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74ALVCH16841DGG ECAD models PCB Symbol, Footprint & ECAD Model

20-bit bus interface D-type latch; 3-state

The 74ALVCH16841 has two 10-bit D-type latch featuring separate D-type inputs for each latch and 3-state outputs for bus oriented applications. The two sections of each register are controlled independently by the latch enable (nLE) and output enable (nOE) control gates.

When nOE is LOW, the data in the registers appears at the outputs. When nOE is HIGH the outputs are in High-impedance OFF state. Operation of the nOE input does not affect the state of the flip-flops.

The 74ALVCH16841 has active bus hold circuitry which is provided to hold unused or floating data inputs at a valid logic level. This feature eliminates the need for external pull-up or pull-down resistors.

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
74ALVCH16841DGG 74ALVCH16841DGGS 935259090512 SOT364-1 Order product
74ALVCH16841DGG 74ALVCH16841DGGY 935259090518 SOT364-1 Order product
74ALVCH16841DGG 74ALVCH16841DGG:11 935259090112 SOT364-1 Order product
74ALVCH16841DGG 74ALVCH16841DGG,11 935259090118 SOT364-1 Order product


  • Wide supply voltage range of 1.2 V to 3.6 V
  • CMOS low power consumption
  • Direct interface with TTL levels
  • Current drive ±24 mA at VCC = 3.0 V
  • MULTIBYTE flow-through standard pin-out architecture
  • Low inductance multiple VCC and GND pins for minimize noise and ground bounce
  • All data inputs have bushold
  • Output drive capability 50 Ω transmission lines at 85 °C
  • 3-state non-inverting outputs for bus oriented applications
  • Complies with JEDEC standards:
    • JESD8-5 (2.3 V to 2.7 V)
    • JESD8B/JESD36 (2.7 V to 3.6 V)
  • ESD protection:
    • HBM ANSI/ESDA/JEDEC JS-001 exceeds 2000 V
    • CDM JESD22-C101E exceeds 1000 V

Target applications


Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)tpd (ns)No of bitsPower dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Package name
74ALVCH16841DGGProduction2.3 - 3.6LVTTL± 242.420low-40~859321.0TSSOP56


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9352 590 90512 )
Tube in Drypack
( 9352 590 90518 )
ActiveALVCH16841Reel 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
74ALVCH1684120-bit bus interface D-type latch; 3-stateData sheet2018-09-12
alvch16841alvch16841 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


If you are in need of design/technical support, let us know and fill in the answer form, we'll get back to you shortly.


File nameTitleTypeDate
alvch16841alvch16841 IBIS modelIBIS model2013-04-07

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
74ALVCH16841DGG74ALVCH16841DGGS935259090512Tube in DrypackOrder product
74ALVCH16841DGG74ALVCH16841DGGY935259090518Reel 13" Q1/T1 in DrypackOrder product
74ALVCH16841DGG74ALVCH16841DGG:11935259090112Bulk PackOrder product
74ALVCH16841DGG74ALVCH16841DGG,11935259090118Reel 13" Q1/T1Order product


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