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TC74ACT161F Fiches technique(PDF) 1 Page - Toshiba Semiconductor |
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TC74ACT161F Fiches technique(HTML) 1 Page - Toshiba Semiconductor |
1 / 12 page TC74ACT161,163P/F 2012-02-29 1 TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74ACT161P,TC74ACT161F TC74ACT163P,TC74ACT163F Synchronous Presettable 4-Bit Binary Counter TC74ACT161P/F/FN Asynchronous Clear TC74ACT163P/F/FN Synchronous Clear The TC74ACT161 and T163 are advanced high speed CMOS SYNCHRONOUS PRESETTABLE 4 BIT BINARY COUNTERs fabricated with silicon gate and double-layer metal wiring C2MOS technology. They achieve the high speed operation similar to equivalent Bipolar Schottky TTL while maintaining the CMOS low power dissipation. These devices may be used as a level converter for interfacing TTL or NMOS to High Speed CMOS. The inputs are compatible with TTL, NMOS and CMOS output voltage levels. The CK input is active on the rising edge. Both LOAD and CLR inputs are active on low logic level. Presetting of these IC’s is synchronous to the rising edge of CK. The clear function of the TC74ACT163 is synchronous to CK, while the TC74ACT161 are cleared asynchronously. Two enable inputs (ENP and ENT) and CARRY OUTPUT are provided to enable easy cascading of counters, which facilitates easy implementation of n-bit counters without using external gates. All inputs are equipped with protection circuits against static discharge or transient excess voltage. Features • High speed: fmax = 110 MHz (typ.) at VCC = 5 V • Low power dissipation: ICC = 8 μA (max) at Ta = 25°C • Compatible with TTL outputs: VIL = 0.8 V (max) VIH = 2.0 V (min) • Symmetrical output impedance: |IOH| = IOL = 24 mA (min) Capability of driving 50 Ω transmission lines. • Balanced propagation delays: tpLH ∼− tpHL • Pin and function compatible with 74F161/163 TC74ACT161P, TC74ACT163P TC74ACT161F, TC74ACT163F Weight DIP16-P-300-2.54A : 1.00 g (typ.) SOP16-P-300-1.27A : 0.18 g (typ.) |
Numéro de pièce similaire - TC74ACT161F_12 |
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Description similaire - TC74ACT161F_12 |
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