LC4608C Printer Head Driver Overview LC4608C driver ink

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LC4608C Printer Head Driver Overview LC4608C driver ink

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Ordering number EN5782
LC4608C
Printer Head Driver
Overview
LC4608C driver ink-jet printer heads with 64bit output. converts 4-bit parallel input into 16-step gray scale output regulating transmission gate's output time.
16-step gray scale output from 4-bit parallel input Built-in 2-channel transmission gate output Transmission gate resistance (typ.) (max) CMOS process with high withstand voltage
Features
This 64-bit CMOS driver with 16-step gray scale output high withstand voltage offers following features. Built-in 4-bit static shift register Built-in 4-bit static latch
Specifications
Maximum Ratings
Parameter Supply voltage (logic) Supply voltage (high withstand voltage circuits) Driver output breakdown voltage Driver output current Input current Input voltage (logic) Input voltage (COM, output) Operating temperature Storage temperature Junction temperature Symbol BVDO VIN1 VIN2 Topr Tstg Peak value within allowable operating range Conditions Ratings -0.5 +7.0 -0.5 -0.5 ±400 -0.5 +0.5 -0.5 +0.5 +150 +125 Unit
Allowable Operating Ranges V±10%, Topr +90°C unless otherwise specified
Parameter Symbol fclk twCLK twLAT Conditions Ratings 24.0 40.0 Unit
Supply voltage
Input voltage Output current Clock frequency Data setup time Data hold time Latch setup time Clock pulse width Latch pulse width
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SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN
33198RM (OT) 5782-1/11
LC4608C
Continued from preceding page.
Parameter STBCLK frequency LOAD setup time LOAD hold time LOAD pulse width STBCLK LOAD setup time LOAD STBCLK hold time Clock rising edge time Clock falling edge time Latch rising edge time Latch falling edge time Operating temperature Symbol fSTB tSTBL tLSTB Tjopr -1.0 Conditions Ratings Unit
Note figures normal operation load capacitance Cpzt power supply voltage input level COMmax Value COMmax frequency kHz, duty factor 1/100.
Electrical Characteristics Characteristics V±10%, Tjopr +90°C unless otherwise specified
Parameter Input high-level voltage Input low-level voltage Input high-level current Input low-level current Output high- level voltage Output low-level voltage Output high-level current transmission gate voltage Output low-level current transmission gate voltage Transmission gate resistance Symbol -IIH1 -IIH2 VOHT VOLT -400 COMn IOHT COMn -IOHT Within chip (MAX MIN) GND, fclk MHz, fSln 1.75 Leakage current between pins 39.4 Conditions Ratings -0.3 +0.3 Unit
Transmission gate resistance variation
Current drain Leakage current between pins Output leakage current
IDD1 ±INL ILEAK
Note sign negative incoming current positive outgoing current. -IIH1 applies following input pins: SI3, CLK, LAT, LOAD, STBCLK, STB1 STB3. -IIH applies following input pins: STB4 STB5. IIL1 applies following input pins: SI3, CLK, LAT, LOAD, STBCLK, STB1 STB5.
Switching Characteristics V±10%, Tjopr +90°C unless otherwise specified
Parameter output rising edge time input rising edge time STBn propagation delay time propagation delay time Symbol tdor tdof tsor tsof Conditions Ratings Unit
Note figures load capacitance Cpzt power supply voltage measured with COMn
5782-2/11
LC4608C Timing Chart
Timing Chart
Timing Chart
5782-3/11
LC4608C Timing Chart
Usage Note power power sequences must following orders. Power sequence: input circuits COMn Power sequence: COMn input circuits Block Diagram
Level shift circuit
Gray scale control logic 4-bit counter
4-bit latche
4-bit shift register
5782-4/11
LC4608C Layout Diagram
Chip size 2.67 9.48 Output
dimensions WSM, WSC, WJP, Input (min)
dimensions WSM, WSC, WJP,
5782-5/11
LC4608C Signal sequence
Valid data
Invalid data
Valid data
Invalid data
Valid data
5782-6/11
LC4608C Functions
