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The NTE4514B (output active-high option) and NTE4515B (output active-low option) are two output options of a 4−to−16 line decoder with latched inputs. The NTE4514B presents a logical "1" at the selected output, whereas the NTE4515B presents a logical "0" at the selected output. The latches are R−S type flip−flops which hold the last input data presented prior to the strobe transition from "1" to "0". These high and low options of a 4−bit latch/4−to−16 line decoder are constructed with N−channel and P−channel enhancement mode devices in a single monolithic structure. The latches are R−S type
flip−flops and data admitted upon a signal incident at the strobe input, decoded and presented at the output. These complementary circuits find primary use in decoding applications where low-power dissipation and/or high-immunity is desired.
VDD = −0.5 to +18.0V
Vin = −0.5 to VDD to +0.5V
I (per pin) = 10mA
TA = −55° to +125°C
Tstg = −65° to +150°C
Above are maximum ratings, those values beyond which damage to the device may occur
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These devices contain circuitry to protect the inputs against damage due to high static voltages or electric fields; however, it is advised that normal precautions be taken to avoid application of any voltage higher than maximum rated voltages to this high impedance circuit. For proper operation, it is recommended that Vin and Vout be constrained to the range VSS ≤ (Vin or Vout) ≤ VDD. Unused inputs must always be tied to an appropriate logic level (e.g., either VSS or VDD).