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TC74HCT688AF
TC74HCT688AP/AF TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic TC74HCT688AP, TC74HCT688AF 8-Bit Equality Comparator The TC74HCT688A 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. This device 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 leveles. The TC74HCT688A 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 packege to compare of words greater than 8 bits. All inputs are equipped with protection circuits against atatic discharge or transient excess voltage. TC74HCT688AP TC74HCT688AF Features • High speed: tpd = 17 ns (typ.) at VCC = 5 V • Low power dissipation: ICC = 4 μA (max) at Ta = 25°C • Compatible with TTL outputs: VIH = 2.0 V (min) VIL = 0.8 V (max) • Output drive capability: 10 LSTTL loads • • Symmetrical output impedance: |IOH| = IOL = 4 mA (min) ∼ Balanced propagation delays: tpLH − tpHL • Weight DIP20-P-300-2.54A SOP20-P-300-1.27A : 1.30 g (typ.) : 0.22 g (typ.) Pin and function compatible with 74LS688 Pin Assignment Start of commercial production 1988-11 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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