參數(shù)資料
型號: DS3105LN+
廠商: Maxim Integrated Products
文件頁數(shù): 62/124頁
文件大?。?/td> 0K
描述: IC TIMING LINE CARD 64-LQFP
產(chǎn)品培訓(xùn)模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝: 160
類型: 定時卡 IC,多路復(fù)用器
PLL:
主要目的: 以太網(wǎng),SONET/SDH,Stratum,電信
輸入: CMOS,LVDS,LVPECL,TTL
輸出: CMOS,LVDS,LVPECL,TTL
電路數(shù): 1
比率 - 輸入:輸出: 5:2
差分 - 輸入:輸出: 無/是
頻率 - 最大: 312.5MHz
電源電壓: 1.62 V ~ 1.98 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 64-LQFP
供應(yīng)商設(shè)備封裝: 64-LQFP(10x10)
包裝: 托盤
DS3105
42
FREQUENCY (MHz)
T0 APLL
T4 APLL
OFREQn
JITTER
(TYP)
T0FREQ
T4FT0
T4FREQ
RMS
(ps)
pk-pk
(ns)
250.000
OC6 only
GbE
÷ 16
APLL/1
60
0.60
274.944
OC6 only
70
0.70
311.040
OC6 only
77.76
APLL/1
50
0.50
312.500
OC6 only from T0 APLL2
APLL/2
60
0.60
7.8.2.4 OC3 and OC6 Default Frequency Select Pins
There are two sets of frequency select pins, O3F[2:0] and O6F[2:0], that control the reset default frequencies of the
OC3 and OC6 output clock pins, respectively. The SONSDH pin also selects the output frequencies for some of the
pin settings. There is also an interaction between O3F[2:0] and O6F[2:0] when O6F[2:0] uses some internal
resource that is needed to generate certain frequencies. After reset the O3F[2:0] and O6F[2:0] pins can be used as
GPIO pins and status output pins. The default output frequencies are affected by changing the register bit values of
four registers: OCR2, OCR3, T0CR1, and T4CR1. The register defaults can be changed after reset using the
microprocessor interface.
Table 7-15. T0CR1.T0FREQ Default Settings
O6F[2:0]
O3F[2:0]
SONSDH
T0CR1.T0FREQ
=001
0
010
12 x E1 DFB
1
100
24 x DS1 DFB
!=001
X
001
77.76 AFB
X
!=001
X
001
77.76 AFB
Table 7-16. T4CR1.T4FREQ Default Settings
O6F[2:0]
O3F[2:0]
SONSDH
T4CR1.T4FREQ
=001
X
0
0110
E3
1
0111
DS3
X
=010
0
0110
E3
1
0111
DS3
!=001
!=010
0
0011
16 x E1
1
0101
16 x DS1
Table 7-17. OC6 Default Frequency Configuration
O6F[2:0]
SONSDH
FREQUENCY
(MHz)
OFREQ6
APLL
SRC
000
X
0
0000
001
0
68.736
1111
T4
1
22.368
1110
T4
010
X
19.44
0110
T0
011
X
25.92
0111
T0
100*
X
38.88
1000
T0
101
X
51.84
1001
T0
110
X
77.76
1010
T0
111
X
155.52
0011
T0
*Occurs when O6F[2:0] are left unconnected.
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