INTEGRATED CIRCUITS DATA SHEET For a complete data sheet, please also download: • The IC04 LOCMOS HE4000B Logic Family Specifications HEF, HEC • The IC04 LOCMOS HE4000B Logic Package Outlines/Information HEF, HEC HEF4511B MSI BCD to 7-segment latch/decoder/driver Product specification File under Integrated Circuits, IC04 January 1995 Philips Semiconductors Product specification HEF4511B MSI BCD to 7-segment latch/decoder/driver When EL is LOW, the state of the segment outputs (Oa to Og) is determined by the data on DA to DD. When EL goes HIGH, the last data present on DA to DD are stored in the latches and the segment outputs remain stable. When LT is LOW, all the segment outputs are HIGH independent of all other input conditions. With LT HIGH, a LOW on BI forces all segment outputs LOW. The inputs LT and BI do not affect the latch circuit. DESCRIPTION The HEF4511B is a BCD to 7-segment latch/decoder/driver with four address inputs (DA to DD), an active LOW latch enable input (EL), an active LOW ripple blanking input (BI), an active LOW lamp test input (LT), and seven active HIGH n-p-n bipolar transistor segment outputs (Oa to Og). Fig.2 Pinning diagram. HEF4511BP(N): 16-lead DIL; plastic (SOT38-1) HEF4511BD(F): 16-lead DIL; ceramic (cerdip) (SOT74) HEF4511BT(D): 16-lead SO; plastic (SOT109-1) ( ): Package Designator North America Fig.1 Functional diagram. PINNING DA to DD address (data) inputs EL latch enable input (active LOW) BI ripple blanking input (active LOW) LT lamp test input (active LOW) Oa to Og segment outputs Fig.4 Segment designation. FAMILY DATA, IDD LIMITS category MSI See Family Specifications Fig.3 Schematic diagram of output stage. January 1995 2 This text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here in _white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader.This text is here inThis text is here in white to force landscape pages to be rotated correctly when browsing through the pdf in the Acrobat reader. white to force landscape pages to be ... Philips Semiconductors 3 BCD to 7-segment latch/decoder/driver January 1995 Product specification HEF4511B MSI Fig.5 Logic diagram; for one latch see Fig.6. Philips Semiconductors Product specification HEF4511B MSI BCD to 7-segment latch/decoder/driver Fig.6 Logic diagram (one latch); see also Fig.5. FUNCTION TABLE INPUTS LT DD OUTPUTS EL BI DC X X L X X X L H X X L H H L L L H H L L H H L L H H L H L L DB DA Oa Ob Oc Od Oe Of Og X X H H H H H H H 8 X X L L L L L L L blank L L H H H H H H L 0 L L H L H H L L L L 1 L H L H H L H H L H 2 L L H H H H H H L L H 3 H L H L L L H H L L H H 4 H H L H L H H L H H L H H 5 H H L H H L L L H H H H H 6 L H H L H H H H H H L L L L 7 L H H H L L L H H H H H H H 8 L H H H L L H H H H L L H H 9 L H H H L H L L L L L L L L blank L H H H L H H L L L L L L L blank L H H H H L L L L L L L L L blank L H H H H L H L L L L L L L blank L H H H H H L L L L L L L L blank L H H H H H H L L L L L L L blank H H H X X X X * Note 1. H = HIGH state (the more positive voltage) L = LOW state (the less positive voltage) X = state is immaterial * Depends upon the BCD code applied during the LOW to HIGH transition of EL. January 1995 4 DISPLAY * Philips Semiconductors Product specification HEF4511B MSI BCD to 7-segment latch/decoder/driver Fig.7 Display. RATINGS Limiting values in accordance with the Absolute Maximum System (IEC 134). −IOH Output (source) current HIGH max. 25 mA For other RATINGS see Family Specifications. Note 1. A destructive high current mode may occur if VI and VO are not constrained to the range VSS ≤ VI or VO ≤ VDD. January 1995 5 Philips Semiconductors Product specification HEF4511B MSI BCD to 7-segment latch/decoder/driver DC CHARACTERISTICS VSS = 0 V Tamb (°C) HEF VDD V IOH mA −40 SYMBOL MIN. Output voltage HIGH Output voltage HIGH Output voltage HIGH Output voltage HIGH Output voltage HIGH Output voltage HIGH January 1995 5 0 10 0 15 0 5 5 10 5 15 5 5 10 10 10 15 10 5 15 10 15 15 15 5 20 10 20 15 20 5 25 10 25 15 25 4,10 VOH MAX. + 25 MIN. 4,10 4,40 MIN. 4,10 MAX. V 9,10 9,10 9,40 9,10 V 14,10 14,40 14,10 V 3,60 3,60 4,20 V 9,20 V 14,20 V 4,05 3,30 V 8,75 8,75 9,10 8,45 V 13,75 13,75 14,10 13,45 V VOH VOH TYP. 14,10 VOH VOH + 85 4,00 V 9,00 V 14,00 V 2,80 2,80 