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NT7704

Features: (Segment mode)`Shift Clock frequency: 20 MHz (Max.) (VDD = 5 V ± 10%) 12 MHz (Max.) (VDD = 2.5V - 4.5V)` Adopts a data bus system`4-bit/8-bit parallel input modes are selectable with a mode (MD) pin` Automatic transfer function with an enable signal` Automatic counting function when in ...

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SeekIC No. : 004435836 Detail

NT7704: Features: (Segment mode)`Shift Clock frequency: 20 MHz (Max.) (VDD = 5 V ± 10%) 12 MHz (Max.) (VDD = 2.5V - 4.5V)` Adopts a data bus system`4-bit/8-bit parallel input modes are selectable with a mod...

NT7704 Data Sheet

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Part Number:
NT7704
Supply Ability:
5000

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

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Product Details

Description



Features:

(Segment mode)
`Shift Clock frequency:
     20 MHz (Max.) (VDD = 5 V ± 10%)
     12 MHz (Max.) (VDD = 2.5V - 4.5V)
` Adopts a data bus system
`4-bit/8-bit parallel input modes are selectable with a mode (MD) pin
` Automatic transfer function with an enable signal
` Automatic counting function when in "chip select" mode,
    which causes the internal clock to be stopped by
    automatically counting 240 bits of input data
(Common mode)
` Shift clock frequency : 4.0 MHz (Max.)
` Built-in 240-bits bidirectional shift register (divisible into 120-bits x 2)
`Available in a single mode (240-bits shift register) or in a dual mode(120-bits shift register x 2)
   1. Y1 Y240 Single mode
   2. Y240 Y1 Single mode
   3. Y1 Y120, Y121 Y240 Dual mode
   4. Y240 Y121, Y120 Y1 Dual mode
     The above 4 shift directions are pin-selectable
(Both for segment mode and common mode)
` Supply voltage for LCD driver: 15.0 to 30.0 V
`Number of LCD driver outputs: 240
`Low output impedance
`Low power consumption
`Supply voltage for the logic system: +2.5 to +5.5 V
`COMS process
`Package: Gold bump die / 272 Pin TCP(Tape Carrier Package)
`Not designed or rated as radiation hardened


Pinout

Connection Diagram


Specifications

DC Supply Voltage VDD . . . . . . . . . . . . . -0.3V to +7.0V
DC Supply Voltage V0 . . . . . . . . . . . . . . -0.3V to +30V
Input Voltage . . . . . . . . . . . . . . . . . -0.3V to VDD +0.3V
Operating Ambient Temperature . . .  -30°C to +85°C
Storage Temperature . . . . . . . . . . . .-45°C to +125°C

Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to this device. These are stress ratings only. Functional operation of this device under these or any other conditions above those indicated in the operational sections of this specification is not implied or intended. Exposure to the absolute maximum rating conditions for extended periods may affect device reliability.




Description

The NT7704 is a 240-bit output segment/common driver LSI suitable for driving large scale dot matrix LCD panels used by PDA's, personal computers and work stations for example. Through the use of COG technology, it is ideal for substantially decreasing the size of the frame section of the LCD module. It is good as both a segment driver and as a common driver, and a low power consuming, highprecision LCD panel display can be assembled using the NT7704. In the segment mode, the data input is selected as 4bit parallel input mode or as 8bit parallel input mode by a mode (MD) pin. In the common mode, the data input/output pins are bi-directional and the four data shift directions are pin-selectable.




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