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74ALVCH162601DGG ECAD models PCB Symbol, Footprint & ECAD Model

18-bit universal bus transceiver with 30 Ohm termination resistor; 3-state

The 74ALVCH162601 is an 18-bit universal transceiver featuring non-inverting 3-state bus compatible outputs in both send and receive directions. Data flow in each direction is controlled by output enable (OE AB and OE BA), and clock (CPAB and CPBA) inputs. For A-to-B data flow, the device operates in the transparent mode when LEAB is HIGH. When LEAB is LOW, the A data is latched if CPAB is held at a HIGH or LOW logic level. If LEAB is LOW, the A-bus data is stored in the latch/flip-flop on the LOW-to-HIGH transition of CPAB. When OE AB is LOW, the outputs are active. When OE AB is HIGH, the outputs are in the high-impedance state. The clocks can be controlled with the clock-enable inputs (CE BA/CE AB).

Data flow for B-to-A is similar to that of A-to-B but uses OE BA,LEBA and CPBA.

To ensure the high-impedance state during power-down, OE BA and OE AB should be tied to VCC through a pull-up resistor, the minimum value of the resistor is determined by the current-sinking/current-sourcing capability of the driver.

The 74ALVCH162601 is designed with 30 Ω series resistors in both HIGH or LOW output stage.

Active bus hold circuitry is provided to hold unused or floating data inputs at a valid logic level.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
74ALVCH162601DGG 74ALVCH162601DGGS 935262800512 SOT364-1 Order product
74ALVCH162601DGG 74ALVCH162601DGGY 935262800518 SOT364-1 Order product
74ALVCH162601DGG 74ALVCH162601DGG,1 935262800112 SOT364-1 Order product
74ALVCH162601DGG 74ALVCH162601DGG:1 935262800118 SOT364-1 Order product


  • Complies with JEDEC standard no. 8-1A
  • CMOS low power consumption
  • Direct interface with TTL levels
  • MULTIBYTE™™ flow-through standard pin-out architecture
  • Low inductance multiple VCC and ground pins for minimum noise and ground bounce
  • All data inputs have bus hold circuitry
  • Integrated 30 Ω termination resistors

Target applications


Type numberProduct statusVCC(A) (V)VCC(B) (V)Logic switching levelsOutput drive capabilitytpd (ns)No of bitsfmax (MHz)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Package name
74ALVCH162601DGGProduction1.65 - 3.6n.a.TTL+/- 123.118150low-40~859321.0TSSOP56


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9352 628 00512 )
Tube in Drypack
( 9352 628 00518 )
ActiveALVCH162601Reel 13" Q1/T1 in Drypack

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFEFRIFRMTBF (hour)MSLMSL leadfree
Quality and reliability disclaimer

Documentation (5)

File nameTitleTypeDate
74ALVCH16260118-bit universal bus transceiver with 30 ohm termination resistor; 3-stateData sheet2018-08-14
alvch162601alvch162601 IBIS modelIBIS model2013-04-07
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
SOT364-1_118TSSOP56; Reel pack; SMD, 13" Q1/T1 Standard product orientation Orderable part number ending ,118 or J Ordering code (12NC) ending 118Packing2013-04-15
SOT364-1plastic, thin shrink small outline package; 56 leads; 0.5 mm pitch; 14 mm x 6.1 mm x 1.2 mm bodyOutline drawing2018-10-18


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File nameTitleTypeDate
alvch162601alvch162601 IBIS modelIBIS model2013-04-07

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
74ALVCH162601DGG74ALVCH162601DGGS935262800512Tube in DrypackOrder product
74ALVCH162601DGG74ALVCH162601DGGY935262800518Reel 13" Q1/T1 in DrypackOrder product
74ALVCH162601DGG74ALVCH162601DGG,1935262800112Bulk PackOrder product
74ALVCH162601DGG74ALVCH162601DGG:1935262800118Reel 13" Q1/T1Order product


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