UM6116-V series

      The UM6116-V series has the following features including single +3 volt power supply;wide operating voltage range:2.6 to 5.5V;fully static operation,no clock or refreshing required etc.
      The UM6116 microcontroller is also available in OTP (One Time Programmable) version, UM6116. UM6116 microcontroller has an on-chip 16K-byte one-time-programable EPROM instead of masked ROM. The UM6116 is comparable to UM6116, both in function and in pin configuration. The UM6116 incorporates two independent p-channel enhancement-mode MOSFETs that have been optimized, by means of the Texas Instruments LinBiCMOS™ process, for 3-V or 5-V power distribution in battery-powered systems. With a maximum VGS(th) of C 1.5 V and an IDSS of only 0.5 µA, the UM6116 is the ideal high-side switch for low-voltage portable battery-management systems, where maximizing battery life is a primary concern. Because portable equipment is potentially subject to electrostatic discharge (ESD), the MOSFETs have built-in circuitry for 2-kV ESD protection. End equipment for the UM6116 includes notebook computers, personal digital assistants (PDAs), cellular telephones, bar-code scanners, and PCMCIA cards. For existing designs, the UM6116D has a pinout common with other p-channel MOSFETs in small-outline integrated circuit SOIC packages.
      Inverting Differential Clock Input B Positive Supply Voltage. Bypass each VCC pin to ground with 0.1µF and 0.01µF ceramic capacitors. Place the capacitors as close to the device as possible with the 0.01µF capacitor closest to the device. CLKB Inverting Differential Output 4. Terminate with 100to QB4. Hardware data protection measures include a low V CC detector that automatically inhibits write opera- tions during power transitions. The hardware sector protection feature disables both program and erase operations in any combination of sectors of memory. This can be achieved in-system or via programming equipment. 
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