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54ACT11521 数据表(PDF) 3 Page - Texas Instruments |
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54ACT11521 数据表(HTML) 3 Page - Texas Instruments |
3 / 5 page 54ACT11521, 74ACT11521 8BIT IDENTITY COMPARATORS SCAS023A − D2957, JULY 1978 − REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 2−3 recommended operating conditions 54ACT11521 74ACT11521 UNIT MIN NOM MAX MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 4.5 5 5.5 V VIH High-level input voltage 2 2 V VIL Low-level input voltage 0.8 0.8 V VI Input voltage 0 VCC 0 VCC V VO Output voltage 0 VCC 0 VCC V IOH High-level output current −24 −24 mA IOL Low-level output current 24 24 mA Dt/Dv Input transition rise or fall rate 0 10 0 10 ns/ V TA Operating free-air temperature −55 125 −40 85 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS VCC TA = 25°C 54ACT11521 74ACT11521 UNIT PARAMETER TEST CONDITIONS VCC MIN TYP MAX MIN MAX MIN MAX UNIT IOH = − 50 A 4.5 V 4.4 4.4 4.4 IOH = − 50 mA 5.5 V 5.4 5.4 5.4 VOH IOH = − 24 mA 4.5 V 3.94 3.7 3.8 V VOH IOH = − 24 mA 5.5 V 4.94 4.7 4.8 V IOH = − 50 mA{ 5.5 V 3.85 IOH = − 75 mA{ 5.5 V 3.85 IOL = 50 A 4.5 V 0.1 0.1 0.1 IOL = 50 mA 5.5 V 0.1 0.1 0.1 VOL IOL = 24 mA 4.5 V 0.36 0.5 0.44 V VOL IOL = 24 mA 5.5 V 0.36 0.5 0.44 V IOL = 50 mA{ 5.5 V 1.65 IOL = 75 mA{ 5.5 V 1.65 II VI = VCC or GND 5.5 V ± 0.1 ± 1 ±1 mA ICC VI = VCC or GND, IO = 0 5.5 V 8 160 80 mA DICC} One input at 3.4 V, Other inputs at GND or VCC 5.5 V 0.9 1 1 mA Ci VI = VCC or GND 5 V 4 pF † Not more than one output should be tested at a time, and the duration of the test should not exceed 10 ms. ‡ This is the increase in supply current for each input that is at one of the specified TTL voltage levels rather than 0 V or VCC. switching characteristics over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) PARAMETER FROM TO TA = 25°C 54ACT11521 74ACT11521 UNIT PARAMETER FROM (INPUT) TO (OUTPUT) MIN TYP MAX MIN MAX MIN MAX UNIT tPLH P or Q P = Q 1.5 8.8 13 1.5 15.9 1.5 14.7 ns tPHL P or Q P = Q 1.5 8.2 12 1.5 14.6 1.5 13.6 ns tPLH G P = Q 1.5 6.7 9.3 1.5 11.2 1.5 10.5 ns tPHL G P = Q 1.5 6.8 8.8 1.5 10.2 1.5 9.7 ns |
类似零件编号 - 54ACT11521 |
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类似说明 - 54ACT11521 |
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