mc14489b Freescale Semiconductor, Inc, mc14489b Datasheet

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mc14489b

Manufacturer Part Number
mc14489b
Description
Multy-character Led Display/lamp Driver
Manufacturer
Freescale Semiconductor, Inc
Datasheet

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mc14489b Summary of contents

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... T L Lead Temperature from Case for 10 Seconds * Maximum Ratings are those values beyond which damage to the device may occur. Functional operation should be restricted to the limits in the Electrical Characteristics tables or Pin Descriptions section. MC14489B 2 BLOCK DIAGRAM D 24–1/2–STAGE SHIFT REGISTER ...

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... Leakage) I out = 0 to 200 mA 5.0 Device in Low–Power Mode, 5.5 100 Place, Outputs Open Same as Above 5.5 Device NOT in Low–Power 5.5 Mode Outputs Open Unit V 3.0 V 0.9 V 1.65 2.1 V 3.85 0.2 V 0.4 0.1 V 0.1 0.4 V 2.9 5.4 4.1 A 2.0 0.1 0 1.5 mA MC14489B 3 ...

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... This restriction does NOT apply for f clk rates less than those listed above. For “slow” f clk rates, use the t h limits in the above table. 2. This restriction does NOT apply for an access involving more than 8 Clocks. For > 8 Clocks, use the t h limits in the above table. MC14489B – ...

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... V SS BANK 50% OUTPUT ENABLE 50 CLOCK 50% FIRST V SS CLOCK * * Includes all probe and fixture capacitance. 1/f R Figure ( ( rec V DD LAST V SS CLOCK Figure TEST POINT 56 DEVICE UNDER * C L TEST Figure 6. MC14489B 5 ...

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... Data Out on the high–to–low transition of Clock. This output connect, unless used in one of the man- ners discussed below. When cascading MC14489B’s, Data Out feeds Data In of the next device per Figures 10, 11, 12, 13, and 14. Data Out could be fed back to an MCU/MPU to perform a wrap– ...

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... In the low–power mode, the current mir- ror and clock oscillator are turned off, thus significantly reduc- ing the V DD current SUPPLY BIT D23 = HIGH (BRIGHTEN LEDs) WITH D23 = LOW CUT BY 50%. 800 1.2 k 1.6 k 2.0 k 2.4 k 2.8 k 3.2 k Rx, EXTERNAL RESISTOR ( ) 15%. 3.6 k 4.0 k MC14489B 7 ...

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... OPTIONAL DATA OUT CMOS DATA IN MCU/MPU CLOCK ENABLE Figure 9. Non–Cascaded Application Example: 5 Character Common Cathode LED Display with Two Intensities as Controlled via Serial Port MC14489B 10 APPLICATIONS INFORMATION a MC14489B BANK 5 BANK 4 BANK 3 BANK 2 BANK 1 ...

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... CMOS MCU/MPU NOTE: R1 limits the maximum current to avoid damaging the display and/or the MC14489B due to overheating. See the Thermal Considerations section. An 1/8 watt resistor may be used for R1 potentiometer ( 1/8 watt). R2 may be a light–sensitive resistor. ...

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... USE TO DRIVE LAMP OR MINUS SIGN NOTE: A Universal Overflow pins out all anodes and cathodes. MOTOROLA UNIVERSAL OVERFLOW 5–DIGIT DISPLAY (“1” OR “HALF–DIGIT” BANK OUTPUTS MC14489B 3 INPUT LINES Figure 16. Driving 5 1/2 Digits MC14489B 17 ...

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... CMOS MCU/MPU * If required, this group of lamps can be independently controlled. To accomplish independent control, only connect lamps to BANK 1 and BANK 2 for output h (two lamps). Then, use bits D20, D21, and D22 for control of these two lamps. MC14489B 18 Figure 17. 25–Lamp Application THESE LAMPS ...

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... MOTOROLA BANK 1 BANK 5 TO BANK 4 MC14489B 3 CMOS MCU/MPU or 4–1/2–Digit Display Plus Sign MUXED 5–DIGIT MONOLITHIC DISPLAY (CLUSTER) HEWLETT–PACKARD 5082–7415 OR EQUIVALENT MC14489B 3 INPUT LINES MC14489B 19 ...

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... which extends chip life, a heat sink such as shown in Figure 20 can be used in high–current applications. Alter- (2) natively, heat–spreader techniques can be used on the PC board, such as running a wide trace under the MC14489B and (3) using thermal paste. Wide, radial traces from the MC14489B leads also act as heat spreaders. ...

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... TOTAL IN EXCESS OF D DIMENSION AT MAXIMUM MATERIAL CONDITION. MILLIMETERS INCHES DIM MIN MAX MIN MAX A 12.65 12.95 0.499 0.510 B 7.40 7.60 0.292 0.299 C 2.35 2.65 0.093 0.104 D 0.35 0.49 0.014 0.019 F 0.50 0.90 0.020 0.035 G 1.27 BSC 0.050 BSC J 0.25 0.32 0.010 0.012 K 0.10 0.25 0.004 0.009 10.05 10.55 0.395 0.415 R 0.25 0.75 0.010 0.029 MC14489B 21 ...

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... Motorola, Inc. Motorola, Inc Equal Mfax is a trademark of Motorola, Inc. JAPAN: Nippon Motorola Ltd.; SPD, Strategic Planning Office, 141, 4–32–1 Nishi–Gotanda, Shinagawa–ku, Tokyo, Japan. 81–3–5487–8488 ASIA/PACIFIC: Motorola Semiconductors H.K. Ltd.; Silicon Harbor Center, MC14489B A ...

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