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LC75834JE Dataheets PDF



Part Number LC75834JE
Manufacturers Sanyo Semicon Device
Logo Sanyo Semicon Device
Description 1/4 Duty General-Purpose LCD Drivers
Datasheet LC75834JE DatasheetLC75834JE Datasheet (PDF)

Ordering number : EN5597 CMOS LSI LC75834E, 75834W, 75834JE 1/4 Duty General-Purpose LCD Drivers Overview The LC75834E, LC75834W, and LC75834JE are 1/4-duty general-purpose LCD drivers that can be used for frequency display in electronic tuners under the control of a microcontroller. The LC75834E and LC75834W can drive an LCD with up to 136 segments directly, the LC75834JE can drive an LCD with up to 120 segments directly. The LC75834E and LC75834W and LC75834JE can also control up to 8 gener.

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Ordering number : EN5597 CMOS LSI LC75834E, 75834W, 75834JE 1/4 Duty General-Purpose LCD Drivers Overview The LC75834E, LC75834W, and LC75834JE are 1/4-duty general-purpose LCD drivers that can be used for frequency display in electronic tuners under the control of a microcontroller. The LC75834E and LC75834W can drive an LCD with up to 136 segments directly, the LC75834JE can drive an LCD with up to 120 segments directly. The LC75834E and LC75834W and LC75834JE can also control up to 8 general-purpose output ports. Since the LC75834E, LC75834W, and LC75834JE use separate power supply systems for the LCD drive block and the logic block, the LCD driver block power-supply voltage can be set to any voltage in the range 2.7 to 6.0 volts, regardless of the logic block power-supply voltage. Package Dimensions unit: mm 3156-QFP48E [LC75834E] SANYO: QFP48E Features • Supports both 1/4 duty 1/2 bias and 1/4 duty 1/3 bias LCD drive under serial data control. LC75834E, LC75834W: up to 136 segments LC75834JE: up to 120 segments (without the S9, S18, S27, S34 segment output pins from the LC75834E, LC75834W) • Serial data input supports CCB* format communication with the system controller. • Serial data control of the power-saving mode based backup function and all the segments forced off function • Serial data control of switching between the segment output port and the general-purpose output port functions • High generality, since display data is displayed directly without decoder intervention. • Independent VLCD for the LCD driver block (VLCD can be set to any voltage in the range 2.7 to 6.0 volts, regardless of the logic block power-supply voltage.) • The INH pin can force the display to the off state. • RC oscillator circuit unit: mm 3163A-SQFP48 [LC75834W] SANYO: SQFP48 unit: mm 3148-QFP44MA [LC75834JE] • CCB is a trademark of SANYO ELECTRIC CO., LTD. • CCB is a SANYO’s original bus format and all the bus addresses are controlled by SANYO. SANYO: QIP44MA SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN 63097HA (OT) No. 5597-1/18 LC75834E, 75834W, 75834JE Specifications Absolute Maximum Ratings at Ta = 25°C, VSS = 0 V Parameter Maximum supply voltage Symbol VDD max VLCD max VIN 1 Input voltage VIN 2 VIN 3 Output voltage VOUT 1 VOUT 2 IOUT 1 Output current IOUT 2 IOUT 3 Allowable power dissipation Operating temperature Storage temperature Pd max Topr Tstg VDD VLCD CE, CL, DI, INH OSC VLCD 1, VLCD 2 OSC S1 to S34, COM1 to COM4, P1 to P8 S1 to S34 COM1 to COM4 P1 to P8 Ta = 85°C Conditions Ratings –0.3 to +7.0 –0.3 to +7.0 –0.3 to +7.0 –0.3 to VDD + 0.3 –0.3 to VLCD + 0.3 –0.3 to VDD + 0.3 –0.3 to VLCD + 0.3 300 3 5 150 –40 to +85 –55 to +125 Unit V V V V V V V µA mA mA mW °C °C Note: The LC75834JE do not have the S9, S18, S27 S34 output pins. Allowable Operating Ranges at Ta = –40 to +85°C, VSS = 0 V Ratings Parameter Supply voltage Symbol VDD VLCD VLCD1 VL.


LC75834E LC75834JE LC75834W


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