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CD4527BMS - CMOS BCD Rate Multiplier

General Description

CD4527BMS is a low power 4-bit digital rate multiplier that provides an output pulse rate which is the clock input pulse rate multiplied by 1/10 times the BCD input.

For example, when the BCD input is 8, there will be 8 output pulses for every 10 input pulses.

Key Features

  • High Voltage Type (20V Rating).
  • Cascadable in Multiples of 4-Bits.
  • Set to “9” Input and “9” Detect Output.
  • 100% Tested for Quiescent Current at 20V.
  • 5V, 10V and 15V Parametric Ratings.
  • Maximum Input Current of 1µA at 18V Over Full Package Temperature Range; 100nA at 18V and +25oC.
  • Noise Margin (Over Full Package/Temperature Range) - 1V at VDD = 5V - 2V at VDD = 10V - 2.5V at VDD = 15V.
  • Standardized Symmetrical Output Charac.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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CD4527BMS December 1992 CMOS BCD Rate Multiplier Description CD4527BMS is a low power 4-bit digital rate multiplier that provides an output pulse rate which is the clock input pulse rate multiplied by 1/10 times the BCD input. For example, when the BCD input is 8, there will be 8 output pulses for every 10 input pulses. This device may be used to perform arithmetic operations (add, subtract, divide, raise to a power), solve algebraic and differential equations, generate natural logarithms and trigonometric functions, A/D and D/A conversion, and frequency division. For fractional multipliers with more than one digit, CD4527BMS devices may be cascaded in two different modes: the Add mode and the Multiply mode (see Figures 9 and 11). In the Add mode, Output Rate = (Clock Rate) [0.1BCD1 + 0.