Name STB1, Shift register clock input Shift register serial data input. least significant gray scale data; SI3, most significant bit. Parallel output latch input. high level input converts serial data parallel data; level latches data. 3-phase selector inputs. high level input turns corresponding output. STB1 controls output bits DO1, DO4, DO7, DO10,. DO62. STB2 controls output bits DO2, DO5, DO8, DO11,. DO63. STB3 controls output bits DO3, DO6, DO9, DO12,. DO64. 2-phase selector inputs with pull-down register. high level input turns corresponding output. STB4 controls bits: DO1, DO3, DO5,. DO63. STB5 controls even bits: DO2, DO4, DO6,. DO64. External clock signal input gray scale signal generator Reset input 4-bit counter. level input resets counter "0." Scan voltage signal input, latched when shift register pairs Scan voltage signal input, latched when shift register pairs Scan voltage signal input, latched when shift register pairs Scan voltage signal input, latched when shift register pairs Shift register serial data output. least significant gray scale data; SO3, most significant bit. Parallel data output. Transmission gate output. Power supply logic circuits Ground logic level conversion circuits Power supply level conversion circuits Function Count
STB4, STBCLK LOAD COM1 COM2 COM3 COM4 DO64
5782-7/11
LC4608C Circuits Logic circuit inputs Pins: SI3, CLK, LAT, STB1 STB3, STBCLK, LOAD pull-down resistor only available STB4 STB5.
Logic circuit outputs Pins:
outputs
5782-8/11
LC4608C Gray Scale Timing Chart
Level
Level
Level
Level
Level
Level
Level
Level
Level
Level
Level
Level
Level
Level
Level
Level rising edge synchronized with STBCLK falling edge.
5782-9/11
LC4608C Coordinates
Name DO10 DO11 DO12 DO13 DO14 DO15 DO16 DO17 DO18 DO19 DO20 DO21 DO22 DO23 DO24 DO25 DO26 DO27 DO28 DO29 DO30 DO31 DO32 DO33 DO34 DO35 DO36 DO37 DO38 DO39 DO40 DO41 DO42 DO43 DO44 DO45 DO46 DO47 DO48 DO49 x-Coordinate -4410.0 -4270.0 -4130.0 -3990.0 -3850.0 -3710.0 -3570.0 -3430.0 -3290.0 -3150.0 -3010.0 -2870.0 -2730.0 -2590.0 -2450.0 -2310.0 -2170.0 -2030.0 -1890.0 -1750.0 -1610.0 -1470.0 -1330.0 -1190.0 -1050.0 -910.0 -770.0 -630.0 -490.0 -350.0 -210.0 -70.0 70.0 210.0 350.0 490.0 630.0 770.0 910.0 1050.0 1190.0 1330.0 1470.0 1610.0 1750.0 1890.0 2030.0 2170.0 2310.0 y-Coordinate 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 Name DO50 DO51 DO52 DO53 DO54 DO55 DO56 DO57 DO58 DO59 DO60 DO61 DO62 DO63 DO64 COM1 COM2 COM3 COM4 STB5 STB4 STB3 STB2 STB1 STBCLK LOAD COM4 COM3 COM2 COM1 x-Coordinate 2450.0 2590.0 2730.0 2870.0 3010.0 3150.0 3290.0 3430.0 3570.0 3710.0 3850.0 3990.0 4130.0 4270.0 4410.0 -4567.0 -4367.0 -4167.0 -3967.0 -3730.0 -3457.8 -3255.8 -3019.8 -2755.8 -2519.8 -2215.8 -1993.4 -1791.4 -1555.4 -1291.4 -1055.4 802.4 1038.4 1302.4 1538.4 1802.4 1990.4 2212.8 2516.8 2752.8 3016.8 3252.8 3454.8 3727.8 3967.8 4167.0 4367.0 4567.0 y-Coordinate 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0 -1162.0
Note: coordinate system places origin chip center, output pads across top, input pads across bottom.
5782-10/11
LC4608C Note COMn Input (Example: input data 0100)
Delay inverter causes both switches turn simultaneously.
Because chip turns output analog switches pairs using timing shown above, make sure that there potential differences between pairs COM1-COM2 COM3-COM4.
products described contained herein intended surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment like, failure which directly indirectly cause injury, death property loss. Anyone purchasing products described contained herein above-mentioned shall: Accept full responsibility indemnify defend SANYO ELECTRIC CO., LTD., affiliates, subsidiaries distributors their officers employees, jointly severally, against claims litigation damages, cost expenses associated with such use: impose responsibility fault negligence which cited such claim litigation SANYO ELECTRIC CO., LTD., affiliates, subsidiaries distributors their officers employees jointly severally. Information (including circuit diagrams circuit parameters) herein example only; guaranteed volume production. SANYO believes information herein accurate reliable, guarantees made implied regarding infringements intellectual property rights other rights third parties. This catalog provides information March, 1998. Specifications information herein subject change without notice. 5782-11/11

LC4608C Printer Head Driver Overview LC4608C driver ink

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