HEF4737V - NXP

HEF4737V Quadruple static decade counters

The HEF4737B and HEF4737V are static quadruple decade counters for frequencies from 0 to 10 MHz. The counters are supplied with an extra overload flip-flop giving a total count capability of 19 999. The counter has the following inputs and outputs: a count input (CP), an asynchronous reset input (MR), an asynchronous preset input (PL), a transfer input (T), .

Features

y outputs (CO2 to CO5) (which give the carry signals of the decades except from the first decade). HEF4737B HEF4737V The complementary MOS structure gives the devices very low stand-by and operating dissipation. Operating from a single supply voltage all outputs can drive one standard TTL input without interface circuitry under all specified operating conditions. The BCD digit outputs are LOCMOS 3-state outputs. The high impedance off-state feature allows common busing of the outputs. The counters are supplied with asynchronous reset and preset to 19 999 facilities making them suitable for co.