SN75207B - 双路高灵敏度线路 REC

SN75207B是TI德州仪器公司的一款其它线电路产品，SN75207B是双路高灵敏度线路 REC，本站介绍了SN75207B的封装应用图解、特点和优点、功能等，并给出了与SN75207B相关的TI元器件型号供参考。

SN75207B - 双路高灵敏度线路 REC - 其它线电路 - 其它接口 - 德州仪器

产品描述

The SN75207B is a terminal-for-terminal replacement for the SN75107B. The improved input sensitivity makes it more suitable for MOS memory sense amplifiers and can result in faster memory cycles. Improved sensitivity also makes it more useful in line-receiver applications by allowing use of longer transmission line lengths. The SN75207B features a TTL-compatible, active-pullup output.

Input protection diodes are in series with the collectors of the differential-input transistors of the SN75207B. These diodes are useful in certain party-line systems that may have multiple VCC+ power supplies and may be operated with some of the VCC+ supplies turned off. In such a system, if a supply is turned off and allowed to go to ground, the equivalent input circuit connected to that supply would be as follows:

This would be a problem in specific systems that might have the transmission lines biased to some potential greater than 1.4 V.

This device is characterized for operation from 0°C to 70°C.

产品特性

Plug-In Replacement for SN75107A and SN75107B With Improved Characteristics
±10-mV Input Sensitivity
TTL-Compatible Circuitry
Standard Supply Voltages . . . ±5 V
Differential Input Common-Mode Voltage Range of ±3 V
Strobe Inputs for Channel Selection
Totem-Pole Outputs
SN75207B Has Diode-Protected Input Stage for Power-Off Condition
Sense Amplifier for MOS Memories
Dual Comparator
High-Sensitivity Line Receiver

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