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74HC154D-74HC154N-74HCT154D-74HCT154N-74HCT154PW
74HC154; 74HCT154; 4-to-16 line decoder/demultiplexer
Philips Semiconductors Product specification
4-to-16 line decoder/demultiplexer 74HC154; 74HCT154
FEATURES 16-line demultiplexing capability Decodes 4 binary-coded inputs into one 16 mutually
exclusive outputs Complies with JEDEC standard no. 8-1B ESD protection:
HBM EIA/JESD22-A114-B exceeds 2000V
MM EIA/JESD22-A115-A exceeds 200V. Specified from −40°Cto +85°C and −40°Cto +125 °C.
DESCRIPTIONThe 74HC154; 74HCT154 are high-speed Si-gate CMOS
devices and are pin compatible with low power Schottky
TTL (LSTTL). They are specified in compliance with
JEDEC standard no. 7A.
The 74HC154; 74HCT154 decoders accept four active
HIGH binary address inputs and provide 16 mutually
exclusive active LOW outputs. The two-input enable gate
canbe usedto strobe the decoderto eliminate the normal
decoding “glitches”on the outputs,or canbe usedfor the
expansion of the decoder.
The enable gate has two ANDed inputs which must be
LOW to enable the outputs.
The 74HC154; 74HCT154 can be used as a 1-to-16
demultiplexer by using one of the enable inputs as the
multiplexed data input.
When the other enable inputis LOW, the addressed output
will follow the state of the applied data.
QUICK REFERENCE DATAGND= 0 V; Tamb =25 °C; tr =tf=6 ns.
Notes CPD is used to determine the dynamic power dissipation (PDin μW). =CPD× VCC2×fi× N+ Σ(CL× VCC2×fo) where:= input frequency in MHz;= output frequency in MHz;= output load capacitance in pF;
VCC= supply voltage in Volts;= total load switching outputs;
Σ(CL× VCC2×fo)= sum of the outputs. For 74HC154 the condition is VI= GNDto VCC
For 74HCT154 the condition is VI= GNDto VCC− 1.5V.
Philips Semiconductors Product specification
4-to-16 line decoder/demultiplexer 74HC154; 74HCT154
FUNCTION TABLESee note1.
Note H= HIGH voltage level= LOW voltage level= don’t care.
Philips Semiconductors Product specification
4-to-16 line decoder/demultiplexer 74HC154; 74HCT154
ORDERING INFORMATION
PINNING
Philips Semiconductors Product specification
4-to-16 line decoder/demultiplexer 74HC154; 74HCT154
Philips Semiconductors Product specification
4-to-16 line decoder/demultiplexer 74HC154; 74HCT154
Philips Semiconductors Product specification
4-to-16 line decoder/demultiplexer 74HC154; 74HCT154
RECOMMENDED OPERATING CONDITIONS
LIMITING VALUES accordance with the Absolute Maximum Rating System (IEC 60134); voltages are referencedto GND (ground=0 V).
Notes The input and output voltage ratings may be exceeded if the input and output current ratings are observed. For DIP24 packages: above 70 °C the value of Ptot derates linearly with 12 mW/K.
For SO24 packages: above 70 °C the value of Ptot derates linearly with 8 mW/K.
For SSOP24 and TSSOP24 packages: above 60 °C the value of Ptot derates linearly with 5.5 mW/K.
For DHVQFN24 packages: above 60 °C the value of Ptot derates linearly with 4.5 mW/K.
Philips Semiconductors Product specification
4-to-16 line decoder/demultiplexer 74HC154; 74HCT154
CHARACTERISTICS
Type 74HC154At recommended operating conditions; voltages are referenced to GND (ground=0 V).
Philips Semiconductors Product specification
4-to-16 line decoder/demultiplexer 74HC154; 74HCT154
Philips Semiconductors Product specification
4-to-16 line decoder/demultiplexer 74HC154; 74HCT154
Philips Semiconductors Product specification
4-to-16 line decoder/demultiplexer 74HC154; 74HCT154
Type 74HCT154At recommended operating conditions; voltages are referenced to GND (ground=0 V).
