74251

8-input multiplexer; 3-state

PDF datasheet

    
I31 •16Vcc
I2215I4
I1314I5
I0413I6
Y512I7
Y611S0
OE710S1
GND89S2
    
PinSymbolDescription
1I3multiplexer input
2I2multiplexer input
3I1multiplexer input
4I0multiplexer input
5Ymultiplexer output
6Ycomplementary multiplexer output
7OEenable input (active low; outputs in high-impedance off state when high)
8GNDground
9S2select input
10S1select input
11S0select input
12I7multiplexer input
13I6multiplexer input
14I5multiplexer input
15I4multiplexer input
16Vccsupply voltage

Specifications

(typical values under recommended operating conditions, unless specified)
ParameterValueUnit
Propagation delay, In to Y15 (74HC)
19 (74HCT)
ns
Propagation delay, In to Y17 (74HC)
19 (74HCT)
ns
Propagation delay, Sn to Y20 (74HC/HCT)ns
Propagation delay, Sn to Y21 (74HC)
21 (74HCT)
ns

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