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SN74ALS528 데이터시트(PDF) 5 Page - Texas Instruments |
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SN74ALS528 데이터시트(HTML) 5 Page - Texas Instruments |
5 / 7 page SN54ALS526, SN54ALS527, SN54ALS528 SN74ALS526, SN74ALS527, SN74ALS528 FUSEPROGRAMMABLE IDENTITY COMPARATORS SDAS051A − JUNE 1984−REVISED MAY 1986 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 5 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage, VCC (see Note 1) 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage (see Note 1) 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range: SN54ALS’ −55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74ALS’ 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range −65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NOTE 1: These ratings apply except for programming pins during a programming cycle. recommended operating conditions SN54ALS’ SN74ALS’ 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 5.5 2 5.5 V VIL Low-level input voltage 0.7 0.8 V IOH High-level output current −1 − 2.6 mA IOL Low-level output current 12 24 mA TA Operating free-air temperature −55 125 0 70 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS SN54ALS’ SN74ALS’ UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = − 18 mA − 1.5 − 1.5 V VCC = 4.5 V to 5.5 V, IOH = − 0.4 mA VCC −2 VCC −2 VOH VCC = 4.5 V, IOH = −1 mA 2.4 3 V VCC = 4.5 V, IOH = − 2.6 mA 2.4 2.9 VOL VCC = 4.5 V, IOL = 12 mA 0.25 0.4 0.25 0.4 V VOL VCC = 4.5 V, IOL = 24 mA 0.35 0.5 V II VCC = 5.5 V, VI = 5.5 V 0.1 0.1 mA IIH VCC = 5.5 V, VO = 2.7 V 20 20 µA IIL VCC = 5.5 V, VI = 0.4 V − 0.2 − 0.2 mA IO‡ VCC = 5.5 V, VO = 2.25 V −30 − 130 −30 − 130 mA ’ALS526 16 27 16 27 ICC ’ALS527 VCC = 5.5 V, All inputs at 4.5 V 15 24 15 24 mA ’ALS528 13 21 13 21 † 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, IOS. switching characteristics (see Note 2) VCC = 4.5 V to 5.5 V, RL= 50 pF, PARAMETER FROM TO RL = 680 Ω, UNIT PARAMETER (INPUT) (OUTPUT) TA = MIN to MAX§ UNIT SN54ALS’ SN74ALS’ MIN MAX MIN MAX tPLH P or Q P = Q 3 18 3 15 ns tPHL P or Q P = Q 2 15 2 12 ns tPLH G P = Q 2 18 2 15 ns tPHL G P = Q 2 15 2 12 ns § The conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. NOTE 2: Load circuit and voltage waveforms are shown in Section 1. |
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