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TI LSF0204DRUTR product image
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TI LSF0204DRUTRRoHS

Manufacturer
TI
MPN
LSF0204DRUTR
LCSC Part #
C2677443
Packaging
UQFN-12(1.7x2)
Customer #
Key Attributes
4-bit bidirectional multi-voltage level shifter
Datasheetpdf iconTI LSF0204DRUTR
In-Stock: 100
100 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 0.618$ 0.62
10+$ 0.605$ 6.05
30+$ 0.5968$ 17.90
100+$ 0.587$ 58.70
Standard Packaging3000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Logic/Translators, Level Shifters
ManufacturerTI
PackagingUQFN-12(1.7x2)
output typeOpen-drain;Push-Pull
Output Signal-
Operating Temperature-40℃~+125℃
Input Signal-
Data Rate-
Number of Elements1
Channel TypeBidirectional
FeaturesAutomatic direction detection;Output enable high-impedance
Voltage - Supply800mV~4.5V;1.8V~5.5V
Number of Circuits4
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging3000
Sales UnitPiece

Introduction

AI Translation

The LSF series includes bidirectional voltage level translators operating across voltage ranges of 0.8V to 4.5V (Vref_A) and 1.8V to 5.5V (Vref_B). This range supports bidirectional voltage translation between 0.8V and 5.0V without requiring direction terminals in open-drain or push-pull applications. For open-drain systems using 15pF capacitors and 165Ω pull-up resistors, the LSF series supports level translation applications at transfer speeds greater than 100MHz. When an An or Bn port is driven low, the switch is turned on, establishing a low-resistance connection between the An and Bn ports. The low R_on of the switch enables connections with ultra-small propagation delay and signal distortion. The voltage on the A or B side is clamped to Vref_A and can be pulled up to any voltage level between Vref_A and 5V. This feature enables seamless translation between user-selected higher and lower voltages without direction control. The supply voltage (V_pu#) for each channel can be individually configured with pull-up resistors. For example, CH1 can be used in up-translation mode (1.2V↔3.3V) while CH2 can be used in down-translation mode (2.5V↔1.8V). When EN is high, the translator switches are closed and the An I/Os are connected to their respective Bn I/Os, enabling bidirectional data flow between ports. When EN is low, the translator switches are open and the ports are in a high-impedance state. The EN input circuit is designed to be powered by Vref_A. EN must be held low to ensure a high-impedance state during power-up or power-down.

Features

AI Translation
  • Bidirectional voltage translation without direction terminal
  • Up-translation up to 100MHz and down-translation greater than 100MHz with capacitive load ≤30pF; up/down-translation up to 40MHz with 50pF capacitive load
  • Supports Ioff, partial power-down mode
  • Low standby current
  • TTL-compatible 5V tolerant
  • Low port R_on for minimal signal distortion
  • High-impedance I/O with EN = LOW
  • Pass-through pinout for simplified PCB routing
  • Latch-up performance exceeds 100mA per JESD17
  • Operating temperature range: -40℃ to 125℃
  • ESD performance tested per JESD 22
    • 2000V Human Body Model (A114-B, Class II)
    • 200V Machine Model (A115-A)
    • 1000V Charged Device Model (C101)

Applications

AI Translation
  • GPIO, MDIO, PMBus, SMBus, SDIO, UART, I2C, and other interfaces in telecom infrastructure
  • Industrial
  • Automotive
  • Personal Computing