Philips Semiconductors
Quadruple R/S latch with 3-state outputs
Product specification
HEF4043B
MSI
Dynamic power
dissipation per
package (P)
VDD
V
5
10
15
TYPICAL FORMULA FOR P (µW)
1100 fi + ∑(foCL) × VDD2
4400 fi + ∑(foCL) × VDD2
11 400 fi + ∑(foCL) × VDD2
where
fi = input freq. (MHz)
fo = output freq. (MHz)
CL = load capacitance (pF)
∑(foCL) = sum of outputs
VDD = supply voltage (V)
Fig.5 Waveforms showing minimum Sn and Rn pulse widths.
APPLICATION INFORMATION
An example of application for the HEF4043B is:
• Four-bit storage with output enable
January 1995
5