TC74LCX164245FT

Features: Bidirectional interface between 5-V and 3.3-V or 2.5-V buses High-speed: tpd = 5.8 ns (max) (VCCB = 5.0 ± 0.5 V/VCCA = 3.3 ± 0.3 V, Ta = −40 to 85°C) Low power dissipation: ICC = 80 µA (max) (Ta = −40 to 85°C) Symmetrical ouput impedance: IOUTA = ±24 mA (min) IOUTB = ...

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SeekIC No. : 004514549 Detail

TC74LCX164245FT: Features: Bidirectional interface between 5-V and 3.3-V or 2.5-V buses High-speed: tpd = 5.8 ns (max) (VCCB = 5.0 ± 0.5 V/VCCA = 3.3 ± 0.3 V, Ta = −40 to 85°C) Low power dissipation: ICC = 80...

floor Price/Ceiling Price

Part Number:
TC74LCX164245FT
Supply Ability:
5000

Price Break

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

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Upload time: 2025/1/12

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Product Details

Description



Features:

Bidirectional interface between 5-V and 3.3-V or 2.5-V buses
High-speed: tpd = 5.8 ns (max)
                      (VCCB = 5.0 ± 0.5 V/VCCA = 3.3 ± 0.3 V, Ta = −40 to 85°C)
Low power dissipation: ICC = 80 µA (max) (Ta = −40 to 85°C)
Symmetrical ouput impedance: IOUTA = ±24 mA (min)
                                                   IOUTB = ±24 mA (min) 
                                                   (VCCA = 3.0 V/VCCB = 4.5 V)
Power-down protection provided on all inputs and outputs
Allows A port and VCCA to float simultaneously when OE is "H".
Latch-up performance: ±500 mA
Package: TSSOP (thin shrink small outline package)



Pinout

  Connection Diagram


Specifications

Characteristics Symbol Rating Unit
Power supply voltage (Note 2) VCCB -0.5 to 7.0 V

VCCA

-0.5 to VCCB + 0.5

DC input voltage
           (DIR, OE )
VIN -0.5 to 7.0 V
DC bus I/O voltage VI/OB -0.5 to 7.0 (Note 3) V
-0.5 to VCCB +0.5
(Note 4)

VI/OA

-0.5 to 7.0 (Note 3)
-0.5 to VCCA + 0.5
(Note 4)
Input diode current IIK -50 mA
Output diode current II/OK ±50 (Note 5) mA
DC output current IOUTB ±50 mA
IOUTA ±50
DC VCC/ground current per supply pin ICCB ±100 mA
ICCA ±100
Power dissipation PD 400 mW
Storage temperature Tstg -65 to 150 oC
Note 2:  VCCB> VCCA
              Don't supply a voltage to VCCA terminal when VCCB is in the off-state.
Note 3:  OFF state
Note 4:  High or low state. IOUT absolute maximum rating must be observed.
Note 5:  VOUT < GND, VOUT > VCC



Description

The TC74LCX164245FT is a dual supply, advanced high-speed CMOS 16-bit dual supply voltage interface bus transceiver fabricated with silicon gate CMOS technology.

Designed for use as an interface between a 5-V bus and a 3.3-V or 2.5-V bus in mixed 5-V/3.3-V or 2.5-V supply systems, it achieves high-speed operation while maintaining the CMOS low power dissipation.  

It is intended for 2 way asynchronous communication between data busses. The direction of data transmission is determined by the level of the DIR input. The enable input (OE) can be used to disable the device so that the buses are effectively isolated. The B-port interfaces with the 5-V bus, the A-port with the 3.3-V or 2.5-V bus.

All inputs of the TC74LCX164245FT are equipped with protection circuits against static discharge or transient excess voltage.




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