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參數(shù)資料
| 型號(hào)： | DS26303L-75 |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| 中文描述： | DATACOM, PCM TRANSCEIVER, PQFP144 |
| 封裝： | 20 X 20 MM, 1.40 MM HEIGHT, MS-026, LQFP-144 |
| 文件頁數(shù)： | 16/97頁 |
| 文件大?。?/td> | 966K |
| 代理商： | DS26303L-75 |
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DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit
16 of 97
PIN
NAME
eLQFP
PBGA
TYPE
FUNCTION
SDO/RDY/ACKB/
RIMPOFF
83
K14
I/O
Serial Data Out/Ready Output/Acknowledge Bar/Receive
Impedance Off
SDO:
In serial host mode, the SDO data is output on this pin. If a
serial write is in progress this pin is in high impedance. During a
read SDO is high impedance when the SDI is in command/
address mode. If CLKE is low, SDO is output on the rising edge of
SCLK, if CLKE is high on the falling edge.
RDY:
A low on this pin reports to the host that the cycle is not
complete and wait states must be inserted. A high means the
cycle is complete.
ACKB:
In Motorola parallel mode, a low on this pin indicates that
the read data is available for the host or that the written data cycle
is complete.
RIMPOFF:
In hardware mode when this pin is high, all the RTIP
and RING pins have internal impedance switched off.
INTB
82
K13
O,
open
drain
Active-Low Interrupt Bar.
This interrupt signal is driven low when
an event is detected on any of the enabled interrupt sources in any
of the register banks. When there are no active and enabled
interrupt sources, the pin can be programmed to either drive high
or not drive high. The reset default is to not drive high when there
are no active enabled interrupt sources. All interrupt sources are
disabled after a software reset and they must be programmed to
be enabled.
Data Bus 7–0/Address/Data Bus 7–0/Bit Swap/
Loopback Select 7–0
D7/AD7/BSWP/LP8
28
K1
D6/AD6/LP7
27
J1
D5/AD5/LP6
26
J2
D4/AD4/LP5
25
J3
D3/AD3/LP4
24
J4
D2/AD2/LP3
23
H2
D1/AD1/LP2
22
H3
D0/AD0/LP1
21
G2
I/O (In
HW
mode,
pulled
to
V
DD
/ 2)
D[7:0]:
In nonmultiplexed host mode, these pins are the
bidirectional data bus.
AD[7:0]:
In multiplexed host mode, these pins are the bidirectional
address/data bus. Note that AD7 and AD6 do not carry address
information, and in serial host mode AD6–AD0 should be
grounded.
BSWP:
In serial host mode, this pin defines the serial data position
to be LSB first when low and MSB first when high.
LP[8:1]
In hardware mode, these pins set the loopback modes for
the corresponding LIU as follows:
Low
→
Remote Loopback
V
DDIO
/ 2
→
No Loopback
High
→
Analog Loopback
Note: When left unconnected and in hardware mode, do not route
signals with fast transitions near LP1–LP8. This practice minimizes
capacitive coupling.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS26303LN-120 | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26303LN-75 | 3.3V, E1/T1/J1, Short-Haul, Octal Line Interface Unit |
| DS26518 | 8-Port T1/E1/J1 Transceiver |
| DS26518G | 8-Port T1/E1/J1 Transceiver |
| DS26518GN | 8-Port T1/E1/J1 Transceiver |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS26303L-75+ | 功能描述:電信線路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| DS26303L-75+A3 | 功能描述:電信線路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| DS26303L-75A3 | 功能描述:電信線路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| DS26303LN-120 | 功能描述:電信線路管理 IC RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
| DS26303LN-120+ | 功能描述:電信線路管理 IC 3.3V E1/T1/J1 Short Haul Octal LIU RoHS:否 制造商:STMicroelectronics 產(chǎn)品:PHY 接口類型:UART 電源電壓-最大:18 V 電源電壓-最小:8 V 電源電流:30 mA 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VFQFPN-48 封裝:Tray |
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