INTERFACE
RECEIVE PAYLOAD DATA OUTPUT INTERFACE - TIMING REQUIREMENTS
T
ABLE
11: T
IMING
I
NFORMATION
FOR
THE
R
ECEIVE
P
AYLOAD
D
ATA
O
UTPUT
I
NTERFACE
B
LOCK
Test Conditions: TA = 25°C, VDD = 3.3V + 5% unless otherwise specified
S
YMBOL
P
ARAMETER
M
IN
.
T
YP
.
M
AX
.
U
NITS
C
ONDITIONS
Receive Payload Data Output Interface Timing - Serial Mode Operation (See Figure 17)
t
50
Rising edge of RxClk to Payload Data (RxSer) out-
put delay
13
16
ns
ns
DS3 Applications
E3 Applications
t
51
Rising edge of RxClk to RxFrame output delay
13
16
ns
ns
DS3 Applications
E3 Applications
t
52
Rising edge of RxClk to RxOHInd output delay.
13
16
ns
ns
DS3 Applications
E3 Applications
Receive Payload Data Output Interface Timing - Nibble Mode Operation (see Figure 18)
Falling edge of RxClk to rising edge of RxFrame out-
put delay
Falling edge of RxClk to rising edge of RxNib[3:0]
output delay
t
53
2.1
ns
t
54
2
ns
F
IGURE
17. T
IMING
D
IAGRAM
FOR
THE
R
ECEIVE
P
AYLOAD
D
ATA
O
UTPUT
I
NTERFACE
(S
ERIAL
M
ODE
)
XRT79L74 Receive Payload Data I/F Signals
RxClk
RxSer
RxFrame
RxOHInd
Payload[4702]
Payload[4703]
X-Bit
Payload[0]
t50
t51
t52
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XRT79L74IB 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:4 - CHANNEL DS3/E3 ATM UNI/PPP COMBO IC
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XRT8000_06 制造商:EXAR 制造商全稱(chēng):EXAR 功能描述:Clock Synchronizer/Adapter for Communications
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