Description
The HD74HC138 has 3 binary select inputs (A, B and C). If the device is enabled these inputs determine
which one of the eight normally high outputs will go low. Two active low and one active high enables (G1,
G2A and G2B) are provided to ease the cascading of decoders.
Features
Function Table


Ordering Information
|
Part Name |
Package Type |
Package Code (Previous Code) |
Package Abbreviation |
Taping Abbreviation (Quantity) |
|
HD74HC138P |
DILP-16 pin |
PRDP0016AE-B (DP-16FV) |
P |
— |
|
HD74HC138FPEL |
SOP-16 pin (JEITA) |
PRSP0016DH-B (FP-16DAV) |
FP |
EL (2,000 pcs/reel) |
|
HD74HC138TELL |
TSSOP-16 pin |
PTSP00016JB-A (TTP-16DAV) |
T |
ELL (2,000 pcs/reel) |
Absolute Maximum Ratings
Item Symbol Rating Unit Supply voltage range VCC –0.5 to +7.0 V Input voltage VIN –0.5 to VCC + 0.5 V Output voltage VOUT –0.5 to VCC + 0.5 V Output current IOUT ±25 mA DC current drain per VCC, GND ICC, IGND ±50 mA DC input diode current IIK ±20 mA DC output diode current IOK ±20 mA Power dissipation per package PT 500 mW Storage temperature Tstg –65 to +150 °C