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MC14029BDR2
Binary/Decade Up/Down Counter
MC14029B
Binary/Decade Up/Down
Counter
The MC14029B Binary/Decade up/down counter is constructed
with MOS P−channel and N−channel enhancement mode devices in a
single monolithic structure. The counter consists of type D flip−flop
stages with a gating structure to provide toggle flip−flop capability.
The counter can be used in either Binary or BCD operation. This
complementary MOS counter finds primary use in up/down and
difference counting and frequency synthesizer applications where low
power dissipation and/or high noise immunity is desired. It is also
useful in A/D and D/A conversion and for magnitude and sign
generation.
Features Diode Protection on All Inputs Supply Voltage Range = 3.0 Vdc to 18 Vdc Internally Synchronous for High Speed Logic Edge−Clocked Design − Count Occurs on Positive Going Edge
of Clock Asynchronous Preset Enable Operation Capable of Driving Two Low−Power TTL Loads or One Low−Power
Schottky TTL Load Over the Rated Temperature Range Pin for Pin Replacement for CD4029B Pb−Free Packages are Available*
MAXIMUM RATINGS (Voltages Referenced to VSS)Maximum ratings are those values beyond which device damage can occur.
Maximum ratings applied to the device are individual stress limit values (not
normal operating conditions) and are not valid simultaneously. If these limits are
exceeded, device functional operation is not implied, damage may occur and
reliability may be affected. Temperature Derating:
Plastic “P and D/DW” Packages: – 7.0 mW/�C From 65�C To 125�C
This device contains protection circuitry to guard against damage due to high
static voltages or electric fields. However, precautions must be taken to avoid
applications of any voltage higher than maximum rated voltages to this
high−impedance circuit. For proper operation, Vin and Vout should be constrained
to the range VSS � (Vin or Vout) � VDD.
