HD74LS283 4-bit Binary Full Adder REJ03D0476–0300 Rev.3.00 Jul.15.2005 The HD74LS283 adder is electrically and functionally identical to the HD74LS83A, respectively; only the arrangement of the terminals has been changed. This improved full adder performs the addition of two 4-bit binary words. The sum (Σ) outputs are provided for each bit and the resultant carry (C4) is obtained from the fourth bits generating the carry term in then nanoseconds. The adder logic, including the carry, is implemented in its true form. End around carry can be accomplished without the need for logic or level inversion. Features • Ordering Information Part Name Package Type Package Code (Previous Code) Package Abbreviation Taping Abbreviation (Quantity) HD74LS283P DILP-16 pin PRDP0016AE-B (DP-16FV) P — PRSP0016DH-B FP (FP-16DAV) Note: Please consult the sales office for the above package availability. HD74LS283FPEL SOP-16 pin (JEITA) EL (2,000 pcs/reel) Pin Arrangement Σ2 1 B2 2 B2 A2 3 Σ1 16 VCC B3 15 B3 A2 A3 14 A3 4 Σ1 Σ3 13 Σ3 A1 5 A1 A4 12 A4 B1 6 B1 B4 11 B4 C0 7 C0 Σ4 10 Σ4 GND 8 9 C4 Σ2 C4 (Top view) Rev.3.00, Jul.15.2005, page 1 of 7 HD74LS283 Function Table Inputs A1 B1 When C0 = L A2 A3 Σ1 B2 B3 A4 Σ2 Σ3 B4 L H L H L H L H L H L H L L H H L L H H L L H H L L L L H H H H L L L L L L L L L L L L H H H H L H H L L H H L L H H L L L L H H H H L H H H L L H L L H H H H L H L L Outputs When C0 = H When C2 = L C2 Σ1 Σ2 Σ4 C4 Σ3 L H L L L L L H L H L L L L H H L H L L L L H H H H H L L H H H H L L L H L L L L H When C2 = H C2 Σ4 C4 L L L L L H H H L H H H H H L H H H H L H L H H H H H H L H H H H H H; high level, L; low level Note: Input conditions at A1, B1, A2, B2, and C0are use to determine outputs Σ1 and Σ2 and the value of the internal carry C2. The values at C2, A3, B3, A4, and B4 are then used to determine outputs Σ3, Σ4, and C4. Rev.3.00, Jul.15.2005, page 2 of 7 HD74LS283 Block Diagram C4 B4 A4 Σ4 B3 A3 Σ3 B2 Σ2 A2 B1 Σ1 A1 C0 Absolute Maximum Ratings Item Symbol Ratings Unit Supply voltage VCC 7 V Input voltage VIN 7 V PT 400 mW Tstg –65 to +150 °C Power dissipation Storage temperature Note: Voltage value, unless otherwise noted, are with respect to network ground terminal. Recommended Operating Conditions Item Supply voltage Output current Operating temperature Rev.3.00, Jul.15.2005, page 3 of 7 Symbol Min Typ Max Unit VCC 4.75 5.00 5.25 V IOH — — –400 µA IOL — — 8 mA Topr –20 25 75 °C HD74LS283 Electrical Characteristics (Ta = –20 to +75 °C) Item Input voltage Symbol VIH VIL min. 2.0 — typ.* — — max. — 0.8 Unit V V VOH 2.7 — — V — — — — — — — — — — — — — — — — 0.4 0.5 40 20 –0.8 –0.4 0.2 0.1 Output voltage VOL except C0 C0 except C0 C0 except C0 Input current IIH IIL II V Condition VCC = 4.75 V, VIH = 2 V, VIL = 0.8 V, IOH = –400 µA IOL = 4 mA VCC = 4.75 V, VIH = 2 V, IOL = 8 mA VIL = 0.8 V µA VCC = 5.25 V, VI = 2.7 V mA VCC = 5.25 V, VI = 0.4 V mA VCC = 5.25 V, VI = 7 V VCC = 5.25 V All inputs grounded All B low other inputs at 4.5V C0 Short-circuit output current IOS –20 — — 22 –100 39 mA Supply