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74LVXC3245

Features: Bidirectional interface between 3V and 3V-to-5V buses Control inputs compatible with TTL level Outputs source/sink up to 24 mA Guaranteed simultaneous switching noise level and dynamic threshold performance Implements patented EMI reduction circuitry Flexible VCCB operating range Allows...

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74LVXC3245: Features: Bidirectional interface between 3V and 3V-to-5V buses Control inputs compatible with TTL level Outputs source/sink up to 24 mA Guaranteed simultaneous switching noise level and dynamic th...

74LVXC3245 Data Sheet

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Part Number:
74LVXC3245
Supply Ability:
5000

Price Break

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

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Product Details

Description



Features:

Bidirectional interface between 3V and 3V-to-5V buses
Control inputs compatible with TTL level
Outputs source/sink up to 24 mA
Guaranteed simultaneous switching noise level and dynamic threshold performance
Implements patented EMI reduction circuitry
Flexible VCCB operating range
Allows B Port and VCCB to float simultaneously when OE is HIGH
Functionally compatible with the 74 series 245


Pinout

Connection Diagram


Specifications

Supply Voltage (VCCA, VCCB)                           −0.5V to +7.0V
DC Input Voltage (VI) @ OE, T/R           −0.5V to VCCB + 0.5V
DC Input/Output Voltage (VI/O)
@ A(n)                                                   −0.5V to VCCA + 0.5V
@ B(n)                                                   −0.5V to VCCB + 0.5V
DC Input Diode Current (IIN)
@ OE , T/R                                                                 ±20 mA
DC Output Diode Current (IOK)                                 ±50 mA
DC Output Source or
Sink Current (IO)                                                      ±50 mA
DC VCC or Ground Current
per Output Pin (ICC or IGND)                                   ±50 mA
and Max Current @ ICCA                                        ±200 mA
@ ICCB                                                                   ±200 mA
Storage Temperature Range
(TSTG)                                                     −65°C to +150°C


Description

The 74LVXC3245 is a 24-pin dual-supply, 8-bit configurable voltage interface transceiver suited for PCMCIA and other real time configurable I/O applications. The VCCA pin accepts a 3V supply level. The A Port is a dedicated 3V port. The VCCB pin accepts a 3V-to-5V supply level. The B Port is configured to track the VCCB supply level respectively. A 5V level on the VCC pin will configure the I/O pins at a 5V level and a 3V VCC will configure the I/O pins at a 3V level. The A Port should interface with a 3V host system and the B Port to the card slots. This 74LVXC3245 will allow the VCCB voltage source pin and I/O pins on the B Port to float when OE is HIGH. This feature is necessary to buffer data to and from a PCMCIA socket that permits PCMCIA cards to be inserted and removed during normal operation.




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