REV. 1.0.2 BITS (BUILDING INTEGRATED TIMING SUPPLY) CLOCK EXTRACTOR 10 NOTES
參數(shù)資料
型號: XRT85L61IGTR-F
廠商: Exar Corporation
文件頁數(shù): 3/19頁
文件大?。?/td> 0K
描述: IC BITS CLOCK EXTRACTOR 28STSSOP
標(biāo)準(zhǔn)包裝: 2,500
功能: BITS 時鐘提取器
接口: E1,T1
電路數(shù): 1
電源電壓: 3.14 V ~ 3.47 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 28-TSSOP(0.173",4.40mm 寬)
供應(yīng)商設(shè)備封裝: 28-TSSOP
包裝: 帶卷 (TR)
包括: 無晶數(shù)字式抖動衰減器
xr
XRT85L61
REV. 1.0.2
BITS (BUILDING INTEGRATED TIMING SUPPLY) CLOCK EXTRACTOR
10
NOTES:
1.
V1 and V2 indicate AMI code-rule violations, and give the 8kHz timing.
2. V1 and V2 have different violation polarity with respect to each other.
3. nV indicates no violation (violation stealing) and gives the 400 Hz timing.
1.2
2048 kHz RZ E1 Mode
In this mode, the XRT85L61 receives a standard E1 signal as shown in Figure 6. Table 4 gives the details of
the E1 pulse.
FIGURE 5. INPUT DATA 64 KHZ + 8 KHZ + 400 HZ OPERATION (S1 = 0, S2 = 0, S3 = 1)
FIGURE 6. E1 PULSE MASK (G.703)
V1
125
s
(8 kHz)
125
s
(8 kHz)
125
s
(8 kHz)
125
s
(8 kHz)
nV
V2
V1
V2
nV
(8 kHz)
(400 Hz)
LCV
if nV is
Missing
10%
26 9 n s
(2 4 4 + 2 5 )
19 4 ns
(2 4 4–5 0 )
24 4 n s
21 9 n s
(2 4 4 – 2 5 )
48 8 n s
(2 4 4 + 2 44)
0%
50%
20%
V = 10 0%
No m in a l p u ls e
No te – V co rres ponds to th e nom in al pea k valu e.
20%
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