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| CX20055资料 | |
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CX20055 PDF Download |
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File Size : 116 KB
Manufacturer:SONY Description:The CX20055 consists of a bandgap reference, buffer amplifier, and nine termination resistors (Figure 1). The bandgap reference circuit produces a precise 2.55V level which is fed to a buffer amplifier. The buffer produces a 2.85V level and is capable of sourcing at least 24 mA into each of the termination resistors when the signal line is low (active). When the driver for a given signal line turns off, the terminator will pull the signal line to 2.85V (quiescent state). To handle actively negated SCSI signals, the buffer can sink at least 200 mA, and VREF will move less than 60 mV. When all lines settle in the quiescent state, the regulator will consume about 5 mA. When the CX20055 is put into power-down mode by bringing PD low, the power-down circuitry will turn off the transistors on each signal line. This will isolate the CX20055 from the signal lines and effectively remove it from the circuit. The power- down pin ( PD ) has an internal 50KΩ=pullup resistor. To place the CX20055 into an active state, the PD pin should be left open circuited. When installed on disk drives or RAID system components, the CX20055 will not affect the SCSI bus during a hot plug operation. |
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| 1PCS | 100PCS | 1K | 10K | ||
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型 号：CX20055 厂 家：SONY 封 装：QFP 批 号：8928+ 数 量：497 说 明：全新原装正品,优势库存热卖中! |
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运 费： 所在地： 新旧程度： |
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| 联系人：林小姐 |
| 电 话：086-755-23815997 |
| 手 机：13632589437 |
| QQ：1097182423,2851921558 |
| MSN： |
| 传 真：0755-23815984 |
| EMail：joylin@hongbotong.com |
| 公司地址： 深圳市福田区深南中路3006号佳和大厦B座2007室 |
