SEGMENT STATIC DRIVER KS0035 general purpose driving designed ava
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KS0035
SEGMENT STATIC DRIVER
KS0035 general purpose driving designed available electronic frequency tuning display applications microcomputer application systems.
FEATURES
Maximum segment output static display. Drive system duty segments duty segments. input pins serial data transfer pins level converter ALI) display pins direct displaying DSP1 DSP2 blinking display.
BLOCK DIAGRAM
DSP2 DSP1 ARLO1 ARLO5 SHIFT REGISTER BITS FUNCTION DECODER (ALI
COM1 COM2
VLCD COMMON DRIVER CLOCK GENERATOR
LATCH SEGMENT DRIVER BITS LATCH SEGMENT DRIVER BITS
KS0035
SEGMENT STATIC DRIVER
DIAGRAM
KS0035
(0,0)
CHIP SIZE SIZE UNIT PITCH
COM2 COM1
There mark KS0035 center chip.
KS0035
SEGMENT STATIC DRIVER
LOCATION
UNIT(µm)
NUMBER NAME /INH VLCD COM2 COM1 COORDINATE -960 -835 -710 -585 -460 -335 -140 -1265 -1265 -1265 -1265 -1265 -1265 -1265 -1265 -1265 -1265 -1265 -1265 -1265 -1265 -1265 -1265 -970 -845 -720 -595 -470 -345 -220 NUMBER NAME COORDINATE -115 -240 -365 -490 -615 -740 -865 -965 -965 -965 -965 -965 -965 -965 -965 -965 -965 -965 -965 -965 -965 -965 -965 1265 1265 1265 1265 1265 1265 1265 1265 1265 1265 1265 1265 1265 1265 1265 -185 -310 -435 -560 -685 -810 -935
KS0035
SEGMENT STATIC DRIVER
DESCRIPTION
VLCD COM1, COM2 S1~S43 S46(DSP1) S44(DSP2) S47(ARI) S45(ALI) (DSPOUT) S49~S53 (ARLO1~5) Input Input Input Output Output Output Output Input Output Input Output INPUT/OUTPUT Power Driver Supply Voltage Common output Segment output Segment output input Segment output Analog input Segment output output Segment output Analog output Oscillator Chip Enable Data Shift Clock NAME Operating Voltage DESCRIPTION logic circuit (2.7V~6.5V) (GND) Power supply driving 1/1duty: Only COM1 used, COM2 open 1/2duty: Both COM1 COM2 used. Segment output driving Segment output driving (Display input pins) Segment output driving (Analog input pins) Segment output driving (DSP output pins) Segment output driving (Analog output pins) Input clock generator High Chip Enable status Clock pulse input 1bit serial shift register. data shifted shift register rising edge clock. Input Input Data Input Display blinking Display data input Display blinking input (INH LOW) Controller Controller Controller Resistor, Capacitor Controller Display input Analog input INTERFACE Power Supply
MAXIMUM ABSOLUTE LIMIT(Ta=25 VSS=0V)
Characteristic Maximum Supply Voltage Input Voltage Symbol VDDmax VLCD VIN1 VIN2 Value -0.3 +7.0 -0.3 VDD+0.3 -0.3 VDD+0.3 -0.3 VDD+0.3 Applicable VLCD Output off(Used ARI, DSP1, DSP2) VIN3 Output Voltage Output Current Allowable Power Dissipation Operating Temperature Storage Temperature PDmax TOPR TSTG -0.3 VDD+0.3 -0.3 VDD+0.3 +125 OSC, output OSC, output COM1, COM2 Ta=85
Unit
KS0035
SEGMENT STATIC DRIVER
ELECTRICAL CHARACTERISTICS Characteristics
Characteristics Operating Voltage Driver Supply Voltage Input Input Voltage Input Voltage Input Voltage Input Current Input Current Input Current Input Current Output Voltage Output Voltage Output Voltage Output Voltage Medium Voltage (VDD=2.7V 6,5V, VSS=0V, VLCD=2.7V VDD, Symbol VLCD VIH1 VIL1 VIH2 VIL2 IIH1 IIL1 IIH2 IIL2 VOH1 VOL1 VOH2 VOL2 First Step Lighting Voltage Second Step Lighting Voltage Third Step Lighting Voltage Fourth Step Lighting Voltage Fifth Step Lighting Voltage Step Voltage Difference Oscillation Frequency Operating Current VSTEP fOSC IDD1 IDD2 Driving Current ILCD1 ILCD2 S44, Output off(Used input DSP1, DSP2) INH(VI=VDD) INH(VI=0V) S44, S45, S46, S47(VI=VDD) S44, S45, S46, S47(VI=0V) S53(VLCD=3V, IO=-10µA) S53(VLCD=3V, IO=+10 COM1, COM2(VLCD=3V, IO=-100 COM1, COM2(VLCD=3V, +100 COM1, COM2(VLCD=6.5V, IO=+100 COM1, COM2(VLCD=3.0V, IO=+100 S45, S45, S45, S45, S45, S45, refer Fig. OSC(R=51K C=680pF) VDD=3V VDD=6.5V VLCD=3V VLCD=6.5V fCK=2MHz R=51K C=680pF Test Conditions 0.8VDD 0.8VDD VLCD-0.5 VLCD-0.6 2.65 0.07VDD 0.17VDD 0.27VDD 0.37VDD 0.47VDD 0.09VDD 3.25 0.1VDD 0.2VDD 0.3VDD 0.4VDD 0.5VDD 0.1VDD 0.2VDD 0.2VDD 10.0 10.0 3.85 0.13VDD 0.23VDD 0.33VDD 0.43VDD 0.53VDD 0.11VDD Unit
