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MC14511BD bảng dữ liệu(PDF) 1 Page - Motorola, Inc |
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MC14511BD bảng dữ liệu(HTML) 1 Page - Motorola, Inc |
1 / 9 page MOTOROLA CMOS LOGIC DATA 361 MC14511B BCD-To-Seven Segment Latch/Decoder/Driver The MC14511B BCD–to–seven segment latch/decoder/driver is constructed with complementary MOS (CMOS) enhancement mode devices and NPN bipolar output drivers in a single monolithic structure. The circuit provides the functions of a 4–bit storage latch, an 8421 BCD–to–seven segment decoder, and an output drive capability. Lamp test (LT), blanking (BI), and latch enable (LE) inputs are used to test the display, to turn–off or pulse modulate the brightness of the display, and to store a BCD code, respectively. It can be used with seven–segment light–emitting diodes (LED), incandescent, fluorescent, gas discharge, or liquid crystal readouts either directly or indirectly. Applications include instrument (e.g., counter, DVM, etc.) display driver, computer/calculator display driver, cockpit display driver, and various clock, watch, and timer uses. • Low Logic Circuit Power Dissipation • High–Current Sourcing Outputs (Up to 25 mA) • Latch Storage of Code • Blanking Input • Lamp Test Provision • Readout Blanking on all Illegal Input Combinations • Lamp Intensity Modulation Capability • Time Share (Multiplexing) Facility • Supply Voltage Range = 3.0 V to 18 V • Capable of Driving Two Low–power TTL Loads, One Low–power Schottky TTL Load or Two HTL Loads Over the Rated Temperature Range • Chip Complexity: 216 FETs or 54 Equivalent Gates • Triple Diode Protection on all Inputs MAXIMUM RATINGS* (Voltages Referenced to VSS) Rating Symbol Value Unit DC Supply Voltage VDD – 0.5 to + 18 V Input Voltage, All Inputs Vin – 0.5 to VDD + 0.5 V DC Current Drain per Input Pin I 10 mA Operating Temperature Range TA – 55 to + 125 _C Power Dissipation per Package† PD 500 mW Storage Temperature Range Tstg – 65 to + 150 _C Maximum Output Drive Current (Source) per Output IOHmax 25 mA Maximum Continuous Output Power (Source) per Output ‡ POHmax 50 mW ‡POHmax = IOH (VDD – VOH) * Maximum Ratings are those values beyond which damage to the device may occur. †Temperature Derating: Plastic “P and D/DW” Packages: – 7.0 mW/ _C From 65_C To 125_C Ceramic “L” Packages: – 12 mW/ _C From 100_C To 125_C MOTOROLA SEMICONDUCTOR TECHNICAL DATA © Motorola, Inc. 1995 REV 3 1/94 MC14511B L SUFFIX CERAMIC CASE 620 ORDERING INFORMATION MC14XXXBCP Plastic MC14XXXBCL Ceramic MC14XXXBDW SOIC MC14XXXBD SOIC TA = – 55° to 125°C for all packages. P SUFFIX PLASTIC CASE 648 D SUFFIX SOIC CASE 751B PIN ASSIGNMENT DW SUFFIX SOIC CASE 751G 13 14 15 16 9 10 11 12 5 4 3 2 1 8 7 6 b a g f VDD e d c BI LT C B VSS A D LE 0 1 2 3 4 5 6 7 8 9 DISPLAY a b c d e f g Inputs Outputs LE BI LT D C B A a b c d e f g Display X X 0 X X X X 1 1 1 1 1 1 1 8 X 0 1 X X X X 0 0 0 0 0 0 0 Blank 0 1 1 0 0 0 0 1 1 1 1 1 1 0 0 0 1 1 0 0 0 1 0 1 1 0 0 0 0 1 0 1 1 0 0 1 1 1 1 1 1 0 0 1 2 0 1 1 0 0 1 1 1 1 1 1 0 0 1 3 0 1 1 0 1 0 0 0 1 1 0 0 1 1 4 0 1 1 0 1 0 1 1 0 1 1 0 1 1 5 0 1 1 0 1 1 0 0 0 1 1 1 1 1 6 0 1 1 0 1 1 1 1 1 1 0 0 0 0 7 0 1 1 1 0 0 0 1 1 1 1 1 1 1 8 0 1 1 1 0 0 1 1 1 1 0 0 1 1 9 0 1 1 1 0 1 0 0 0 0 0 0 0 0 Blank 0 1 1 1 0 1 1 0 0 0 0 0 0 0 Blank 0 1 1 1 1 0 0 0 0 0 0 0 0 0 Blank 0 1 1 1 1 0 1 0 0 0 0 0 0 0 Blank 0 1 1 1 1 1 0 0 0 0 0 0 0 0 Blank 0 1 1 1 1 1 1 0 0 0 0 0 0 0 Blank 1 1 1 X X X X * * X = Don’t Care * Depends upon the BCD code previously applied when LE = 0 TRUTH TABLE |
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