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EM Microelectronic
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V6123 Datasheet Preview

V6123 Datasheet

Mux LCD Driver

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V6123 pdf
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R EM MICROELECTRONIC - MARIN SA
V6123
Digitally Programmable 2,4 and 8 multiplex LCD Driver
Description
The V6123 is low multiplex LCD driver. The 2, 4 and 8
way multiplex is digitally programmable by the command
byte. The display refresh is handled on chip by an internal
RC oscillator via 1 selectable 8 x 60 RAM which holds the
LCD content driven by the driver. LCD pixels (or
segments) are addressed on a one to one basis with the 8
x 60 bit RAM (a set bit corresponds to an activated LCD
pixel).
The V6123 has very low dynamic current consumption,
typically 175 µA at VDD = 5V, VLCD = 7V making it
particularly attractive for portable and battery powered
products. The wide operating range on supply voltages
and temperature offers much application flexibility. The
LCD bias generation and frame frequency are generated
on chip. The clock signal can be used to shift and to latch
the datas into the RAM.
Applications
Automotive displays
Telephones
Pagers
Portable, battery operated products
Large displays (public information panels etc.)
Balances and scales
Utility meters
Typical Operating Conditions
Features
Very simple 1-bit interface (see Fig.1)
V6123 mux mode 2 with 2 rows and 58 columns
V6123 mux mode 4 with 4 rows and 56 columns
V6123 mux mode 8 with 8 rows and 52 columns
Very simple1-bit interface, reduced to its simplest form
Frame frequency on chip by internal RC oscillator
Voltage bias and mux signal generation on chip
1 display RAM addressable as 8 X 60 bit words
Column driver only mode to have 60 column outputs
No busy states
No external components needed
Blank function for LCD blanking
Bit mapped
Wide VDD voltage supply range, 2 to 6V
Wide VLCD voltage supply range, 2 to 8.5V
-40°C to +85°C temperature range
Pad Assignment
Fig. 1
Copyright © 2004, EM Microelectronic-Marin SA
1
Fig. 2
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EM Microelectronic
EM Microelectronic

V6123 Datasheet Preview

V6123 Datasheet

Mux LCD Driver

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V6123 pdf
R
V6123
Absolute Maximum Ratings
Parameter
Symbol
Supply voltage range
LCD supply voltage range
Voltage at DI, DO, CLK,
FR
VDD
VLCD
VLOGIC
Voltage at V1 to V3, S1 to
S60
VDISP
Storage temperature
range
TSTO
PElectrostatic discharge
max. to MIL-STD-883C
method 3015.7 with ref. to
VSS
Maximum soldering
conditions
VSmax
TSmax
Conditions
-0.3V to 9V
-0.3V to 10V
-0.3V to VDD + 0.3V
-0.3V to VLC +0.3V
-65 to +150°C
1000V
250°C x 10s
Table 1
Handling Procedures
This device has built-in protection against high static
voltages or electric fields; however, anti-static precautions
must be taken as for any other CMOS component. Unless
otherwise specified, proper operation can only occur when
all terminal voltages are kept within the voltage range.
Unused inputs must always be tied to a defined logic
voltage level.
Operating Conditions
Parameter
Symbol Min Typ Max Unit
Operating Temperature TA
-40
+85 °C
Logic supply voltage
VDD 2 5 6 V
LCD supply voltage
VLCD
2
5 8.5 V
Table 2
Stresses above these listed maximum ratings may cause
permanent damages to the device. Exposure beyond
specified operating conditions may affect device reliability
or cause malfunction.
Electrical Characteristics
VDD = 5V ±10%, VLCD = 2 to 8.5V and TA = -40 to +85°C, unless otherwise specified
Parameter
Symbol Test Conditions
Min Typ Max Unit
Dynamic supply current
Dynamic supply current
Dynamic supply current
Dynamic supply current
ILCD See note 1
IDD See note 1 at TA = 25°C
IDD See note 1
IDD See note 2
175 250 µA
29 35 µA
29 50 µA
285 350 µA
Control Signals DI, CLK, FR
Input leakage
Input capacitance
Low level input voltage
High level input voltage
IIN 0 < VIN < VDD
CIN at TA = 25°C
VIL
VIH
1 100 nA
8 pF
0 0.8 V
2.0
VDD
V
Data Output DO
High level output voltage
Low level output voltage
VOH IH = 2mA
VOL IL = 2mA
2.4 V
0.4 V
Driver Outputs S1 … S60
Driver impedance (note 4)
ROUT IOUT = 10µA, VLCD = 7V
1 1.5 k
Driver impedance (note 4)
ROUT IOUT = 10µA, VLCD = 3V
2.6 3.5 k
Driver impedance (note 4)
ROUT IOUT = 10µA, VLCD = 2V
7 k
Bias impedance V1, V2, V3 (note 5) RBIAS IOUT = 10µA, VLCD = 7V
18 24 k
Bias impedance V1, V2, V3 (note 5) RBIAS IOUT = 10µA, VLCD = 3V
20 27 k
Bias impedance V1, V2, V3 (note 5) RBIAS IOUT = 10µA, VLCD = 2V
24 k
DC output component
±VDC see Table 4a and 4b,
15 50 mV
VLCD =5V
Table 3
Note 1:
Note 2:
Note 3:
Note 4:
Note 5:
All outputs open, DI and CLK at VSS, FR = 400Hz, all other inputs at VDD
All outputs open, DI at VSS, FR = 400Hz, fCLK = 1MHz
All outputs open, all inputs at VDD
This is the impedance between of the voltage bias level pins (V1, V2, or V3) and the output pins S1 to S60 when
a given voltage bias level is driving the outputs (S1 to S60)
This is the impedance seen at the segment pin. Outputs measured one at a time
Copyright © 2004, EM Microelectronic-Marin SA
2
www.emmicroelectronic.com


Part Number V6123
Description Mux LCD Driver
Maker EM Microelectronic
Total Page 19 Pages
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