MC74HCT138A Motorola, MC74HCT138A Datasheet
MC74HCT138A
Available stocks
Related parts for MC74HCT138A
MC74HCT138A Summary of contents
Page 1
... Decoder/Demultiplexer with LSTTL Compatible Inputs High–Performance Silicon–Gate CMOS The MC74HCT138A is identical in pinout to the LS138. The HCT138A may be used as a level converter for interfacing TTL or NMOS outputs to High Speed CMOS inputs. The HCT138A decodes a three–bit Address to one–of–eight active–lot outputs. This device features three Chip Select inputs, two active– ...
Page 2
... MC74HCT138A Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...
Page 3
... EXPANDED LOGIC DIAGRAM 3 MC74HCT138A Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î Î ...
Page 4
... MC74HCT138A VALID VALID 1.3 V INPUT A t PLH 1.3 V OUTPUT Y Figure 1. CS2, CS3 OUTPUT Y MOTOROLA SWITCHING WAVEFORMS 3 V INPUT CS1 GND t PHL t PHL OUTPUT Y t THL 2.7 V INPUT 1 PHL t PLH 90% 1.3 V 10% t THL t TLH Figure 3. TEST CIRCUIT TEST POINT OUTPUT DEVICE UNDER ...
Page 5
... MC74HCT138A NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. DIMENSION L TO CENTER OF LEADS WHEN FORMED PARALLEL. 4. DIMENSION B DOES NOT INCLUDE MOLD FLASH. 5. ROUNDED CORNERS OPTIONAL. INCHES MILLIMETERS DIM MIN MAX ...
Page 6
... D 0.05 0.15 0.002 0.006 F 0.50 0.75 0.020 0.030 G 0.65 BSC 0.026 BSC H 0.18 0.28 0.007 0.011 J 0.09 0.20 0.004 0.008 J1 0.09 0.16 0.004 0.006 –W– K 0.19 0.30 0.007 0.012 K1 0.19 0.25 0.007 0.010 L 6.40 BSC 0.252 BSC MC74HCT138A/D High–Speed CMOS Logic Data DL129 — Rev 6 ...