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TLC556 Datasheet(PDF) 8 Page - Texas Instruments |
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TLC556 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 22 page TLC556, TLC556Y DUAL LinCMOS ™ TIMERS SLFS047B – FEBRUARY 1984 – REVISED SEPTEMBER 1997 8 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics, VDD = 5 V, TA = 25°C PARAMETER TEST CONDITIONS MIN TYP MAX UNIT VIT Input threshold voltage 2.8 3.3 3.8 V Threshold current 10 pA V(trigger) Trigger voltage 1.36 1.66 1.96 V I(trigger) Trigger current 10 pA V(reset) Reset voltage 0.4 1.1 1.5 V I(reset) Reset current 10 pA Discharge switch on-state voltage IOL = 10 mA 0.15 0.5 V Discharge switch off-state current 0.1 nA VOH High-level output voltage IOH = – 1 mA 4.1 4.8 V IOL = 8 mA 0.21 0.4 VOL Low-level output voltage IOL = 5 mA 0.13 0.3 V IOL = 2.1 mA 0.08 0.3 IDD Supply current See Note 2 3.40 700 µA NOTE 2: These values apply for the expected operating configurations in which THRES is connected directly to DISCH or TRIG. operating characteristics, VDD = 5 V, TA = 25°C (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Initial error of timing interval † VDD = 5 V to 15 V, RA = RB = 1 kΩ to 100 kΩ 1% 3% Supply voltage sensitivity of timing interval CT = 0.1 µF, See Note 3 0.1 0.5 %/V tr Output pulse rise time RL =10MΩ CL =10 pF 20 75 ns tf Output pulse fall time RL = 10 MΩ, CL = 10 pF 15 60 ns fmax Maximum frequency in astable mode RA = 470 Ω, CT = 200 pF, RB = 200 Ω, See Note 3 1.2 2.1 MHz † Timing interval error is defined as the difference between the measured value and the average value of a random sample from each process run. NOTE 3: RA, RB, and CT are as defined in Figure 3. |
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