SN75LVDS82 - FlatLink(TM) 接收器

SN75LVDS82是TI德州仪器公司的一款FlatLink/FPD-Link（用于LCD的LVDS）产品，SN75LVDS82是FlatLink(TM) 接收器，本站介绍了SN75LVDS82的封装应用图解、特点和优点、功能等，并给出了与SN75LVDS82相关的TI元器件型号供参考。

SN75LVDS82 - FlatLink(TM) 接收器 - FlatLink/FPD-Link（用于LCD的LVDS） - 显示和成像串行器/解串器 - 德州仪器

产品描述

The SN75LVDS82 FlatLink™ receiver contains four serial-in, 7-bit parallel-out shift registers, a 7× clock synthesizer, and five low-voltage differential signaling (LVDS) line receivers in a single integrated circuit.

These functions allow receipt of synchronous data from a compatible transmitter, such as the SN75LVDS81, over five balanced-pair conductors, and expansion to 28 bits of single-ended low-voltage TTL (LVTTL) synchronous data at a lower transfer rate. The SN75LVDS82 can also be used with the SN75LVDS84 or SN75LVDS85 for 21-bit transfers.

When receiving, the high-speed LVDS data is received and loaded into registers at the rate of seven times (7×) the LVDS input clock (CLKIN). The data is then unloaded to a 28-bit-wide LVTTL parallel bus at the CLKIN rate. A phase-locked loop (PLL) clock synthesizer circuit generates a 7× clock for internal clocking and an output clock for the expanded data. The SN75LVDS82 presents valid data on the falling edge of the output clock (CLKOUT).

The SN75LVDS82 requires only five line-termination resistors for the differential inputs and little or no control. The data bus appears the same at the input to the transmitter and output of the receiver with the data transmission transparent to the user. The only possible user intervention is the use of the shutdown/clear (SHTDN) active-low input to inhibit the clock and shut off the LVDS receivers for lower power consumption. A low-level on SHTDN clears all internal registers to a low level and places the CMOS outputs in a high-impedance state.

The SN75LVDS82 is characterized for operation over ambient air temperatures of 0°C to 70°C.

产品特性

4:28 Data Channel Expansion at up to 238Mbytes/sThroughput
Suited for SVGA, XGA, or SXGA Display Data Transmission From Controller to Display With Very Low EMI
Four Data Channels and Clock Low-Voltage Differential Channels In and 28 Data and Clock Low-Voltage TTL Channels Out
Operates From a Single 3.3-V Supply With 250 mW (Typ)
5-V Tolerant SHTDN Input
Falling Clock-Edge-Triggered Outputs
Packaged in Thin Shrink Small-Outline Package (TSSOP) With 20-Mil Terminal Pitch
Consumes Less Than 1 mW When Disabled
Wide Phase-Lock Input Frequency Range . . . 31 MHz to 68 MHz
No External Components Required for PLL
Inputs Meet or Exceed the Requirements of ANSI EIA/TIA-644 Standard
Improved Replacement for the National™DS90C582

FlatLink is a trademark of Texas Instruments. All other trademarks are the property of their respective owners

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