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CY74FCT543T

Features: • Function, pinout, and drive compatible with FCT and F logic• FCT-C speed at 5.3 ns max. (Com'l) FCT-A speed at 6.5 ns max. (Com'l)• Reduced VOH (typically = 3.3V) versions of equivalent FCT functions• Edge-rate control circuitry for significantly improved ...

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SeekIC No. : 004319545 Detail

CY74FCT543T: Features: • Function, pinout, and drive compatible with FCT and F logic• FCT-C speed at 5.3 ns max. (Com'l) FCT-A speed at 6.5 ns max. (Com'l)• Reduced VOH (typically = 3.3V) versi...

CY74FCT543T Data Sheet

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Part Number:
CY74FCT543T
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:

• Function, pinout, and drive compatible with FCT and F logic
• FCT-C speed at 5.3 ns max. (Com'l)
   FCT-A speed at 6.5 ns max. (Com'l)
• Reduced VOH (typically = 3.3V) versions of equivalent FCT functions
• Edge-rate control circuitry for significantly improved noise characteristics
• Power-off disable feature
• Matched rise and fall times
• Fully compatible with TTL input and output logic levels
• ESD > 2000V
• Sink current          64 mA (Com'l), 48 mA (Mil)
   Source current      32 mA (Com'l), 12 mA (Mil)
• Separation controls for data flow in each direction
• Back to back latches for storage
• Extended commercial range of −40˚C to +85˚C


Pinout

Connection Diagram


Specifications

(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Storage Temperature ................................. 65°C to +150°C
Ambient Temperature with
Power Applied............................................. 65°C to +135°C
Supply Voltage to Ground Potential ............... 0.5V to +7.0V
DC Input Voltage ........................................... 0.5V to +7.0V
DC Output Voltage.........................................  0.5V to +7.0V
DC Output Current (Maximum Sink Current/Pin)    ......120 mA
Power Dissipation  ..........................................................0.5W
Static Discharge Voltage  ............................................>2001V
(per MIL-STD-883, Method 3015)


Description

The FCT543T octal latched transceiver contains two sets of eight D-type latches with separate latch enable (LEAB, LEBA) and output enable (OEAB, OEBA) controls for each set to permit independent control of inputting and outputting in either direction of data flow. For data flow from A to B, for example,the A-to-B enable (CEAB) input must be LOWin order to enter data from A or to take data from B, as indicated in the truth table. With CEAB LOW, a LOW signal on the A-to-B latch enable (LEAB) input of FCT543T makes the A-to-B latches transparent; a subsequent LOW-to-HIGH transition of the LEAB signal puts the A latches in the storage mode and their output no longer change with the A inputs. With CEAB and OEAB both LOW, the three-stage B output buffers FCT543T are active and reflect the data present at the output of the A latches. Control of data from B to A is similar, but uses CEAB, LEAB, and OEAB inputs.

The outputs of FCT543T are designed with a power-off disable feature to allow for live insertion of boards.




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