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UC1682 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 UC1682
기능 HIGH-VOLTAGE MIXED-SIGNAL IC
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UC1682 데이터시트, 핀배열, 회로
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HIGH-VOLTAGE MIXED-SIGNAL IC
80 x 104RGB C-STN LCD Controller-Driver
w/ 32-shade per dot, 12-bit per RGB (Dither 221K)
ES Specifications
Revision 0.6
August 11, 2003
ULTRACHIP
The Coolest LCD Driver. Ever!!




UC1682 pdf, 반도체, 판매, 대치품
ULTRACHIP
High-Voltage Mixed-Signal IC
ORDERING INFORMATION
Part Number
UC1682xHCZ
UC1682tHCZ
UC1682xFBZ
UC1682tFBZ
Versions
Gold Bumped Die with PI
Gold Bumped Die with PI
COF
COF
Description
Without OTP option
With OTP option
Without OTP option
with OTP option
Convention note:
Grayed-out contents are functions not available yet.
© 1999 ~ 2003
2 ES Specifications

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UC1682 전자부품, 판매, 대치품
UC1682
80x104RGB CSTN Controller-Driver
PIN DESCRIPTION
Name Type
VDD
VDD2
VDD3
PWR
VSS
VSS2
GND
VBIAS
I
Pins
Description
MAIN POWER SUPPLY
VDD2/VDD3 is the analog power supply and it should be connected to the
same power source. VDD is the digital power supply and it should be
connected to a voltage source that is no higher than VDD2/VDD3.
Please maintain the following relationship:
VDD+1V VDD2/3 VDD.
"Minimize the trace resistance for VDD and VDD2/VDD3.
Ground. Connect VSS and VSS2 to the shared GND pin.
Minimize the trace resistance for this node.
LCD POWER SUPPLY & VOLTAGE CONTROL
This is the reference voltage to generate the actual SEG driving voltage.
VBIAS can be used to fine tune VLCD by external variable resistors.
Internal resistor network has been provided to simplify external trimming
circuit. The following network is sufficient for most applications.
VBIAS
330K
1M/VR
VDD2/ VDD3
VB1+ VB1–
VB0+ VB0–
PWR
SB1+ SB1–
SB0+ SB0–
VLCD-IN
VLCD-OUT
I
PWR
An internal RC filter is provided to filter noise on the VBIAS pin. When not
used, it is OK to leave VBIAS open circuit. If noise starts to cause
problem, connect a small bypass capacitor between VBIAS and VSS.
In the OTP version, this pin is disconnected from internal circuit. So,
there is no need to add bypass capacitor for this pin for OTP version.
LCD Bias Voltages. These are the voltage sources to provide SEG
driving currents. These voltages are generated internally. Connect
capacitors of CBX value between VBX+ and VBX–.
The resistance of these traces directly affects the driving strength of
SEG electrodes and impacts the image of the LCD module. Minimize
the trace resistance is critical in achieving high quality image.
Wire to corresponding VB1/2x pin. Merge ITO traces between
corresponding SBx and VBx in COG.
High voltage LCD Power Supply. Connect these pins together.
By-pass capacitor CL is optional. It can be connected between VLCD and
VSS. When CL is used, keep the trace resistance under 300 .
NOTE
Recommended capacitor values:
CB: 150~250x LCD load capacitance or 2.2µF (2V), whichever is higher.
CL: (Optional) 5nF~50nF (16V) is appropriate for most applications.
Revision 0.6
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