74688

8-bit magnitude comparator

PDF datasheet

    
E1 •20Vcc
P0219P=Q
Q0318Q7
P1417P7
Q1516Q6
P2615P6
Q2714Q5
P3813P5
Q3912Q4
GND1011P4
    
PinSymbolDescription
1Eenable (active low)
2P0word input
3Q0word input
4P1word input
5Q1word input
6P2word input
7Q2word input
8P3word input
9Q3word input
10GNDground
11P4word input
12Q4word input
13P5word input
14Q5word input
15P6word input
16Q6word input
17P7word input
18Q7word input
19P=Qequal-to output (low when P = Q)
20Vccsupply voltage

Specifications

(typical values under recommended operating conditions, unless specified)
ParameterValueUnit
Propagation delay, Pn, Qn to P=Q17 (74HC/HCT)ns
Propagation delay, E to P=Q8 (74HC)
12 (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.