參數(shù)資料
型號： DS26504LNB2+
廠商： Maxim Integrated Products
文件頁數(shù)： 5/129頁
文件大?。?/td> 0K
描述： IC T1/E1/J1 64KCC ELEMENT 64LQFP
產(chǎn)品培訓(xùn)模塊： Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標(biāo)準(zhǔn)包裝： 160
功能： BITS 元件
接口： 64KCC，E1，T1
電路數(shù)： 1
電源電壓： 3.14 V ~ 3.47 V
電流 - 電源： 150mA
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： 管件
包括： *
其它名稱： 90-26504+NB2
DS26504 T1/E1/J1/64KCC BITS Element
102 of 129
16. 6312KHZ SYNCHRONIZATION INTERFACE
The DS26504 has a 6312kHz Synchronization Interface mode of operation that conforms with Appendix
II.2 of G.703, with the exception that the DS26504 transmits a square wave as opposed to the sine wave
that is defined in the G.703 specification.
16.1 Receive 6312kHz Synchronization Interface Operation
On the receive interface, a 6312kHz sine wave is accepted conforming to the input port requirements of
G.703 Appendix II. Alternatively, a 6312kHz square wave will also be accepted. A 6312kHz square wave
is output on RCLK in the receive direction. RS_8K and 400Hz are not driven in this mode and will be
three-stated.
Table 16-1. Specification of 6312kHz Clock
Signal at Input Port
Frequency
6312kHz
Signal format
Sinusoidal wave
Alarm condition
Alarm should not be occurred
against the amplitude ranged
-16dBm to +3dBm
16.2 Transmit 6312kHz Synchronization Interface Operation
On the transmit interface, a nominally 50% duty cycle, 6312kHz square wave at standard logic levels is
available from the PLL_OUT pin. In normal operation, the TCLKO pin will output the same signal.
However, if remote loopback is enabled then TCLKO will be replaced with the recovered receive clock.
See Figure 3-1. The G.703 requirements for the 6312kHz transmitted signal are shown in Table 16-2. The
user must provide an external circuit to convert the TCLKO or PLL_OUT signal to the level and
impedance required by G.703. The RSER and TS_8K-4 pins are ignored in this mode. TTIP and TRING
will be three-stated in this mode.
Table 16-2. Specification of 6312kHz Clock Signal
Frequency
6312kHz
Load impedance
75
Ω resistive
Transmission media
Coaxial pair cable
Amplitude
0dBm
± 3dBm
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS26504LNB2+ 功能描述:網(wǎng)絡(luò)控制器與處理器 IC E1/T1/J1/64Kcc Bits Element RoHS:否 制造商:Micrel 產(chǎn)品:Controller Area Network (CAN) 收發(fā)器數(shù)量: 數(shù)據(jù)速率: 電源電流（最大值）:595 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PBGA-400 封裝:Tray
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