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参数资料
| 型号： | MT8808AE |
| 厂商： | ZARLINK SEMICONDUCTOR INC |
| 元件分类： | 多路复用及模拟开关 |
| 英文描述： | 8-CHANNEL, CROSS POINT SWITCH, PDIP28 |
| 封装： | 0.600 INCH, PLASTIC, MS-011AB, DIP-28 |
| 文件页数： | 4/10页 |
| 文件大小： | 244K |
| 代理商： | MT8808AE |
MT8808
Data Sheet
3
Zarlink Semiconductor Inc.
Functional Description
The MT8808 is an analog switch matrix with an array size of 8 x 8. The switch array is arranged such that there are
8 columns by 8 rows. The columns are referred to as the Y inputs/outputs and the rows are the X inputs/outputs.
The crosspoint analog switch array will interconnect any X I/O with any Y I/O when turned on and provide a high
degree of isolation when turned off. The control memory consists of a 64 bit write only RAM in which the bits are
selected by the address inputs (AY0-AY2, AX0-AX2). Data is presented to the memory on the DATA input. Data is
asynchronously written into memory whenever the STROBE input is high and is latched on the falling edge of
STROBE. A logical “1” written into a memory cell turns the corresponding crosspoint switch on and a logical “0”
turns the crosspoint off. Only the crosspoint switches corresponding to the addressed memory location are altered
when data is written into memory. The remaining switches retain their previous states. Any combination of X and Y
inputs/outputs can be interconnected by establishing appropriate patterns in the control memory. A logical “1” on
the RESET input will asynchronously return all memory locations to logical “0” turning off all crosspoint switches.
Two voltage reference pins (VSS and VEE) are provided for the MT8808 to enable switching of negative analog
signals. The range for digital signals is from VDD to VSS while the range for analog signals is from VDD to VEE. VSS
and VEE pins can be tied together if a single voltage reference is needed.
Address Decode
The six address inputs along with the STROBE are logically ANDed to form an enable signal for the resettable
transparent latches. The DATA input is buffered and is used as the input to all latches. To write to a location, RESET
must be low while the address and data are set up. Then the STROBE input is set high and then low causing the
data to be latched. The data can be changed while STROBE is high, however, the corresponding switch will turn on
and off in accordance with the DATA input. DATA must be stable on the falling edge of STROBE in order for correct
data to be written to the latch.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MT8808AE1 | 制造商:Microsemi Corporation 功能描述:ANLG AUD/VID CROSSPOINT 45MHZ 8 X 8 28PDIP - Rail/Tube 制造商:Zarlink Semiconductor Inc 功能描述:ANLG AUD/VID CROSSPOINT 45MHZ 8 X 8 28PDIP - Rail/Tube |
| MT8808AP | 制造商:Microsemi Corporation 功能描述: |
| MT8808AP1 | 制造商:Microsemi Corporation 功能描述:ANLG AUD/VID CROSSPOINT 45MHZ 8 X 8 28PLCC - Rail/Tube 制造商:Microsemi Corporation 功能描述:PB FREE 8X8 ANALOG CROSSPOINT 制造商:Zarlink Semiconductor Inc 功能描述:ANLG AUD/VID CROSSPOINT 45MHZ 8 X 8 28PLCC - Rail/Tube 制造商:Zarlink Semiconductor Inc 功能描述:PB FREE 8X8 ANALOG CROSSPOINT |
| MT8808APR1 | 制造商:Microsemi Corporation 功能描述:ANLG AUD/VID CROSSPOINT 45MHZ 8 X 8 28PLCC - Tape and Reel 制造商:Zarlink Semiconductor Inc 功能描述:ANLG AUD/VID CROSSPOINT 45MHZ 8 X 8 28PLCC - Tape and Reel |
| MT8809 | 制造商:MITEL 制造商全称:Mitel Networks Corporation 功能描述:ISO-CMOS 8 x 8 Analog Switch Array |
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