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Features
DTF 24Q

Lead free versions available RoHS compliant (lead free version)* Combined EPP/ECP parallel port terminator and filter with an integrated diode array Complete interface solution - two packages replace 61 discrete elements

*R
Nine termination channels per package Supports IEC 61000-4-2 ESD specification requirements*
General Information
The Model 2DTF Series IEEE 1284 Terminator/Filter is a multi-functional single device interface for IEEE EPP/ECP designs. In addition to termination and filtering, the Model 2DTF offers 8 KV contact discharge and 15 KV air discharge (per Human Body model) of ESD protection and is specifically designed to meet the requirements of ESD system specification IEC 61000-4-2. This highly integrated product is well-suited for use in spaceconstrained applications such as PC notebooks and motherboards, NT servers, engineering workstations, and portable battery powered devices. It is also useful in peripheral products which are designed to communicate through the EPP/ECP parallel port such as inkjet and laser printers, portable/removable drives, scanners, digital cameras, tape back-ups, LANs and other communication interfaces.
Electrical & Environmental Characteristics
Electrical Characteristics
Resistor Tolerance Resistor Power Dissipation @ 70 C Capacitor Tolerance Capacitor Breakdown Voltage Maximum Operating Voltage Forward Voltage: @If = 1 mA @If = 10 mA Reverse Breakdown Voltage: @IR = 10 A @ 70 C @IR = 1 A @ 25 C Max. Leakage Current @ Max. Vcc @ 25 C Signal Clamp Voltages: Positive Clamp Negative Clamp
Environmental Characteristics
Operating Temperature Storage Temperature Diode Power Rating ESD Performance Withstand*: Contact Discharge Air Discharge TJ Tstg -55 -65 +125 +150 20 9 16 C C mW/diode kV kV
* Note: IEC 61000-4-2 ESD test performance is measured at the systems level and system designs, enclosure shielding and other conventional ESD control measures usually influence the results of these tests. Testing on the component level serves as an indicator that the system passes a specific compliance step, but does not ensure that the system passes at that level. The Model 2DTF device, therefore, can support successful implementation of the IEC 61000-4-2 system level ESD standard.
6 003
Thin Film On Silicon 2DTF 1284 Terminator/Filter with Integrated ESD Array
Package Schematic
GND Vcc 24 23 GND 13
22
21
20
19
18
17
16
15
14
R1 R2
1 2 GND GND
3
4
5
6
7
8
9
10
11
12 GND
Symbol
Minimum
Nominal
Maximum
10 100 20
Unit
% mW % V V V V V V A V V
25 Vcc Vf Vf RV RV 6 0.5 6 0.5
35 6.0 0.9 1.5
0.65
0.85 1 6 -6
8 15
*RoHS Directive 2002/95/EC Jan 27 2003 including Annex Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
Applications

Bi-directional EPP/ECP parallel port communications Personal computer peripherals with 1284 EPP/ECP interface Ideal for space-constrained designs
Thin Film On Silicon 2DTF 1284 Terminator/Filter with Integrated ESD Array
Mechanical Characteristics QSOP Package Dimensions
A .635 TYP. (.025) 3.81 - 3.99 (.150 - .157)
QSOP Package Power Temperature Derating Curve
1.25 WATTS 1.0 .75 .50 .25 0 25 50 75 100 125 150 AMBIENT TEMPERATURE ( C ) 2QSP24
Typical Part Marking
PIN 1
.21 - .31 (.008 - .012)
Represents total content. Layout may vary.
1.35 - 1.75 (.053 - .069)
PRODUCT FUNCTION PIN COUNT DTF 24Q YYWW PACKAGE STYLE
.10 - .25 (.004 - .010)
PIN 1 INDICATOR (MOLDED INDENT) MANUFACTURER'S TRADEMARK
DATE CODE
0-8
.19 - .25 (.007 - .010)
5.80 - 6.20 (.228 - .244)
.41 - 1.27 (.016 - .050)
Filter Response
0 -2 -4
Attenuation - dB
Model 2QSP24
A 8.56 - 8.74 (.337 - .344)
-6 -8 -10 -12 -14 -16 -18 -20 0.0001 0.001 0.01 0.1 1 10 100 1000
Governing dimensions are in mm. Dimensions in parentheses are in inches and are approximate. JEDEC Reference Number MO-137.
Frequency - MHz
Standard RC Values
R1 Value (ohms) 1K R2 Value (ohms) 33 C1 Value (pF) 180
Value Code V01
Part Number (Tape & Reel) 2DTF-V01M-Q24R
Part Number (Tubes) 2DTF-V01M-Q24T
Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.
Thin Film On Silicon 2DTF 1284 Terminator/Filter with Integrated ESD Array
Dispensing
For large quantities, the product will be dispensed in Tape and Reel (see diagram below).
A0
DIMENSIONS = MM (INCHES)
B0
K0
Package QSOP 24 Pin
A0 6.5 (0.256)
B0 9.0 (0.354)
K0 2.1 (0.083)
Width 16 (0.630)
Pitch 8 (0.315)
No. of Pieces No. of Pieces per 13 " reel per tube 3,500 56
How To Order
2 DTF-V01 M-Q 24 R __
Product Class Thin-Film-on-Silicon Product Function DTF = IEEE 1284 Terminator w/Integrated Diodes Value Code (Refer to Standard RC Value Table) Standard Grade R Tol. C Tol. M = 10 % 20 % Standard Package Style Q = QSOP Pin Count Q = 24 Dispensing R= Reel T = Tube
Terminations LF = 100 % Sn (lead free) Blank = Sn/Pb
Reliable Electronic Solutions
Asia-Pacific: Tel: +886-2 2562-4117 * Fax: +886-2 2562-4116 Europe: Tel: +41-41 768 5555 * Fax: +41-41 768 5510 The Americas: Tel: +1-951 781-5500 * Fax: +1-951 781-5700 www.bourns.com
04/05 Specifications are subject to change without notice. Customers should verify actual device performance in their specific applications.

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