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IZ7065
40 Channel Segment / Common Driver For Dot Matrix LCD
The IZ7065 is a LCD driver LSI which is fabricated by low power CMOS technology. Basically
this LSI consists of 20 2 bit bi-directional shift register, 20 2 bit data latch and 20 2 bit driver.
This LSI can be used a common or segment driver.
IZ7065 contain following blocks:
- 2xLCD driver
- 2x20 bit date register
- 2x20 bit shift register
- sampling block
- control logic
FEATURES
- Dot matrix LCD driver with 40-channel output.
Selectable function to use common/segment drivers simultaneously.
Input / Output signal
- output: 20 2 channel waveform for LCD driving
- input: - Serial display data and control pulse from the controller LSI.
Power supply voltage: +5V 10%, +3V 10%
Supply voltage for display: 3.0 ~ 13.0V(VEE)
Operating temperature range: TA = – 30 ... + 85 C
MAIN ELECTRICAL FEATURES
Parameter/ Unit of measurement
High level input leakage current on pins
M, FCS, uA
Low level input leakage current on pins M,
FCS, uA
High level output voltage on pins DL1,
DL2, DR1, DR2, V
Low level output voltage on pins DL1,
DL2, DR1, DR2, V
Voltage descending between inputs V1- V6
& outputs SC1-SC40, V
High level input leakage current on pins
V1- V6, uA
Low level input leakage current on pins
V1- V6, uA
Current consumption, mA
Current consumption in VEE circuit, uA
Data Shift Frequency, kHz
Symbol
IIH
IIL
VOH
VOL
VD1
VD2
IVH
IVL
IDD
IEE
fCL
Mode
VDD=5.5V, VIH=5.5V
VDD=5.5V, VIL=0V
IOH=-0.4mA
IOL=0.4mA
ION=0.1mA on one pin of
SC1-SC40
ION =0.05mA on every
pin pin of SC1-SC40
VIH=5.5V, VDD=5.5V,
VEE = -7.5V
VIL=-7.5V, VDD=5.5V,
VEE=-7.5V
fCL2 =400kHz,
VLCD= VDD-VEE =4V
fCL1 = 1 kHz,
VLCD= VDD - VEE = 4V
-
Value
min max
5.0
-5
VDD - 0.4
0.4
1.1
1.5
10
-10
1
10
400
1