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SN74AS1821 Fiches technique(PDF) 3 Page - Texas Instruments |
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SN74AS1821 Fiches technique(HTML) 3 Page - Texas Instruments |
3 / 5 page VOL V SN74AS1821 10BIT BUS INTERFACE FLIPFLOPS WITH 3STATE OUTPUTS SDAS131 − APRIL 1987 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 absolute maximum ratings over operating free-air temperature range (uness otherwise noted) Supply voltage, VCC 7V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Voltage applied to a disabled 3-state output 5.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range −65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . recommended operating conditions MIN NOM MAX UNIT VCC Supply Voltage 4.5 5 5.5 V VIH High-level input voitage 2 V VIL Low-level input voltage 0.8 V VOH High-level output current −24 mA IOL Low-level output current 48 mA tw Pulse duration, CLK high or low 8 ns tsu Setup time, data before CLK ↑ 6 ns th Hold time, data after CLK ↑ 0 ns TA Operating free-air temperature 0 70 °C 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 = 4.5 V to 5.5 V, IOH = −2mA VCC−2 VOH VCC = 4.5 V, IOH = −15 mA 2.4 3.2 V VCC = 4.5 V, IOH = −24 mA 2 VCC = 4.5 V, IOL = 32 mA VCC = 4.5 V, IOL = 48 mA 0.35 0.5 IOZH VCC = 5.5 V, VO = 2.7 V 50 µA IOZL VCC = 5.5 V, VO = 0.4 V −50 µA II VCC = 5.5 V, VI = 7 V 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 µA IL VCC = 5.5 V, VI = 0.4 V 0.5 mA IO‡ VCC = 5.5 V, VO = 2.25 V −30 −112 mA Outputs high 55 88 ICC VCC 5.5 V Outputs low 68 09 mA Outputs disabled 70 113 † All typical values are at VCC = 5 V, TA = 25°C. ‡ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I[OS] |
Numéro de pièce similaire - SN74AS1821 |
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Description similaire - SN74AS1821 |
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