MC14534B Datasheet (Motorola) - 5 CASCADED BCD COUNTERS

MC14534B, 5 CASCADED BCD COUNTERS

www.DataSheet4U.com MOTOROLA SEMICONDUCTOR TECHNICAL DATA MC14534B 5 Cascaded BCD Counters The MC14534B is composed of five BCD ripple counters that have their respective outputs multiplexed using an internal scanner.

Outputs of each counter are selected by the scanner and appear on four (BCD) pins.

Selection is indicated by a logic high on the appropriate digit select pin.

Both BCD and digit select outputs have three state controls providing an “open circuit” when these contr

MC14534B Features

* ZH ns tPLZ ns tPZL ns Clock Pulse Frequency fcl MHz Clock or Scanner Clock Pulse Width tWH ns Scanner Reset Pulse Width tw ns Scanner Reset Removal Time trem ns Master Reset Pulse Width tWH(R) ns Master Reset Removal Time trem ns

* The formulas given are for the typical c