• Part: TC74HC279AF
  • Description: Quad S-R Latch
  • Manufacturer: Toshiba
  • Size: 251.21 KB
Download TC74HC279AF Datasheet PDF
Toshiba
TC74HC279AF
TC74HC279AF is Quad S-R Latch manufactured by Toshiba.
- Part of the TC74HC279 comparator family.
Features - High speed: tpd = 12 ns (typ.) at VCC = 5 V - Low power dissipation: ICC = 2 μA (max) at Ta = 25°C - High noise immunity: VNIH = VNIL = 28% VCC (min) - Symmetrical output impedance: |IOH| = IOL = 4 m A (min) - Balanced propagation delays: tp LH ∼- tp HL - Wide operating voltage range: VCC (opr) = 2 to 6 V - Pin and function patible with 74LS279 Pin Assignment TC74HC279AP Weight DIP16-P-300-2.54A SOP16-P-300-1.27A : 1.00 g (typ.) : 0.18 g (typ.) Start of mercial production 1988-05 1 2014-03-01 IEC Logic Symbol 1S1 1S2 1R 2S 2R 3S1 3S2 3R (2) (3) (1) (6) (5) (11) (12) (10) 4S (15) & S1 R S2 R & S3 R S4 4R (14) R 1 (4) 1Q 2 (7) 2Q 3 (9) 3Q 4 (13) 4Q Truth Table Inputs S# R HH LH HL LL Output Q Qn H L H Qn: The level of Q before the indicated input condition were established. #: For latches with doubles S input. H = Both S input high L = One of both inputs low System Diagram TC74HC279AP/AF 2 2014-03-01 Absolute Maximum Ratings (Note 1) TC74HC279AP/AF 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...