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74HC652N 데이터시트(PDF) 7 Page - NXP Semiconductors |
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74HC652N 데이터시트(HTML) 7 Page - NXP Semiconductors |
7 / 10 page September 1993 7 Philips Semiconductors Product specification Octal bus transceiver/register; 3-state 74HC/HCT652 DC CHARACTERISTICS FOR 74HCT For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”. Output capability: bus driver ICC category: MSI. Note to the HCT types The value of additional quiescent supply current ( ∆ICC) for unit a 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 = 50 pF. INPUT UNIT LOAD COEFFICIENT SAB, SBA 0.75 A0 to A7 and B0 to B7 0.75 CPAB, CPBA 1.50 OEAB 1.50 OEBA 1.50 INPUT PARAMETER Tamb (°C) UNIT TEST CONDITIONS +25 −40 to +85 −40 to +125 VCC (V) WAVEFORMS MIN. TYP. MAX. MIN. MAX. MIN. MAX. tPHL/tPLH propagation delay An, Bn to Bn, An − 16 27 − 34 − 41 ns 4.5 Fig.6 tPHL/tPLH propagation delay CPAB, CPBA to Bn, An − 23 39 − 49 − 59 ns 4.5 Fig.7 tPHL/tPLH propagation delay SAB, SBA to Bn, An − 27 46 − 55 − 66 ns 4.5 Fig.8 tPZH/tPZL 3-state output enable time OEAB, OEBA to An, Bn − 18 33 − 41 − 50 ns 4.5 Fig.9 tPHZ/tPLZ 3-state output disable time OEAB, OEBA to An, Bn − 16 35 − 44 − 53 ns 4.5 Fig.9 tTHL/tTLH output transition time − 512 − 15 − 18 ns 4.5 Fig.6, 8 tW clock pulse width HIGH or LOW CPAB or CPBA 16 6 − 20 − 24 − ns 4.5 Fig.7 tsu set-up time An, Bn to CPAB, CPBA 10 5 − 13 − 15 − ns 4.5 Fig.7 th hold time An, Bn to CPAB, CPBA 5 −2 − 6 − 8 − ns 4.5 Fig.7 fmax maximum clock pulse frequency 30 83 − 24 − 20 − MHz 4.5 Fig.7 |
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