3,80 2,50 V 8,10 8,10 9,00 7,80 V 13,10 13,10 14,00 12,80 VOH 6 V 3,70 V 8,90 V 14,00 V Philips Semiconductors Product specification HEF4511B MSI BCD to 7-segment latch/decoder/driver Tamb (°C) HEC VDD V IOH mA −55 SYMBOL MIN. Output voltage HIGH Output voltage HIGH Output voltage HIGH Output voltage HIGH Output voltage HIGH Output voltage HIGH 5 0 10 0 15 0 5 5 10 5 15 5 5 10 10 10 15 10 5 15 10 15 15 15 5 20 10 20 15 20 5 25 10 25 15 25 VOH MAX. + 25 MIN. MIN. 4,40 4,10 V 9,10 9,10 9,90 9,10 V 14,10 14,10 14,40 14,40 V 9,30 V 14,30 V 3,60 3,60 4,25 3,20 V 8,75 8,75 9,25 8,35 V 13,75 13,75 14,25 13,35 V 4,20 V 9,20 V 14,20 V 2,80 2,80 4,20 2,30 V 8,10 8,10 9,20 7,60 V 13,10 13,10 14,20 12,60 V VOH 4,15 V 9,20 V 14,20 V TYPICAL FORMULA FOR P (µW) 5 1 000 fi + ∑ (foCL) × VDD2 where dissipation per 10 4 000 fi + ∑ (foCL) × VDD fi = input freq. (MHz) package (P) 15 10 000 fi + ∑ (foCL) × VDD2 Dynamic power 2 fo = output freq. (MHz) CL = load capacitance (pF) ∑ (foCL) = sum of outputs VDD = supply voltage (V) January 1995 V 4,30 AC CHARACTERISTICS VSS = 0 V; Tamb = 25 °C; input transition times ≤ 20 ns VDD V MAX. 4,10 VOH VOH TYP. 4,10 VOH VOH + 125 7 Philips Semiconductors Product specification HEF4511B MSI BCD to 7-segment latch/decoder/driver AC CHARACTERISTICS VSS = 0 V; Tamb = 25 °C; CL = 50 pF; input transition times ≤ 20 ns VDD V SYMBOL MIN. TYP. MAX. TYPICAL EXTRAPOLATION FORMULA Propagation delays Dn → On HIGH to LOW 5 10 tPHL 15 5 LOW to HIGH 10 tPLH 15 EL → On HIGH to LOW 5 10 tPHL 15 5 LOW to HIGH 10 tPLH 15 BI → On HIGH to LOW BI → On LOW to HIGH LT → On HIGH to LOW LOW to HIGH Output transition times HIGH to LOW LOW to HIGH 310 ns 128 ns + (0,55 ns/pF) CL 60 120 ns 49 ns + (0,23 ns/pF) CL 40 80 ns 32 ns + (0,16 ns/pF) CL 135 270 ns 108 ns + (0,55 ns/pF) CL 55 110 ns 44 ns + (0,23 ns/pF) CL 40 80 ns 32 ns + (0,16 ns/pF) CL 160 320 ns 133 ns + (0,55 ns/pF) CL 60 120 ns 49 ns + (0,23 ns/pF) CL 45 90 ns 37 ns + (0,16 ns/pF) CL 160 320 ns 133 ns + (0,55 ns/pF) CL 70 140 ns 59 ns + (0,23 ns/pF) CL 50 100 ns 42 ns + (0,16 ns/pF) CL 120 240 ns 93 ns + (0,55 ns/pF) CL 50 100 ns 39 ns + (0,23 ns/pF) CL 15 35 70 ns 27 ns + (0,16 ns/pF) CL 5 105 210 ns 78 ns + (0,55 ns/pF) CL 5 10 tPHL 40 80 ns 29 ns + (0,23 ns/pF) CL 15 30 60 ns 22 ns + (0,16 ns/pF) CL 5 80 160 ns 52 ns + (0,55 ns/pF) CL 10 tPLH 30 60 ns 19 ns + (0,23 ns/pF) CL 15 20 40 ns 12 ns + (0,16 ns/pF) CL 5 60 120 ns 33 ns + (0,55 ns/pF) CL 10 tPHL 30 60 ns 19 ns + (0,23 ns/pF) CL 15 25 50 ns 17 ns + (0,16 ns/pF) CL 5 60 120 ns 10 ns + (1,0 ns/pF) CL 10 tPLH 30 60 ns 9 ns + (0,42 ns/pF) CL 15 20 40 ns 6 ns + (0,28 ns/pF) CL 5 25 50 ns 20 ns + (1,0 na/pF) CL 16 32 ns 13 ns + (0,06 ns/pF) CL 13 26 ns 10 ns + (0,06 ns/pF) CL 10 10 tTHL tTLH 15 January 1995 155 8 Philips Semiconductors Product specification HEF4511B MSI BCD to 7-segment latch/decoder/driver VDD V Minimum EL SYMBOL 5 pulse width; LOW 10 tWELL MIN. TYP. TYPICAL EXTRAPOLATION FORMULA MAX. 80 40 ns 40 20 ns 15 35 17 ns Set-up time 5 50 25 ns Dn → EL 10 25 12 ns 15 20 9 ns 5 60 30 ns 30 15 ns 25 12 ns Hold-time Dn → EL 10 15 tsu thold see also waveforms Fig.8 Conditions: DD = LOW DA = DB = BI = LT = HIGH Fig.8 Waveforms showing minimum EL pulse width, set-up and hold time for DC to EL. January 1995 9 Philips Semiconductors Product specification BCD to 7-segment latch/decoder/driver APPLICATION INFORMATION Some examples of applications for the HEF4511B are: • Driving LED displays. • Driving incandescent displays. • Driving fluorescent displays. • Driving LCD displays. • Driving gas discharge displays. Fig.9 Connection to common cathode LED display readout. Fig.10 Connection to common anode LED display readout. January 1995 10 HEF4511B MSI Philips Semiconductors Product specification BCD to 7-segment latch/decoder/driver HEF4511B MSI (1) A filament pre-warm resistor is recommended to reduce filament thermal shock and increase the effective cold resistance of the filament. Fig.11 Connection to incandescent display readout. Fig.12 Connection to fluorescent display readout. Fig.13 Connection to gas discharge display readout. Fig.14 Connection to liquid crystal (LCD) display readout. Direct d.c. drive of LCDs not recommended for life of LCD readouts. January 1995 11