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SN74BCT899 Folha de dados(PDF) 5 Page - Texas Instruments |
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SN74BCT899 Folha de dados(HTML) 5 Page - Texas Instruments |
5 / 8 page SN74BCT899 9BIT LATCHABLE TRANSCEIVER WITH PARITY GENERATOR/CHECKER SCBS253 − JUNE 1992 − REVISED NOVEMBER 1993 2−5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = −18 mA −1.2 V VCC = 4.75 V, IOH = −1 mA 2.7 3.4 A1 − A8, APAR, ERRA, ERRB VCC = 4.5 V IOH = −1 mA 2.5 3.4 A1 − A8, APAR, ERRA, ERRB VCC = 4.5 V IOH = − 3 mA 2.4 3.3 VOH VCC = 4.75 V, IOH = − 3 mA 2.7 3.4 V B1 − B8, BPAR IOH = − 3 mA 2.4 3.4 B1 − B8, BPAR VCC = 4.5 V IOH = −12 mA VCC = 4.5 V IOH = −15 mA 2 3.1 A1 − A8, APAR, ERRA, ERRB IOL = 20 mA VOL A1 − A8, APAR, ERRA, ERRB VCC = 4.5 V IOL = 24 mA 0.35 0.5 V VOL B1 − B8, BPAR VCC = 4.5 V IOL = 48 mA V B1 − B8, BPAR IOL = 64 mA 0.42 0.55 II‡ VCC = 5.5 V, VI = 5.5 V 100 µA IIH‡ VCC = 5.5 V, VI = 2.7 V 20 µA IIL‡ VCC = 5.5 V, VI = 0.5 V −20 µA IOS§ A1 − A8, APAR, ERRA, ERRB VCC = 5.5 V, VO = 0 −60 −150 mA IOS§ B1 − B8, BPAR VCC = 5.5 V, VO = 0 −100 − 225 mA Outputs high A to B 0.5 2 Outputs high B to A 0.5 2 Outputs low A to B 43 69 ICC Outputs low B to A VCC = 5.5 V, Outputs open 22 34 mA ICC Outputs disabled, ERR outputs low A to B VCC = 5.5 V, Outputs open 6 10 mA Outputs disabled, ERR outputs low B to A 6 10 Outputs disabled, ERR outputs high A to B 0.5 2 Outputs disabled, ERR outputs high B to A 0.5 2 Ci VCC = 5 V, VI = 0.5 V 6.5 pF Cio A ports VCC = 5 V, VO = 0.5 V 10.5 pF Cio B ports VCC = 5 V, VO = 0.5 V 12.5 pF † All typical values are at VCC = 5 V, TA = 25°C. ‡ For I/O ports, the parameters IIH and IIL include the off-state output current. § Not more than one output should be tested at a time, and the duration of the test should not exceed one second. timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) VCC = 5 V, TA = 25°C MIN MAX UNIT MIN MAX MIN MAX UNIT tw Pulse duration 5 5 ns tsu Setup time before LE ↓ Data high or low 4.5 4.5 ns th Hold time after LE ↓ Data high or low 1.5 1.5 ns |
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Descrição semelhante - SN74BCT899 |
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