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74HC00 Scheda tecnica(PDF) 2 Page - NXP Semiconductors |
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74HC00 Scheda tecnica(HTML) 2 Page - NXP Semiconductors |
2 / 5 page 2003 Jun 30 2 Philips Semiconductors Product specification Quad 2-input NAND gate 74HC00; 74HCT00 FEATURES • Complies with JEDEC standard no. 8-1A • ESD protection: HBM EIA/JESD22-A114-A exceeds 2000 V MM EIA/JESD22-A115-A exceeds 200 V • Specified from −40 to +85 °C and −40 to +125 °C. DESCRIPTION The 74HC00/74HCT00 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC00/74HCT00 provide the 2-input NAND function. QUICK REFERENCE DATA GND = 0 V; Tamb =25 °C; tr =tf = 6 ns. Notes 1. CPD is used to determine the dynamic power dissipation (PD in µW). PD =CPD × VCC2 × fi × N+ Σ(CL × VCC2 × fo) where: fi = input frequency in MHz; fo = output frequency in MHz; CL = output load capacitance in pF; VCC = supply voltage in Volts; N = total load switching outputs; Σ(CL × VCC2 × fo) = sum of the outputs. 2. For 74HC00 the condition is VI = GND to VCC. For 74HCT00 the condition is VI = GND to VCC − 1.5 V. FUNCTION TABLE See note 1. Note 1. H = HIGH voltage level; L = LOW voltage level. SYMBOL PARAMETER CONDITIONS TYPICAL UNIT 74HC00 74HCT00 tPHL/tPLH propagation delay nA, nB to nY CL = 15 pF; VCC = 5 V 7 10 ns CI input capacitance 3.5 3.5 pF CPD power dissipation capacitance per gate notes 1 and 2 22 22 pF INPUT OUTPUT nA nB nY LL H LH H HLH HH L |
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