(PDF) HD151011 Datasheet - Dual BCD Programmable Counter with Synchronous Preset Enable

Número de pieza	HD151011
Descripción	Dual BCD Programmable Counter with Synchronous Preset Enable
Fabricantes	Hitachi Semiconductor
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No Preview Available ! HD151011 Dual BCD Programmable Counter with Synchronous Preset Enable ADE-205-100(Z) Rev 0 April 1995 The HD151011 has BCD decimal two digits down counter and D-type Flip Flop. The counter can set up to max 99 counts and synchronous preset (SPE) input can preset the data. When the count value is 0, the next clock pulse presets the data to invert the output. D-type Flip Flop takes the counter output as clock pulse, whose data is transferred to output at the rise edge. It is applied to generate AC signal for STN type liquid crystal and general-use divider. Features • High speed operation tpd (CLK or CLK to Q) = 35 ns (typ) • High output current Fanout of 10 LS TTL Loads • Wide operating voltage Vcc = 2 to 6 V • Low supply current (Ta = 25°C) Icc (Static) = 4 µA (max) 1 page Logic Diagram J0 J0 CLK J1 J1 J2 J2 J3 J3 J4 J4 J5 J5 J6 J6 CO J7 J7 SPE PR DQ CK Q CLR HD151011 C/T CLK CLK CO PR Q SPE CLR 5 5 Page • Waveforms – 6 CLR PR 90 % 50 % 10 % tf tw t PHL tr 90 % 50 % 10 % tf 90 % 50 % 10 % tw t PLH tr 90 % 50 % 10 % Q 50 % 50 % HD151011 VCC GND VCC GND VOH VOL 11 11 Page

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PDF HD151011 Data sheet ( Hoja de datos )