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Renesas HD74AC182 Datasheet

Carry lookahead generator
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HD74AC182
Carry Lookahead Generator
Description
The HD74AC182 is a high-speed carry lookahead generator. It is generally used with the HD74AC181 or HD74AC381
4-bit arithmetic logic unit to provide high-speed lookahead over word lengths of more than four bits.
Features
Outputs Source/Sink 24 mA
Ordering Information
Part Name
HD74AC182FPEL
SOP-16 pin (JEITA)
HD74AC182RPEL
SOP-16 pin (JEDEC) FP-16DNV
Notes: 1. Please consult the sales office for the above package availability.
2. The packages with lead-free pins are distinguished from the conventional products by adding V at the end of
the package code.
Pin Arrangement
Rev.2.00, Jul.16.2004, page 1 of 6
Package Type
Package Code Package Abbreviation Taping Abbreviation (Quantity)
FP-16DAV
1
G
1
P
2
1
G
3
0
P
4
0
G
5
3
P
6
3
7
P
GND
8
FP
RP
16
V
CC
15
P
2
14
G
2
13
C
n
12
C
n+X
11
C
n+y
10
G
9
C
n+z
(Top view)
REJ03D0258–0200Z
(Previous ADE-205-378 (Z))
Rev.2.00
Jul.16.2004
EL (2,000 pcs/reel)
EL (2,500 pcs/reel)

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  Summary of Contents for Renesas HD74AC182

  • Page 1 HD74AC182 Carry Lookahead Generator Description The HD74AC182 is a high-speed carry lookahead generator. It is generally used with the HD74AC181 or HD74AC381 4-bit arithmetic logic unit to provide high-speed lookahead over word lengths of more than four bits. Features Outputs Source/Sink 24 mA...
  • Page 2: Pin Names

    Please note that this diagram is provided only for the understanding of logic operations and should not be used to estimate propagation delays. Functional Description The HD74AC182/HD74ACT182 carry lookahead generator accepts up to four pairs of Active Low Carry Propagate (P to P to G...
  • Page 3: Truth Table

    P = P Also, the HD74AC182/HD74ACT182 can be used with binary ALUs in an active Low or active High input operand mode. The connections (Figure a) to and from the ALU to the carry lookahead generator are identical in both cases.
  • Page 4: Absolute Maximum Ratings

    HD74AC182 Absolute Maximum Ratings Item Supply voltage DC input diode current DC input voltage DC output diode current DC output voltage DC output source or sink current DC V or ground current per output pin Storage temperature Recommended Operating Conditions...
  • Page 5 HD74AC182 AC Characteristics Item Symbol Propagation delay to P Propagation delay to P Propagation delay to C n + x, y, z Propagation delay to C n + x, y, z Propagation delay or G to C n + x, y, z...
  • Page 6: Package Dimensions

    HD74AC182 Package Dimensions 1.27 *0.40 ± 0.06 *Ni/Pd/Au plating *0.40 ± 0.06 *Ni/Pd/Au plating Rev.2.00, Jul.16.2004, page 6 of 6 10.06 10.5 Max 0.80 Max 0.15 0.12 Package Code JEDEC JEITA Mass (reference value) 10.3 Max 1.27 0.635 Max 0.60 0.15...
  • Page 7 Notes regarding these materials 1. These materials are intended as a reference to assist our customers in the selection of the Renesas Technology Corp. product best suited to the customer's application; they do not convey any license under any intellectual property rights, or any other rights, belonging to Renesas Technology Corp. or a third party.