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24-Bit Ultra-Low Power Serializer Deserializer Supporting Single and Dual Displays (*Recommended for new designs)
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General Description
The FIN324C is a 24-bit serializer / deserializer with dual strobe inputs.
The device can be configured as a master or slave device through the
master/slave select pin (M/S). This allows for the same device to be used as
either a serializer or deserializer, minimizing component types in the system.
The dual strobe inputs allow implementation of dual-display systems with a
single pair of µSerDes. The FIN324C can accommodate RGB, microcontroller, or SPI
mode interfaces. Read and write transactions are supported when operating with a
microcontroller interface for one or both displays. Unlike other SerDes
solutions, no external timing reference is required for operation.
The FIN324C is designed for ultra-low power operation. Reset (/RES) and
standby (/STBY) signals put the device in an ultra-low power state. In standby
mode, the outputs of the slave device maintain state, allowing the system to
resume operation from the last-known state.
The device utilizes Fairchild’s proprietary ultra-low power, low-EMI Current
Transfer Logic™ (CTL) technology. The serial interface disables between
transactions to minimize EMI at the serial interface and to conserve power. CMOS
parallel output buffers have been implemented with slew rate control to adjust
for capacitive loading and to minimize EMI.
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Features
- Ultra-Low Operating Power: ~4mA at 5.44MHz
- Supports Dual-Display Implementations with RGB or Microcontroller
Interface
- No External Timing Reference Needed
- SPI Mode Support
- Single Device Operates as a Serializer or Deserializer
- Direct Support for Motorola®-Style R/W Microcontroller Interface
- Direct Support for Intel®-Style /WE, /RE Microcontroller Interface
- 15MHz Maximum Strobe Frequency
- Utilizes Fairchild’s Proprietary CTL Serial I/O Technology
- Available in BGA and MLP packages
- Wide Parallel Supply Voltage Range: 1.60 to 3.0V
- Low Power Core Operation: VDDS/A=2.5 to 3.0V
- Voltage Translation Capability Across Pair with No External Components
- High ESD protection: >15kV IEC 61000
- Power-Saving Burst-Mode Operation
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Applications
- Single or Dual 16/18-Bit RGB Cell Phone Displays
- Single or Dual 16/18-Bit Cell Phone Displays with Microcontroller
Interface
- Single or Dual Mobile Display at QVGA or HVGA Resolution
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