current ICC — 19 34 mA Input clamp voltage VIK — — 19 — 34 –1.5 V VCC = 5.25 V All inputs at 4.5V VCC = 4.75 V, IIN = –18 mA Note: * VCC = 5 V, Ta = 25°C Switching Characteristics (VCC = 5 V, Ta = 25°C) Item Propagation delay time Symbol tPLH tPHL tPLH tPHL tPLH tPHL tPLH tPHL Rev.3.00, Jul.15.2005, page 4 of 7 Inputs Outputs C0 Σi Ai, Bi Σi C0 C4 Ai, Bi C4 min. — — — — — — — — typ. 16 15 15 15 11 11 11 12 max. 24 24 24 24 17 22 17 17 Unit ns ns ns ns ns ns ns ns Condition CL = 15 pF, RL = 2 kΩ HD74LS283 Testing Method Test Circuit VCC Output 4.5V RL Load circuit 1 C4 CL A4 B4 Input See Testing Table P.G. Zout = 50Ω Output A3 Σ4 B3 A2 Σ3 B2 Same as Load Circuit 1. Output A1 Σ2 B1 Same as Load Circuit 1. Output C0 Notes: Same as Load Circuit 1. Output Σ1 Same as Load Circuit 1. 1. CL includes probe and jig capacitance. 2. All diodes are 1S2074(H). Waveform tTHL tTLH 90% 1.3 V Input 3V 90% 1.3 V 10% 10% 0V tPHL tPLH VOH In phase output 1.3 V 1.3 V VOL tPHL tPLH VOH Out of phase output 1.3 V 1.3 V VOL Notes: Input pulse; tTLH ≤ 15 ns, tTHL ≤ 6 ns, PRR = 1 MHz, duty cycle 50%. Rev.3.00, Jul.15.2005, page 5 of 7 HD74LS283 Testing Table Ite m From input to output C0→Σi or C4 tPLH tPHL Ai or Bi →Σi or C4 B4 A4 B3 A3 Inputs B2 A2 B1 A1 C0 C4 Σ4 GND GND GND GND GND GND GND GND IN — — — — OUT GND 4.5V GND 4.5V GND 4.5V GND 4.5V IN OUT OUT OUT OUT OUT GND IN IN GND GND — — — — OUT GND GND GND — — — OUT — GND GND GND GND GND GND GND GND GND GND GND IN IN GND GND IN IN GND GND GND GND GND GND GND GND 4.5V IN IN 4.5V Rev.3.00, Jul.15.2005, page 6 of 7 GND GND Outputs Σ3 Σ2 Σ1 GND IN IN GND GND GND GND GND GND — — OUT — — GND GND GND GND GND GND — OUT — — — GND GND GND GND GND — — — OUT OUT GND GND 4.5V IN IN 4.5V GND GND 4.5V IN IN 4.5V GND GND GND — — OUT OUT — 4.5V IN IN 4.5V GND GND GND GND GND — OUT OUT — — GND GND GND GND GND OUT OUT — — — HD74LS283 Package Dimensions JEITA Package Code P-DIP16-6.3x19.2-2.54 RENESAS Code PRDP0016AE-B MASS[Typ.] 1.05g Previous Code DP-16FV D 9 E 16 1 8 b3 0.89 Z A1 A Reference Symbol L e Nom θ c e1 D 19.2 E 6.3 JEITA Package Code P-SOP16-5.5x10.06-1.27 RENESAS Code PRSP0016DH-B *1 Previous Code FP-16DAV 7.4 A1 0.51 b p 0.40 b 3 0.48 0.56 1.30 c 0.19 θ 0° e 2.29 0.25 0.31 2.54 2.79 15° 1.12 L 2.54 MASS[Typ.] 0.24g NOTE) 1. DIMENSIONS"*1 (Nom)"AND"*2" DO NOT INCLUDE MOLD FLASH. 2. DIMENSION"*3"DOES NOT INCLUDE TRIM OFFSET. D F 16 20.32 5.06 Z ( Ni/Pd/Au plating ) Max 7.62 1 A bp e Dimension in Millimeters Min 9 c HE *2 E bp Index mark Reference Symbol Terminal cross section ( Ni/Pd/Au plating ) 1 Z *3 bp Nom D 10.06 E 5.50 Max 10.5 A2 8 e Dimension in Millimeters Min x A1 M 0.00 0.10 0.20 0.34 0.40 0.46 0.15 0.20 0.25 7.80 8.00 A L1 2.20 bp b1 c A c A1 θ y L Detail F 1 θ 0° HE 7.50 e 1.27 x 0.12 y 0.15 0.80 Z L L Rev.3.00, Jul.15.2005, page 7 of 7 8° 0.50 1 0.70 1.15 0.90 Sales Strategic Planning Div. Nippon Bldg., 2-6-2, Ohte-machi, Chiyoda-ku, Tokyo 100-0004, Japan 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. 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