MC74VHC138 Motorola, MC74VHC138 Datasheet - Page 5
MC74VHC138
Manufacturer Part Number
MC74VHC138
Description
3-to-8 Line Decoder
Manufacturer
Motorola
Datasheet
1.MC74VHC138.pdf
(7 pages)
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VHC Data – Advanced CMOS Logic
DL203 — Rev 1
E2 or E1
Y
Y
A
t PLH
50%
50%
50% V CC
VALID
50% V CC
Figure 1.
Figure 3.
t PHL
VALID
t PHL
INPUT
Figure 5. Input Equivalent Circuit
t PLH
SWITCHING WAVEFORMS
V CC
GND
V CC
GND
5
E3
Y
t PHL
* Includes all probe and jig capacitance
DEVICE
UNDER
Figure 4. Test Circuit
50%
TEST
50% V CC
Figure 2.
OUTPUT
TEST POINT
MC74VHC138
C L *
t PLH
V CC
GND
MOTOROLA