TC74HC573AP/AF2007-10-011TOSHIBA CMOS Digital Integrated Circuit Silicon MonolithicTC74HC573AP,TC74HC573AFOctal D-Type Latch with 3-State OutputThe TC74HC573A is a high speed CMOS OCTAL LATCH with3-STATE OUTPUT fabricated with silicon gate C2MOStechnology.It achieves the high speed operation similar to equivalentLSTTL while maintaining the CMOS low power dissipation.Its 8-bit D-type latche is controlled by a latch enable input (LE)and an output enable input ( OE ).When the OE input is high, the eight outputs are in a highimpedance state.All inputs are equipped with protection circuits against staticdischarge or transient excess voltage.Features• High speed: tpd = 13 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: 15 LSTTL loads• Symmetrical output impedance: |IOH| = IOL = 6 mA (min)• Balanced propagation delays: tpLH ∼− tpHL• Wide operating voltage range: VCC (opr) = 2 to 6 V• Pin and function compatible with 74LS573Pin AssignmentTC74HC573APTC74HC573AFWeightDIP20-P-300-2.54A: 1.30 g (typ.)SOP20-P-300-1.27A: 0.22 g (typ.)
