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TC74HC688AP
TC74HC688AP/AF TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74HC688AP, TC74HC688AF 8-Bit Equality Comparator The TC74HC688A is a high speed CMOS 8-BIT EQUALITY COMPARATOR fabricated with silicon gate C2MOS technology. It achieves the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power dissipation. The TC74HC688A compares two 8-bit binary or BCD words applied inputs P0 thru P7, and inputs Q0 thru Q7, and indicates whether or not they are equal. A signal active low enable is provided to facilitate cascading of several packages to compare of words greater than 8 bits. All inputs are equipped with protection circuits against static discharge or transient excess voltage. TC74HC688AP TC74HC688AF Features • High speed: tpd = 17 ns (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 to 6 V • Pin and function compatible with 74LS688 Weight DIP20-P-300-2.54A SOP20-P-300-1.27A : 1.30 g (typ.) : 0.22 g (typ.) Pin Assignment Start of commercial production 1987-11 1 2014-03-01
TOSHIBA
株式会社 東芝セミコンダクター＆ストレージ社
日本
半導体部門、DRAM、フラッシュメモリ、プロセッサ、汎用LSI
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