The CD4020B is a 14-stage ripple carry binary counter. All CD4020 Binary Counter counter stages are master-slave flip flops.The state of a counter advances one count on the negative transition of each input pulse.A high level on the RESET line Resets the counter to its all zero state.The M74HC4020 is an high speed CMOS 14
STAGE BINARY COUNTER fabricated withsilicon gate C2MOS technology.A clear input is used to reset the counter to the alllow level state. A high level on CLEARaccomplishes the reset function. A negativetransition on the CLOCK input increments thecounter by one..The HEF4020B is a 14-stage binary counter with a clock input (CP), an overriding asynchronousmaster reset input (MR) and.
FEATURES of CD4020 Binary Counter
fMAX = 70 MHz (TYP.) at VCC = 6V
■ LOW POWER DISSIPATION:
ICC =4µA(MAX.) at TA=25°C
■ HIGH NOISE IMMUNITY:
VNIH = VNIL = 28 % VCC (MIN.)
■ SYMMETRICAL OUTPUT IMPEDANCE:
|IOH| = IOL = 4mA (MIN)
■ BALANCED PROPAGATION DELAYS:
tPLH ≅ tPHL
■ WIDE OPERATING VOLTAGE RANGE:
VCC (OPR) = 2V to 6V
■ PIN AND FUNCTION COMPATIBLE WITH
74 SERIES 4020
• High speed operation
• Fully static operation
• 5 V, 10 V, and 15 V parametric ratings
• Standardized symmetrical output characteristics
• Specified from -40 °C to +85 °C
• Complies with JEDEC standard JESD 13-B
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