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SN74ACT7200L20NP Datenblatt(PDF) 9 Page - Texas Instruments |
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SN74ACT7200L20NP Datenblatt(HTML) 9 Page - Texas Instruments |
9 / 23 page SN74ACT7200L, SN74ACT7201LA, SN74ACT7202LA 256 × 9, 512 × 9, 1024 × 9 ASYNCHRONOUS FIRST-IN, FIRST-OUT MEMORIES SCAS221A – FEBRUARY 1993 – REVISED SEPTEMBER 1995 9 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 switching characteristics over recommended ranges of supply voltage and operating free-air temperature (see Figure 13) PARAMETER FIGURE ′ACT7200L-15 ′ACT7201LA-15 ′ACT7202LA-15 ′ACT7200L-25 ′ACT7201LA-25 ′ACT7202LA-25 ′ACT7201LA-35† ′ACT7202LA-35† ′ACT7200L-50 ′ACT7201LA-50 ′ACT7202LA-50 UNIT MIN MAX MIN MAX MIN MAX MIN MAX ta Access time, R ↓ or EF↑ to data out valid 1(a), 3, 5 15 25 35 50 ns tv(RH) Valid time, data out valid after R ↑ 1(a) 5 5 5 5 ns ten(R-QX) Enable time, R ↓ to Q outputs at low impedance‡ 1(a) 5 5 10 10 ns ten(W-QX) Enable time, W ↑ to Q outputs at low impedance‡§ 5 5 5 5 15 ns tdis(R) Disable time, R ↑ to Q outputs at high impedance‡ 1(a) 15 18 20 30 ns tw(FH) Pulse duration, FF high in automatic write mode 6 15 25 30 45 ns tw(EH) Pulse duration, EF high in automatic read mode 5 15 25 30 45 ns tpd(W-F) Propagation delay time, W ↓ to FF low 2 15 25 30 45 ns tpd(R-F) Propagation delay time, R ↑ to FF high 2, 6, 12 15 25 30 45 ns tpd(RS-F) Propagation delay time, RS ↓ to FF high 7 25 35 45 65 ns tpd(RS-HF) Propagation delay time, RS ↓ to XO/HF high 7 25 35 45 65 ns tpd(W-E) Propagation delay time, W ↑ to EF high 3, 5, 11 15 25 30 45 ns tpd(R-E) Propagation delay time, R ↓ to EF low 3 15 25 30 45 ns tpd(RS-E) Propagation delay time, RS ↓ to EF low 7 25 35 45 65 ns tpd(W-HF) Propagation delay time, W ↓ to XO/HF low 8 25 35 45 65 ns tpd(R-HF) Propagation delay time, R ↑ to XO/HF high 8 25 35 45 65 ns tpd(R-XOL) Propagation delay time, R ↓ to XO/HF low 9 15 25 35 50 ns tpd(W-XOL) Propagation delay time, W ↓ to XO/HF low 9 15 25 35 50 ns tpd(R-XOH) Propagation delay time, R ↑ to XO/HF high 9 15 25 35 50 ns tpd(W-XOH) Propagation delay time, W ↑ to XO/HF high 9 15 25 35 50 ns tpd(RT-FL) Propagation delay time, FL /RT ↓ to HF, EF, FF valid 4 25 35 45 65 ns † Released in RJ package only ‡ These values are characterized but not currently tested. § Only applies when data is automatically read (see Figure 5) |
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Ähnliche Beschreibung - SN74ACT7200L20NP |
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