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SDN8080G Dataheets PDF



Part Number SDN8080G
Manufacturers Advanced Semiconductor
Logo Advanced Semiconductor
Description 80 COM/SEG Driver
Datasheet SDN8080G DatasheetSDN8080G Datasheet (PDF)

DATA SHEET www.DataSheet4U.com SDN8080G 80-outputs common/segment driver To improve design and/or performance, Avant Electronics may make changes to its products. Please contact Avant Electronics for the latest versions of its products data sheet (v6) 2005 Sep 29 Avant Electronics SDN8080G 80-outputs common/segment driver 1 1.1 GENERAL Description The SDN8080G is a COMMON/SEGMEMT driver for large-panel dot-matrix STN LCD module. It can be used either as a COMMON driver or as a SEGMENT .

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DATA SHEET www.DataSheet4U.com SDN8080G 80-outputs common/segment driver To improve design and/or performance, Avant Electronics may make changes to its products. Please contact Avant Electronics for the latest versions of its products data sheet (v6) 2005 Sep 29 Avant Electronics SDN8080G 80-outputs common/segment driver 1 1.1 GENERAL Description The SDN8080G is a COMMON/SEGMEMT driver for large-panel dot-matrix STN LCD module. It can be used either as a COMMON driver or as a SEGMENT driver, by connecting its CS input to VDD or VSS. When its CS input is connected to VDD, the SDN8080G is an 80-COMMON driver. When its CS input is connected to VSS, the SDN8080G is an 80-SEGMENT driver. 1.2 Features • Operating voltage range (VDD-VSS, control logic): 2.7 ~ 5.5 volts. • LCD bias voltage range (VDD-VEE): 6 ~ 28 volts. • 80-SEGMENT driver or 80-COMMON driver, via CS-pin selection. • When used as a SEGMENT driver, 4-bit parallel or 1-bit serial interface with a controller. • When used as a COMMON driver, two modes of operation are available: Single mode or Dual mode. www.DataSheet4U.com • Display duty cycle: 1/64 ~ 1/256. • LCD on/off control, when used as SEGMENT driver. • External 4-level LCD bias voltage. • Operating frequency range: 8 MHz, when VDD= 5 volts. • Operating temperature range: -30 to +85 °C. • Storage temperature range: -55 to +150 °C. 2005 Sep 29 2 of 40 data sheet (v6) Avant Electronics SDN8080G 80-outputs common/segment driver 2 ORDERING INFORMATION Ordering information TYPE NUMBER DESCRIPTION LQFP100 Pb-free package. QFP100 Pb-free package. LQFP100 general package. QFP100 general package. Tested die. Table 1 SDN8080G-LQFPG SDN8080G-QFPG SDN8080G-LQFP SDN8080G-QFP SDN8080G-D www.DataSheet4U.com 2005 Sep 29 3 of 40 data sheet (v6) Avant Electronics SDN8080G 80-outputs common/segment driver 3 3.1 FUNCTIONAL BLOCK DIAGRAM AND DESCRIPTION Functional block diagram SC78 SC79 V0 V12 V43 V5 80-bit 4-level driver - - - - - - - - - - High-voltage area VEE www.DataSheet4U.com 80-bit level shifter Output voltage level - - - - - - - - - - 80-bit data latch / bi-directional shift register for COMMON data - - - - - - - - - - 20 x 4-bit (or 80 x 1-bit) bi-directional shift register for SEGMENT data D1_SID D2_DL D3_DM D4_DR M DISPOFFB LCK SCK CL1 CL2 Data Latch Control Clock Control Power down function ERB VDD VSS CS AMS ELB Fig.1 Functional diagram 2005 Sep 29 4 of 40 SC80 SC1 SC2 SC3 data sheet (v6) Avant Electronics SDN8080G 80-outputs common/segment driver 3.2 Block description Block description NAME COM/SEG COM/SEG DESCRIPTION Inputs to this block are external signals CL1, CL2, CS, and AMS. It generates latch clock (LCK) and shift clock (SCK). SCK is used to shift display data into the 20 x 4-bit bi-directional shift register for SEGMENT data. This block controls shift direction of the 20 x 4-bit shift register and selects its input data pins. In COMMON driver application, this block is disable.


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