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参数资料
| 型号： | DS26334GN |
| 英文描述： | 3.3V, 16-Channel, E1/T1/J1 Short and Long-Haul Line Interface Unit |
| 中文描述： | 3.3伏，16路，E1/T1/J1短，长途线路接口单元 |
| 文件页数： | 14/115页 |
| 文件大小： | 756K |
| 代理商： | DS26334GN |
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DS26334 3.3V, 16-Channel, E1/T1/J1 Short/Long-Haul Line Interface Unit
14 of 115
NAME
PIN
TYPE
FUNCTION
SCLK/ALE/ASB
N14
I
Shift Clock.
In the serial host mode, this pin is the serial clock. Data
on SDI is clocked on the rising edge of SCLK. The data is clocked on
SDO on the rising edge of SCLK if CLKE is high. If CLKE is low the
data on SDO is clocked on the falling edge of SCLK.
Address Latch Enable.
In parallel Intel multiplexed mode, the
address lines are latched on the falling edge of ALE.
Address Strobe Bar.
In parallel Motorola multiplexed mode, the
address is sampled on the falling edge of ASB.
Note:
Tie ALE/ASB pin high if using nonmuxed mode.
RDB/RWB
H14
I
Read Bar.
Intel host mode, this pin must be low for read operation.
Read Write Bar.
In Motorola mode, this pin is low for write operation
and high for read operation.
SDI/WRB/DSB
G14
I
Serial Data Input.
In the serial host mode, this pin is the serial input
SDI; it is sampled on the rising edge of SCLK.
Write Bar.
In Intel host mode, this pin is active low during write
operation. The data or address (multiplexed mode) is sampled on the
rising edge of WRB.
Data Strobe Bar.
In the parallel Motorola mode, this pin is active low.
During a write operation the data or address is sampled on the rising
edge of DSB. During a read operation the data or address is driven
on the rising edge of DSB. In the nonmultiplexed Motorola mode the
address bus (A [5:0]) is latched on the falling edge of DSB.
SD0/RDYB/ACKB
C13
O
Serial Data Out.
In serial host mode, the SDO data is output on this
pin. If a serial write is in progress this pin is 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.
Ready Bar Output.
A high on this pin reports to the host that the
cycle is not complete and wait states must be inserted. A low means
the cycle is complete.
Acknowledge Bar.
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.
INTB
D7
O,
open
drain
Interrupt Bar (Active Low).
This signal is tri-state when RST pin is
low. 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 as open drain. The reset
default is open drain when there are no active enabled interrupt
sources. All interrupt sources are disabled when RST = 0 and they
must be programmed to be enabled.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS26334GN+ | 功能描述:电信集成电路 3.3V E1/T1/J1 16Ch Short/Long Haul LIU RoHS:否 制造商:STMicroelectronics 类型:Telecom IC - Various 工作电源电压:4.75 V to 5.25 V 电源电流: 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-100 封装:Tray |
| DS26334GNA2 | 功能描述:电信集成电路 RoHS:否 制造商:STMicroelectronics 类型:Telecom IC - Various 工作电源电压:4.75 V to 5.25 V 电源电流: 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-100 封装:Tray |
| DS26334GNA2+ | 功能描述:电信集成电路 RoHS:否 制造商:STMicroelectronics 类型:Telecom IC - Various 工作电源电压:4.75 V to 5.25 V 电源电流: 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-100 封装:Tray |
| DS26334GNA3 | 功能描述:电信集成电路 3.3V E1/T1/J1 16Ch Short/Long Haul LIU RoHS:否 制造商:STMicroelectronics 类型:Telecom IC - Various 工作电源电压:4.75 V to 5.25 V 电源电流: 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-100 封装:Tray |
| DS26334GNA3+ | 功能描述:电信集成电路 3.3V E1/T1/J1 16Ch Short/Long Haul LIU RoHS:否 制造商:STMicroelectronics 类型:Telecom IC - Various 工作电源电压:4.75 V to 5.25 V 电源电流: 工作温度范围:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体:PQFP-100 封装:Tray |
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