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74HC534 数据表(PDF) 7 Page - NXP Semiconductors |
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74HC534 数据表(HTML) 7 Page - NXP Semiconductors |
7 / 13 page 1998 Apr 10 7 Philips Semiconductors Product specification Octal D-type flip-flop; positive edge-trigger; 3-state; inverting 74HC/HCT534 DC CHARACTERISTICS FOR 74HCT For the DC characteristics see chapter “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: bus driver ICC category: MSI. Note to HCT types The value of additional quiescent supply current ( ∆I CC) for a unit load of 1 is given in the family specifications. To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below. AC CHARACTERISTICS FOR 74HCT GND = 0 V; tr =tf = 6 ns; CL =50pF INPUT UNIT LOAD COEFFICIENT OE 1.25 CP 0.90 Dn 0.35 SYMBOL PARAMETER Tamb (°C) UNIT TEST CONDITIONS 74HCT VCC (V) WAVEFORMS +25 −40 to +85 −40 to +125 min. typ. max min. max. min. max. tPHL/ tPLH propagation delay CP to Qn 16 30 38 45 ns 4.5 Fig.6 tPZH/ tPZL 3-state output enable time OE to Qn 16 30 38 45 ns 4.5 Fig.7 tPHZ/ tPLZ 3-state output disable time OE to Qn 18 30 38 45 ns 4.5 Fig.7 tTHL/ tTLH output transition time 5 12 15 18 ns 4.5 Fig.6 tW clock pulse width HIGH or LOW 23 14 29 35 ns 4.5 Fig.6 tsu set-up time Dn to CP 12 4 15 18 ns 4.5 Fig.8 th hold time Dn to CP 5 −1 5 5 ns 4.5 Fig.8 fmax maximum clock pulse frequency 22 36 18 15 MHz 4.5 Fig.6 |
类似零件编号 - 74HC534 |
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类似说明 - 74HC534 |
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