KS0035
SEGMENT STATIC DRIVER
CHARACTERISTICS (VSS=0V, VDD=2.7V~ 6.5V, VLCD=2.7V VDD,
Characteristic Clock Pulse Width Data Set-up Time Data Hold Time duty CE-DI Time duty duty CE-CK Time Disable Time duty duty Symbol tWCKH tWCKL Test Conditions VDD=5.0V VDD=5.0V VDD=5.0V VDD=5.0V VDD=5.0V, rising VDD=5.0V, rising VDD=5.0V, falling VDD=5.0V, rising VDD=5.0V, rising VDD=5.0V, rising VDD=5.0V, falling 1.25 0.25 0.25 0.25 0.25 Unit
TIMING CHARACTERISTICS
duty(56 bits)
tWCKH WCKL
duty(112 bits)
WCKH
Fig. Characteristics
KS0035
SEGMENT STATIC DRIVER
OUTPUT WAVEFORM
1duty fOSC VLCD COM1 unlighting time lighting time VLCD
duty COM1 VLCD COM2 fOSC (Hz)
output segment when COM1 side lighted.
VLCD VLCD VLCD VLCD
output segment when COM2 side lighted.
output segment when COM1 COM2 sides lighted.
output segment when COM1 COM2 sides unlighted.
KS0035
SEGMENT STATIC DRIVER
BLOCK FUNCTION
CLOCK GENERATOR oscillator operated connecting external resistor capacitor. clock oscillator block used signal common segment driver. FUNCTION DECODER Function decoder generates, using chip enable data clock from controller, signal which controls function mode chip. example function drive mode, latch clock select forth.
Data transfer bits
Drive mode select duty function select Segment output Latch clock select latch1 clock
NOTE function selected use, ARI, ALI, DSP1, DSP2 pins connected order protect floating.
KS0035
SEGMENT STATIC DRIVER
SHIFT REGISTER
Shift register consists data bits display bits function mode select. Data transfer mode duty Data transfer bits
duty Data transfer bits
D102 D102
D103
D104
D105
D106
D53, D106 Dummy care don't care
Display data duty lighted D106 Display data duty) Unlighted NOTE functions selected duty Dummy duty D106 Dummy example data transfer
Duty
.Under segments duty
.Over segments duty D105 D106
.Under segments duty Data transferred below figure. D105 D106
KS0035
SEGMENT STATIC DRIVER
ANALOG DIGITAL CONVERTER
0.5VDD 0.4VDD 0.3VDD 0.2VDD 0.1VDD
VSTEP VSTEP VSTEP VSTEP VSTEP
consists analog inputs ADCs level meter, converts analog input level digital data order drive level meter.
Fig. Step voltage difference input voltage S47(
COMMON DRIVER
Duty VLCD COM1 duty fOSC 512(Hz)
VLCD 1/2VLCD COM1 VLCD COM2 1/2VLCD
LATCH SEGMENT DRIVER
Latch signal, latch clock latches duty mode duty mode. latch clock latches D105 duty mode D106 mean dummy bits care duty mode function selected, input pins, output pins.
KS0035
SEGMENT STATIC DRIVER
CORRESPONDENCE BETWEEN TRANSFER EXTERNAL INPUT DATA OUTPUT
NOTE case 1duty, only COM1 used.
OUTPUT
duty
duty
COM1
COM2
*DSP1 *ARI *DSPO1 *ARO1 *ARO2 *ARO3 *ARO4 *ARO5
D100 D101 D102 D103 D104 D105 ALWAYS LIGHTING ALWAYS LIGHTING
*DSP2 *ALI *DSP1 *ARI *DSPO1 *DSPO2 *ARO1 *ALO1 *ARO2 *ALO2 *ARO3 *ALO3 *ARO4 *ALO4 *ARO5 *ALO5
*NOTE
DSP1, DSP2 External display input data DSPO1, DSPO2 External display output data converter input data ARO1 ALO1 converter output data.
KS0035
SEGMENT STATIC DRIVER
APPLICATION CIRCUIT
Application circuit
680pF
KS0035
From controller
Application circuit
680pF
KS0035
From controller
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