Instruction/ maintenance manual of the product HD74AC182 Renesas
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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.
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 G.
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 .
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.
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.
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.
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.
An important point after buying a device Renesas HD74AC182 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Renesas HD74AC182 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Renesas HD74AC182 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Renesas HD74AC182 you will learn all the available features of the product, as well as information on its operation. The information that you get Renesas HD74AC182 will certainly help you make a decision on the purchase.
If you already are a holder of Renesas HD74AC182, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Renesas HD74AC182.
However, one of the most important roles played by the user manual is to help in solving problems with Renesas HD74AC182. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Renesas HD74AC182 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
