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參數(shù)資料
| 型號(hào)： | IDT82P2521BH |
| 廠商： | IDT, Integrated Device Technology Inc |
| 文件頁(yè)數(shù)： | 61/147頁(yè) |
| 文件大?。?/td> | 0K |
| 描述： | IC LIU E1 21+1CH SHORT 640-PBGA |
| 標(biāo)準(zhǔn)包裝： | 5 |
| 類型： | 線路接口裝置（LIU） |
| 規(guī)程： | E1 |
| 電源電壓： | 3.135 V ~ 3.465 V |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 640-BGA 裸露焊盤 |
| 供應(yīng)商設(shè)備封裝： | 640-PBGA-EP（31x31） |
| 包裝： | 托盤 |
| 其它名稱： | 82P2521BH |
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IDT82P2521
21(+1) CHANNEL HIGH-DENSITY E1 LINE INTERFACE UNIT
Pin Description
20
December 7, 2005
RCLKn / RMFn
(n=0~21)
Output
AK10, AD2, AH2, AK4, AK7, AH8,
AH20, AK22, AK25, AH26, AG29,
A28, C25, A23, A20, C19, A17,
C16, B14, D13, B11, B8
RCLKn: Receive Clock for Channel 0 ~ 21
When the receive system interface is configured to Single Rail NRZ Format mode, Dual Rail
NRZ Format mode or Dual Rail RZ Format mode, this multiplex pin is used as RCLKn.
RCLKn outputs a 2.048 MHz clock which is recovered from the received signal.
The data output on RDn and RMFn (in Receive Single Rail NRZ Format mode) or RDPn/
RDNn (in Receive Dual Rail NRZ Format mode, Receive Dual Rail RZ Format mode and
Receive Dual Rail Sliced) is updated on the active edge of RCLKn. The active edge is
selected by the RCK_ES bit (b4, RCF1,...).
In LLOS condition, RCLKn output high or XCLK,
as selected by the RCKH bit (b7,
,...) (refer to Section 3.4.3.1 Line LOS (LLOS) for details).
When the receiver is powered down, RCLKn will be in High-Z state or low, as selected by the
RHZ bit (b6, RCF0,...).
RMFn: Receive Multiplex Function for Channel 0 ~ 21
When the receive system interface is configured to Dual Rail Sliced mode, this multiplex pin is
used as RMFn.
(Refer to the description of RMFn of the RDNn/RMFn multiplex pin for details).
LLOS
Output
AF17
LLOS: Receive Line Loss Of Signal
LLOS synchronizes with the output of CLKE1 and can indicate the LLOS (Line LOS) status of
all 22 channels in a serial format.
When the clock output on CLKE1 is enabled, LLOS indicates the LLOS status of the 22 chan-
nels in a serial format and repeats every twenty-two cycles. Channel 0 is positioned by
LLOS0. Refer to the description of LLOS0 below for details. The last 7 redundant clock cycles
are low and should be ignored.
LLOS is updated on the rising edge of CLKE1 and is always active high.
When the clock output of CLKE1 is disabled, LLOS will be held in High-Z state.
(Refer to Section 3.4.3.1 Line LOS (LLOS) for details.)
LLOS0
Output
AF18
LLOS0: Receive Line Loss Of Signal for Channel 0
LLOS0 can indicate the position of channel 0 on the LLOS pin.
When the clock output on CLKE1 is enabled, LLOS0 pulses high for one CLKE1 clock cycle to
indicate the position of channel 0 on the LLOS pin. When CLKE1 outputs 8 KHz clock, LLOS0
pulses high for one 8 KHz clock cycle (125 s) every twenty-nine 8 KHz clock cycles; when
CLKE1 outputs 2.048 MHz clock, LLOS0 pulses high for one 2.048 MHz clock cycle (488 ns)
every twenty-nine 2.048 MHz clock cycles. LLOS0 is updated on the rising edge of CLKE1.
When the clock output on CLKE1 is disabled, LLOS0 will be held in High-Z state.
(Refer to Section 3.4.3.1 Line LOS (LLOS) for details.)
Name
I / O
Pin No.
Description
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| IDT82P2521BHBLANK | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:21(1) Channel High-Density E1 Line Interface Unit |
| IDT82P2521BHG | 功能描述:IC LIU E1 21+1CH SHORT 640-PBGA RoHS:是 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:250 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:帶卷 (TR) |
| IDT82P2521BHGBLANK | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:21(1) Channel High-Density E1 Line Interface Unit |
| IDT82P2808 | 制造商:IDT 制造商全稱:Integrated Device Technology 功能描述:8(+1) Channel High-Density T1/E1/J1 Line Interface Unit |
| IDT82P2808BB | 功能描述:IC LIU T1/J1/E1 8+1CH 416-PBGA RoHS:否 類別:集成電路 (IC) >> 接口 - 驅(qū)動(dòng)器，接收器，收發(fā)器 系列:- 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:收發(fā)器 驅(qū)動(dòng)器/接收器數(shù):2/2 規(guī)程:RS232 電源電壓:3 V ~ 5.5 V 安裝類型:表面貼裝 封裝/外殼:16-SOIC（0.295"，7.50mm 寬） 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR) |
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