LM12454_14 Datasheet, PDF (22/45 Pages) Texas Instruments – LM12454/LM12458/LM12H458 12-Bit + Sign Data Acquisition System with Self-Calibration

LM12454, LM12458, LM12H458
SNAS079A – MAY 2004 – REVISED FEBRUARY 2006
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Figure 10. TRI-STATE Test Circuits and Waveforms
Timing Diagrams
V_A+ = V_D+ = +5V, t_R = t_F = 3 ns, C_L = 100 pF for the INT, DMARQ, D0–D15 outputs.
Figure 11. Multiplexed Data Bus
1, 3: CS or Address valid to ALE low set-up time.
2, 4: CS or Address valid to ALE low hold time.
5: ALE pulse width
6: RD high to next ALE high
7: ALE low to RD low
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