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74F777 Fiches technique(PDF) 7 Page - NXP Semiconductors |
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74F777 Fiches technique(HTML) 7 Page - NXP Semiconductors |
7 / 12 page Philips Semiconductors Product specification 74F777 Triple bidirectional latched bus transceiver (3–State + Open Collector) May 19, 1992 7 AC ELECTRICAL CHARACTERISTICS A PORT LIMITS SYMBOL PARAMETER TEST CONDITION Tamb = +25°C VCC = +5.0V CL = 30pF, RL = 9Ω Tamb = 0°C to +70°C VCC = +5.0V ±10% CL = 30pF, RL = 9Ω Tamb = –40°C to +85 °C VCC = +5.0V ±10% CL = 30pF, RL = 9Ω UNIT MIN TYP MAX MIN MAX MIN MAX tPLH tPHL Propagation delay Bn to An Waveform 1 8.5 7.5 10.5 9.5 13.0 12.0 8.0 7.5 14.5 12.5 8.0 7.5 14.5 12.5 ns tPZH tPZL Output enable time to High or Low OEAn to An Waveform 3, 4 8.0 9.0 10.0 11.0 13.0 14.0 7.0 8.0 14.5 15.5 7.0 8.0 14.5 15.5 ns tPHZ tPLZ Output Disable time from High or Low OEAn to An Waveform 3, 4 1.5 1.5 3.0 3.0 6.0 6.0 1.0 1.0 6.5 6.0 1.0 1.0 6.5 6.0 ns B PORT LIMITS SYMBOL PARAMETER TEST CONDITION Tamb = +25°C VCC = +5.0V CD= 30pF, RU = 9Ω Tamb = 0°C to +70°C VCC = +5.0V ± 10% CD = 30pF, RU = 9Ω Tamb = –40°C to +85 °C VCC = +5.0V ±10% CD= 30pF, RU = 9Ω UNIT MIN TYP MAX MIN MAX MIN MAX tPLH tPHL Propagation delay An to Bn Waveform 1 3.0 5.0 4.5 6.5 7.0 9.0 2.5 4.5 8.0 10.0 2.5 4.5 8.0 10.0 ns tPLH tPHL Propagation delay LEn to Bn Waveform 1 3.5 5.5 5.5 7.5 8.0 10.5 3.0 5.0 9.0 11.5 3.0 5.0 9.0 11.5 ns tPLH tPHL Enable/disable time OEBn to An Waveform 1 3.0 6.0 5.0 8.0 7.5 10.5 3.0 5.5 8.0 12.0 3.0 5.5 8.0 12.0 ns tTLH tTHL Transition time, B port 1.3V to 1.7V, 1.7V to 1.3V Test Circuits and Waveforms 0.5 0.5 4.0 2.0 4.5 4.5 0.5 0.5 7.0 4.5 0.5 0.5 7.0 4.5 ns AC SETUP REQUIREMENTS LIMITS SYMBOL PARAMETER TEST CONDITION Tamb = +25°C VCC = +5.0V CD= 30pF, RU = 9Ω Tamb = 0°C to +70°C VCC = +5.0V ± 10% CD = 30pF, RU = 9Ω Tamb = –40°C to +85 °C VCC = +5.0V ±10% CD= 30pF, RU = 9Ω UNIT MIN TYP MAX MIN MAX MIN MAX tsu (H) tsu (L) Setup time An to LEn Waveform 2 4.0 4.5 4.5 4.5 4.5 4.5 ns th (H) th (L) Hold time An to LEn Waveform 2 0.0 0.0 0.0 0.0 0.0 0.0 ns tw (L) LEn pulse width, Low Waveform 2 5.5 6.5 6.5 ns AC WAVEFORMS VM VM VM VM An, Bn An, Bn, OEBn tPLH tPHL SF00437 Waveform 1. Propagation delay, data to output and enable/disable time OEBn to Bn LEn VM VM VM VM VM VM tsu(L) tsu(H) th(L) th(H) An VM tw(L) SF00438 Waveform 2. Data set-up and hold times and LE pulse width |
Numéro de pièce similaire - 74F777 |
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Description similaire - 74F777 |
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