CD4527B is a lowpower 4bit digital rate multiplier that provides an outputpulse rate which is the clockinputpulse 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, CD4527B devices may be cascaded in two different modes: the Add mode and the Multiply mode. (See Figs. 12 and 15). In the Add Mode,
Output Rate =  
(Clock Rate)  [0.1 BCD_{1} + 0.01 BCD_{2} +  0.001 BCD_{3} + . . . ] 
In the Multiply mode, the fraction programmed into the first rate multiplier is multiplied by the fraction programmed into the second one,
9  4  36  
e.g.  —  ×  —  =  —  or 36 output 
10  10  100 
pulses for every 100 clock input pulses.
The CD4527B types are supplied in 16lead dualinline plastic packages (E suffix), 16lead smalloutline packages (NSR suffix), and 16lead thin shrink smalloutline packages (PW and PWR suffixes).
Part number  Order  Technology Family  VCC (Min) (V)  VCC (Max) (V)  Bits (#)  Voltage (Nom) (V)  F @ nom voltage (Max) (MHz)  ICC @ nom voltage (Max) (mA)  tpd @ nom Voltage (Max) (ns)  IOL (Max) (mA)  IOH (Max) (mA)  Operating temperature range (C)  Schmitt trigger  Package Group 

CD4527B 

CD4000  3  18  4  10  8  0.3  290  4  4  55 to 125  No 
PDIP  16
SO  16 TSSOP  16 