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N74F283D, N74F299N, N74F30240D

Table of contents:
Info of N74F283D
Info of N74F299N
Info of N74F30240D

N74F283D, N74F299N, N74F30240D Selling Leads, Datasheet

MFG:SOP7.2mm Package Cooled:DIP20 D/C:1995

N74F283D, N74F299N, N74F30240D Datasheet download

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Part Number: N74F283D

MFG: SOP7.2mm

Package Cooled: DIP20

D/C: 1995

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N74F283D General Description

The 74F283 adds two 4-bit binary words (An plus Bn) plus the incoming carry. The binary sum appears on the sum outputs (0-3) and the outgoing carry (C_OUT) according to the equation:C_IN+2⁰(A0+B0)+2¹(A1+B1)+2²(A2+B2)+2³(A3+B3)=0+21+42+83+16COUT where(+)=plus

Due to the symmetry of the binary add function, the 74F283 can be used with either all active-High operands (positive logic) or with all active-Low operands (negative logic). See Function Table. In case of all active-Low operands (negative logic) the results 1-4 and COUT should be interpreted also as active-Low. With active-High inputs,C_IN cannot be left open; it must be held Low when no "carry in"is intended. Interchanging inputs of equal weight does not affect the operation, thus A0, B0, C_IN can arbitrarily be assigned to pins 5, 6,7, etc.

Due to pin limitations, the intermediate carries of the 74F283 are not brought out for use as inputs or outputs. However, other means can be used to effectively insert a carry into, or bring a carry out from, an intermediate stage.

N74F283D Maximum Ratings

(Operation beyond the limits set forth in this table may impair the useful life of the device. Unless otherwise noted these limits are over the operating free-air temperature range.)

SYMBOL	PARAMETER	RATING	UNIT
V_CC	Supply voltage	0.5 to +7.0	V
V_IN	Input voltage	0.5 to +7.0	V
I_IN	Input current	30 to +5	mA
V_OUT	Voltage applied to output in High output state	0.5 to VCC	V
I_OUT	Current applied to output in Low output state	70	mA
T_amb	Operating free-air temperature range	0 to +70	°C
T_stg	Storage temperature range	65 to +150	°C

N74F283D Features

·High speed 4-bit addition
·Cascadable in 4-bit increments
·Fast Internal carry look-ahead

N74F283D Connection Diagram

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