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MSM6794

Features: • Segment outputs : Maximum of 128• Common outputs : Maximum of 48• Display duty : 1/33, 1/41, 1/44, 1/48• Bit map type internal RAM : 6,144 bits (128´48 bits)• Display data I/F : 8-bit parallel/serial switchable• Standby function by program̶...

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SeekIC No. : 004429064 Detail

MSM6794: Features: • Segment outputs : Maximum of 128• Common outputs : Maximum of 48• Display duty : 1/33, 1/41, 1/44, 1/48• Bit map type internal RAM : 6,144 bits (128´48 bits...

MSM6794 Data Sheet

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Part Number:
MSM6794
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/26

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Product Details

Description



Features:

• Segment outputs : Maximum of 128
• Common outputs : Maximum of 48
• Display duty : 1/33, 1/41, 1/44, 1/48
• Bit map type internal RAM : 6,144 bits (128´48 bits)
• Display data I/F : 8-bit parallel/serial switchable
• Standby function by program
• LCD drive bias resistor (externally connected)
• Built-in voltage multiplier circuit
• LOGIC voltage : 2.7 to 5.5V
• LCD driving voltage : VBI 5 to 12V (positive voltage)
• Low current consumption : Maximum of 10mA (in standby mode)
• Number of pads : 224


Specifications

Rating
Symbol
Condition
Rating
Unit
Applicable Pins
Supply Voltage
VDD
Ta=25°C, VDD1-4VSS1-3
0.3 to +7
V
VDD1-4, VSS1-3
Bias voltage
VBI
Ta=25°C,V1V6
0.3 to +14
V
V1, V6
Voltage multiplication
reference voltage
VIN
VINVSS1-3 *2
0.3 to +7
V
VIN, VSS1-3
VINVSS1-3 *3
0.3 to +4.6
Input voltage
VI
Ta=25°C
0.3 to VDD+0.3
V
All Inputs
Power dissipation
PD
-
*1
mW
-
Storage Temperature
TSTG
-
55 to +150
°C
-
Ta : ambient temperature
*1 Power dissipation depends on the heat radiation in a device attach condition. Set junction temperature to 150°C or lower.
*2 Ta = 25°C; when doubler is used.
*3 Ta = 25°C; when tripler is used.


Description

The MSM6794 is a dot matrix graphic liquid crystal display LSI device to display bit maps.It drives an LCD panel for dot matrix graphic display under the control of a 4- or 8-bit microcomputer.

All necessary functions for driving a bit map type LCD are built in on one chip. Therefore,by using the MSM6794, a bit map type dot matrix graphic liquid crystal display system can be implemented with a small number of chips.

Since 1-bit data of the display RAM of MSM6794 corresponds to the light-on/off of 1-dot of the LCD panel (bit map system), a flexible display, including kanji display, is possible. One chip comprises a graphic display system of a maximum of 128´48 dots. This display can be expanded by using multiple chips.

The MSM6794 uses CMOS process. Since it is an internal RAM type, the MSM 6794 features low power consumption, and is suited to display for battery-driven portable equipment.




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