Integrated Circuits

74253
Dual 4-input multiplexer; 3-state
PDF datasheet
       
1OE 1  • 16 Vcc
S1 2 15 2OE
1I3 3 14 S0
1I2 4 13 2I3
1I1 5 12 2I2
1I0 6 11 2I1
1Y 7 10 2I0
GND 8 9 2Y
       
Pin Symbol Description
1 1OE enable input 1 (active low)
2 S1 common data select input
3 1I3 data input from source 1
4 1I2 data input from source 1
5 1I1 data input from source 1
6 1I0 data input from source 1
7 1Y multiplexer output from source 1
8 GND ground
9 2Y multiplexer output from source 2
10 2I0 data input from source 2
11 2I1 data input from source 2
12 2I2 data input from source 2
13 2I3 data input from source 2
14 S0 common data select input
15 2OE enable input 2 (active low)
16 Vcc supply voltage


Specifications
(typical values under recommended operating conditions, unless specified)
Parameter Value Unit
Propagation delay, 1In , 2In to nY 17 (74HC/HCT) ns
Propagation delay, Sn to nY 18 (74HC)
19 (74HCT)
ns

Notes
  • When 1OE or 2OE is high, the outputs are forced to a high-impedance off state.

Note
Data is maintained by an independent source and accuracy is not guaranteed. Check with the manufacturer's datasheet for up-to-date information.

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