Register once, drag and drop ECAD models into your CAD tool and speed up your design.

Click here for more information

PDI1284P11DL NRND ECAD models PCB Symbol, Footprint & ECAD Model

3.3 V parallel interface transceiver/buffer

The PDI1284P11 parallel interface chip is designed to provide an asynchronous, 8-bit, bidirectional, parallel interface for personal computers. The PDI1284P11 includes all 19 signal lines defined by the IEEE 1284 interface specification for Byte, Nibble, EPP, and ECP modes. The PDI1284P11 is designed for hosts or peripherals operating at 3.3 V to interface 3.3 V or 5.0 V devices.

The eight transceiver pairs (A/B 1 to 8) allow data transmission from the A-bus to the B-bus, or from the B-bus to the A-bus, depending on the state of the direction pin DIR.

The B-bus and the Y9 to Y13 lines have either totem pole or resistor pull-up outputs, depending on the state of the high drive enable pin HD. The A-bus has only totem pole style outputs. All inputs are TTL compatible with at least 400 mV of input hysteresis at VCC= 3.3 V.

Not recommended for new designs (NRND).

Orderable parts

Type number Orderable part number Ordering code (12NC) Package Buy from distributors
PDI1284P11DL PDI1284P11DL,118 935223090118 SOT370-1 Order product
PDI1284P11DL PDI1284P11DL,112 935223090112 SOT370-1 Order product


  • Asynchronous operation
  • 8-bit transceivers
  • Six additional buffer/driver lines peripheral to cable
  • Five additional control lines from cable
  • 5 V tolerant
  • ESD protection:
    • HBM JESD22-A114E exceeds 2000 V
    • MM JESD22-A115-A exceeds 200 V
  • Latch-up current protection exceeds 500 mA per JEDEC Std 19
  • Input hysteresis
  • Low-noise operation
  • IEEE 1284 compliant level 1 and 2
  • Overvoltage protection on B/Y side for off-state
  • A side 3-state option
  • B side active or resistive pull-up option
  • Cable side supply voltage for 5 V or 3 V operation

Target applications

  • Printer interface


Type numberProduct statusVCC (V)Logic switching levelsOutput drive capability (mA)Power dissipation considerationsTamb (°C)Rth(j-a) (K/W)Ψth(j-top) (K/W)Package name
Not for design in3.0 - 3.6LVTTL- 14 / 14low0~708825.0SSOP48


Type numberOrderable part number, (Ordering code (12NC))StatusMarkingPackageOutline versionReflow-/Wave solderingPacking
( 9352 230 90118 )
Reel 13" Q1/T1

Quality, reliability & chemical content

Type numberOrderable part numberChemical contentRoHS / RHFMSLMSL leadfree
Quality and reliability disclaimer

Documentation (5)

File nameTitleTypeDate
PDI1284P113.3 V parallel interface transceiver/bufferData sheet2017-07-20
SSOP-TSSOP-VSO-WAVEFootprint for wave solderingWave soldering2009-10-08
SSOP-TSSOP-VSO-REFLOWFootprint for reflow solderingReflow soldering2009-10-08
SOT370-1_118Standard product orientation 12NC ending 118Packing2013-04-19
SOT370-1plastic, shrink small outline package; 48 leads; 0.635 mm pitch; 15.9 mm x 7.5 mm x 2.8 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.

Ordering, pricing & availability

Type numberOrderable part numberOrdering code (12NC)PackingBuy online
PDI1284P11DLPDI1284P11DL,118935223090118Reel 13" Q1/T1Order product
PDI1284P11DLPDI1284P11DL,112935223090112Bulk PackOrder product


As a Nexperia customer you can order samples via our sales organization or directly via our Online Sample Store:

Sample orders normally take 2-4 days for delivery.

If you do not have a direct account with Nexperia our network of global and regional distributors is available and equipped to support you with Nexperia samples.