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74F385

Features: • Four independent adders/subtractors• Two's complement arithmetic• Synchronous operation• Common Clear and Clock• 74F385 is designed for use with serial multipliers in implementing digital filters and butterfly networks in fast Fourier transformsPinoutSpeci...

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SeekIC No. : 004249766 Detail

74F385: Features: • Four independent adders/subtractors• Two's complement arithmetic• Synchronous operation• Common Clear and Clock• 74F385 is designed for use with serial mult...

74F385 Data Sheet

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Part Number:
74F385
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Four independent adders/subtractors
• Two's complement arithmetic
• Synchronous operation
• Common Clear and Clock
• 74F385 is designed for use with serial multipliers in implementing digital filters and butterfly networks in fast Fourier transforms


Pinout

Connection Diagram


Specifications

SYMBOL
PARAMETER
RATING
UNIT
VCC Supply voltage
0.5 to +7.0
V
VIN Input voltage
0.5 to +7.0
V
IIN Input current
30 to +5
mA
VOUT Voltage applied to output in high output state
0.5 to VCC
V
IOUT Current applied to output in low output state
40
mA
Tamb Operating free air temperature range
0 to +70
°C
Tstg Storage temperature range
65 to +150
°C



Description

The 74F385 contains four independent adder/subtractor elements with common Clock and Master Reset. Each adder/subtractor contains a sum flop-flop and a carry flip-flop for synchronous operations. Flip-flop state changes occur on the rising edge of the Clock Pulse (CP) input signal. The Select (S) input should be Low for the Add (A plus B) mode and High for the Subtract (A minus B) mode. A Low signal of the 74F385 on the asynchronous Master Reset (MR) input clears the sum flip-flop and resets the Carry flip-flop to zero in the Add mode or presets it to one in the Subtract mode.




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