TC74HCT688AF
Features
- High speed: tpd = 17 ns (typ.) at VCC = 5 V
- Low power dissipation: ICC = 4 μA (max) at Ta = 25°C
- patible with TTL outputs: VIH = 2.0 V (min)
VIL = 0.8 V (max)
- Output drive capability: 10 LSTTL loads
- Symmetrical output impedance: |IOH| = IOL = 4 m A (min)
- Balanced propagation delays: tp LH ∼- tp HL
- Pin and function patible with 74LS688
Pin Assignment
TC74HCT688AP
Weight DIP20-P-300-2.54A SOP20-P-300-1.27A
: 1.30 g (typ.) : 0.22 g (typ.)
Start of mercial production
1988-11
2014-03-01
IEC Logic Symbol
Truth Table
Inputs
P, Q G
P=Q L
P≠Q L
Output P=Q
X: Don’t care
System Diagram
TC74HCT688AP/AF
2014-03-01
TC74HCT688AP/AF
Absolute Maximum Ratings (Note 1)
Characteristics
Symbol
Rating
Unit
Supply voltage range DC input voltage DC output voltage Input diode current Output diode current DC output current DC VCC/ground current Power dissipation Storage temperature
VCC VIN VOUT IIK IOK IOUT ICC PD...
