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TC74HC390AFN датащи(PDF) 1 Page - Toshiba Semiconductor |
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TC74HC390AFN датащи(HTML) 1 Page - Toshiba Semiconductor |
1 / 11 page TC74HC390AP/AF/AFN 2007-10-01 1 TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74HC390AP,TC74HC390AF,TC74HC390AFN Dual Decade Counter The TC74HC390A is a high speed CMOS DUAL DECADE COUNTER fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. It consists of two independent 4-bit counters, each composed of a divide-by-two and a divide-by-five counter. The divide-by-two counter is incremented on the negative going transition of clock A ( CKA ). The divided-by-five counter is incremented on the negative going transition of clock B ( CKB ). The counter can be cascaded to form decade, bi-quinary, or various combinations up to a divide-by-100 counter. When the CLR input is set high, the Q outputs are set to low independent of the clock inputs. All inputs are equipped with protection circuits against static discharge or transient excess voltage. Features • High speed: fmax = 84 MHz (typ.) at VCC = 5 V • Low power dissipation: ICC = 4 μA (max) at Ta = 25°C • High noise immunity: VNIH = VNIL = 28% VCC (min) • Output drive capability: 10 LSTTL loads • Symmetrical output impedance: |IOH| = IOL = 4 mA (min) • Balanced propagation delays: tpLH ∼− tpHL • Wide operating voltage range: VCC (opr) = 2~6 V • Pin and function compatible with 74LS390 Pin Assignment Note: xxxFN (JEDEC SOP) is not available in Japan. TC74HC390AP TC74HC390AF TC74HC390AFN Weight DIP16-P-300-2.54A : 1.00 g (typ.) SOP16-P-300-1.27A : 0.18 g (typ.) SOL16-P-150-1.27 : 0.13 g (typ.) |
Аналогичный номер детали - TC74HC390AFN |
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Аналогичное описание - TC74HC390AFN |
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