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74F651A Folha de dados(PDF) 9 Page - NXP Semiconductors |
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74F651A Folha de dados(HTML) 9 Page - NXP Semiconductors |
9 / 14 page Philips Semiconductors Product specification 74F651A/74F652A Transceivers/registers 1999 Jun 23 9 AC ELECTRICAL CHARACTERISTICS FOR 74F652A LIMITS Tamb = +25°C Tamb = 0°C to +70°C Tamb = –40°C to +85°C SYMBOL PARAMETER TEST CONDITION VCC = +5.0V VCC = +5.0V ± 10% VCC = +5.0V ± 10% UNIT SYMBOL PARAMETER CONDITION CL = 50pF, RL = 500Ω CL = 50pF, RL = 500Ω CL = 50pF, RL = 500Ω UNIT MIN TYP MAX MIN MAX MIN MAX fmax Maximum clock frequency Waveform 1 155 175 140 140 ns tPLH tPHL Propagation delay CPAB or CPBA to An or Bn Waveform 1 5.0 5.0 7.5 7.0 10.0 10.0 4.5 4.5 11.5 10.5 4.5 4.5 11.5 10.5 ns tPLH tPHL Propagation delay An or Bn to Bn or An Waveform 1 4.0 3.0 6.0 5.0 9.0 8.0 3.5 2.5 10.0 8.5 3.5 2.5 10.0 8.5 ns tPLH tPHL Propagation delay SAB or SBA to An or Bn Waveform 2, 3 4.5 4.0 7.0 8.0 10.0 10.0 4.0 4.0 11.0 11.5 4.0 4.0 11.0 11.5 ns tPZH tPZL Output enable time1 OEAB or OEBA to An or Bn Waveform 7, 8 3.0 3.5 5.0 6.0 8.0 8.5 2.5 3.0 8.5 9.0 2.5 3.0 8.5 9.0 ns tPHZ tPLZ Output disable time OEAB or OEBA to An or Bn Waveform 7, 8 1.5 2.5 4.0 6.0 7.0 8.5 1.0 2.0 7.5 9.0 1.0 2.0 7.5 9.0 ns AC SETUP REQUIREMENTS FOR 74F652A LIMITS Tamb = +25°C Tamb = 0°C to +70°C Tamb = –40°C to +85°C SYMBOL PARAMETER TEST CONDITION VCC = +5.0V VCC = +5.0V ± 10% VCC = +5.0V ± 10% UNIT SYMBOL PARAMETER CONDITION CL = 50pF, RL = 500Ω CL = 50pF, RL = 500Ω CL = 50pF, RL = 500Ω UNIT MIN TYP MAX MIN MAX MIN MAX tsu (H) tsu (L) Setup time, high or low An or Bn to CPAB or CPBA Waveform 4 3.5 4.0 4.0 4.5 4.0 4.5 ns th (H) th (L) Hold time, high or low An or Bn to CPAB or CPBA Waveform 4 0 0 0 0 0 0 ns tsu (H) tsu (L) Setup time, high or low OEBA to OEAB or OEAB to OEBA Waveform 5, 6 5.0 5.0 5.0 5.0 5.0 5.0 ns th (H) th (L) Hold time, high or low OEBA to OEAB or OEAB to OEBA Waveform 5, 6 0 0 0 0 0 0 ns tw (H) tw (L) Pulse width, high or low CPAB or CPBA Waveform 1 4.0 3.5 4.5 4.0 4.5 4.0 ns Note to AC setup requirements for 74F652A 1. Setup time is to protect against surge current caused by enabling 16 outputs (48mA per output) simultaneously. |
Nº de peça semelhante - 74F651A |
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Descrição semelhante - 74F651A |
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