P-tec Corp. Tel:(800)688-0613 2405 Commerce Circle Tel:(719) 589 3122 Alamosa Co. 81101 Fax:(719) 589 3592 www.p-tec.net [email protected] PA50 Series Dual Digit Alphanumeric Intelligent Display 0.54” Absolute Maximum Ratings at TA = 25°C Features *Built-in Driver 5450 MOS *IC with Series Data Input, 35 Bit Shift Register, 34 LED Driver Output and Brightness Control *Hi-Eff GaAsP Red chips used *Red Face, Red Segments *RoHS Compliant Power Dissipation per Segment…………………………………………………… 78mW Forward Current………………………………………………………………….... 30mA Operating Temperature Range…………………………………......…..… -25°C to +85°C Storage Temperature Range………………………………....…....….… -40°C to +100°C Soldering Temperature (1.6mm below body)……………………....…… 260°C for 5 seconds Electrical & Optical Characteristics at TA = 25 °C Emitting Color Part Number PA50-IMDR12 Chip Material Orange-Red Parameter GaAsP Test Condition Supply Voltage Dominant Wave Length Peak Wave Length nm nm Typ Max Min Typ 626 635 2.1 2.6 3.0 6.0 Min Forward Voltage @20mA (V) Typ 4.75 Supply Current Excluding Output Loads Input Clock Frequency Input Voltage Logical “0” Level Logical ”1” Level ±10µA Input Bias 4.75V < VDD < 5.25V VDD > 5.25V -0.3 2.2 VDD –2 Output Sink Current Segment Off Segment on Brightness Input (IB) = 0µA Brightness Input (IB) </= 0µA 0 2.5 Serial Data Input Sequence 2/A 2/B 2/C 2/D 2/E 2/F 2/G1 2/G2 2/H 2/I 2/J 2/K 13 14 15 16 17 18 19 20 21 22 23 2/L 2/M 1/A 1/B 1/C 1/D 1/E 1/F 1/G1 1/G2 1/H Max Unit 5.0 V 7.0 mA 500 KHz 0.8 VDD VDD V 10 µA mA 3.5 V 10 LED Supply Voltage 1 2 3 4 5 6 7 8 9 10 11 12 Luminous Intensity @10mA (mcd) Pin Functions 24 25 26 27 28 29 30 31 32 33 34 1/I 1/J 1/K 1/L 1/M 1/DP 2/DP Pin 17 Pin 1 Pin 2 Pin 3 1 2 3 4 5 6 7 8 9 10 11 Bit 32 Output Bit 33 Output Bit 34 Output Data Input Clock Input Data Enable VDD VLED Brightness Control No Pin No Pin 12 13 14 15 16 17 18 No Pin VSS VSS No Pin No Pin Bit 31 Output No Pin 11-20-07 Rev 0 RS P-tec Corp. 2405 Commerce Circle Alamosa Co. 81101 Tel:(800)688-0613 Tel:(719) 589 3122 www.p-tec.net PA50 Dual Digit Alphanumeric Intelligent Display 0.54” 5.0° 12.7 +18 7.7 0.5 10+ A F H B J I 1.0 13.72 G1 M E L K D 15.24 21.2 G2 C DP DP Digit 2 Digit 1 9+ +1 Ø1.6 8.1 25.2 3.5Min. 2.54x8=20.32 VDD Clock VLED To External LED Data Brightness Control 300 nS Min. 100K Ohm 1nF Serial Data Data Enable Data Enable LED Display 100 nS Min. 35 Output Buffers Load 35 Latches 1 32 Bit Shift Registers Start Bit 1 Clock Reset 36 37 Clock Bit 35 Bit 36 Data Load (Internal) Reset (Internal) 11-20-07 Rev 0 RS