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Renesas HD74AC182 manual

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Table of contents for the manual

  • Page 1

    Rev.2.00, Jul.16. 2004, page 1 of 6 HD74AC182 Carry Lookahead Generator REJ03D025 8–0200Z (Previous ADE- 205-3 78 (Z)) Rev.2.00 Jul. 16.2 004 Description The HD74AC 182 is a h igh-s peed carry lookah ead generator. It i s general ly used w ith the HD74AC 181 or HD74A C381 4-bit arithmetic logic unit to provide high-speed loo ka head over word len[...]

  • Page 2

    HD74AC182 Rev.2.00, Jul.16. 2004, page 2 of 6 Logic Symbol C n G P P 0 C n+x C n+y C n+z G 0 P 1 G 1 P 2 G 2 P 3 G 3 Pin Names Cn Carr y Input G 0 , G 2 Carry Generate Inpu ts (Active Low) G 1 Carry Generate Input (Active L ow) G 3 Carry Generate Input (Active L ow) P 0 , P 1 Carry Propag ate In puts (A ctive Low) P 2 Carry Propagate Input (Active [...]

  • Page 3

    HD74AC182 Rev.2.00, Jul.16. 2004, page 3 of 6 C n + x = G 0 + P 0 C n C n + y = G 1 + P 1 G 0 + P 1 P 0 C n C n + z = G 2 + P 2 G 1 + P 2 P 1 G 0 + P 2 P 1 P 0 C n G = G 3 + P 3 G 2 + P 3 P 2 G 1 + P 3 P 2 P 1 G 0 P = P 3 P 2 P 1 P 0 Also, th e HD74AC182/HD 74ACT182 can be us ed with binary ALUs i n an active L ow or activ e High input operan d mod[...]

  • Page 4

    HD74AC182 Rev.2.00, Jul.16. 2004, page 4 of 6 A bsolute Maximum Ratings Item Symbol Ratings Unit Condition Supply volta ge V CC –0.5 to 7 V –20 mA V I = –0.5V DC input diode current I IK 20 mA V I = Vcc+0. 5V DC input vo ltage V I –0.5 to Vcc+0. 5 V –50 mA V O = –0.5V DC output diode current I OK 50 mA V O = Vcc+0.5V DC output vo ltage [...]

  • Page 5

    HD74AC182 Rev.2.00, Jul.16. 2004, page 5 of 6 A C Characteristics Ta = +25°C C L = 50 pF Ta = –40°C to +85°C C L = 50 pF Item Sy mbol V CC (V) * 1 Min Ty p Max Min Max Unit Propagation de lay t PLH 3.3 1.0 8.0 10.5 1.0 11.5 ns P n to P 5.0 1.0 5.5 8.0 1.0 9.0 Propagation de lay t PH L 3.3 1.0 8.0 10.5 1.0 11.5 ns P n to P 5.0 1.0 5.5 8.0 1.0 9[...]

  • Page 6

    HD74AC182 Rev.2.00, Jul.16. 2004, page 6 of 6 Package Dim ensions Package Code JEDEC JEITA Mass (reference value) FP-16DAV — Conforms 0.24 g *Ni/Pd/Au plating *0.20 ± 0.05 *0.40 ± 0.06 0.12 0.15 M 2.20 Max 5.5 10.06 0.80 Max 16 9 1 8 10.5 Max + 0.20 – 0.30 7.80 0.70 ± 0.20 0 ˚ – 8 ˚ 0.10 ± 0.10 1.15 1.27 As of January, 2003 Unit: mm Pac[...]

  • Page 7

    Keep safety first in your circuit designs! 1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and more reliable, but there is always the possibility that trouble may occur with them. Trouble with semiconductors may lead to personal injury, fire or property damage. Remember to give due consideration to safe[...]