CY54FCT245T系列介绍资料

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CY54FCT245T

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具有三态输出的八通道总线收发器

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The x92FCT245T devices contain eight noninverting bidirectional buffers with 3-state outputs and are intended for bus-oriented applications.

The transmit/receive (T/R) input determines the direction of data flow through these bidirectional transceivers. Transmit (active high) enables data from A ports to B ports. The output enable (OE), when high, disables both the A and B ports by putting them in the high-impedance state.

These devices are fully specified for partial-power-down applications using I_off. The I_off circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down.

Function, Pinout, and Drive Compatible With FCT and F Logic
Reduced V_OH (Typically = 3.3 V) Versions of Equivalent FCT Functions
Edge-Rate Control Circuitry for Significantly Improved Noise Characteristics
I_off Supports Partial-Power-Down Mode Operation
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)
- 1000-V Charged-Device Model (C101)
Matched Rise and Fall Times
Fully Compatible With TTL Input and Output Logic Levels
CY54FCT245T
- 48-mA Output Sink Current
  12-mA Output Source Current
CY74FCT245T
- 64-mA Output Sink Current
  32-mA Output Source Current
3-State Outputs

Supply voltage (min) (V)	4.75
Supply voltage (max) (V)	5.25
Number of channels	8
IOL (max) (mA)	48
IOH (max) (mA)	-12
Input type	TTL
Output type	TTL
Features	Partial power down (Ioff), Very high speed (tpd 5-10ns)
Technology family	FCT
Rating	Military
Operating temperature range (°C)	-55 to 125

CDIP (J)	20	167.464 mm² 24.2 x 6.92
LCCC (FK)	20	79.0321 mm² 8.89 x 8.89

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CY54FCT245T

具有三态输出的八通道总线收发器

4000-306-326