TC9122P

      The TC9122P high-speed BCD porgramkable counter.The TC9122P is high-speed BCD porgramkable counter of C-MOS structure developed for PLL circuits and various frequency dividers,and is provided with the following features.Permits epoch-making high-speed operation for C-MOS structure.Program data are input by means of BCD code, allowing frequency division of 8-3999.Built-in self-bias type amplifier for divided frequency signal input is capable of opertion by small signal in combination with capacitor.C-MOS structure provides wide range of operational supply voltage (4.5-8.5 V) and simplification of design.
      The TC9122P has some information about maximum ratings.When characteristic is supply voltage,the symbol is VDD,the rating is -0.3 to 10,the unit is V.When characteristic is input voltage,the symbol is VIN,the rating is -0.3 to VDD+0.3,the unit is V.When characteristic is operating temp.,the symbol is Topr,the rating is -30 to 75,the unit is .When characteristic is storage temp.,the symbol is Tstg,the rating is -55 to 125,the unit is .
      The TC9122P has some information about electrical characteristics (unless othervise specified Ta=25 ,VDD=7.5V).When charateristic is operating supply voltage,the symbol is VDD,the min is 4.5 and the max is 8.5,the unit ia V.When charateristic is operating input voltage,the symbol is VIN,the min is 2.0 and the max is 7.0,the unit ia V.When charateristic is operating frequency range,the symbol is fopr,the min is 1 and the max is 15,the unit ia MHz.When charateristic is input pull down resistance,the symbol is RIN,the min is 20 and the max is 80,the unit ia k.When charateristic is Amp. feedback resistance,the symbol is Rf,the min is 100 and the max is 500,the unit ia k.
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