EL4544_0712 Datasheet, PDF(6/26 Page) Intersil Corporation – Triple 16x5 Differential Crosspoint Switch Capable of Operation in Single-Ended or Differential Input Modes

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EL4544_0712 Datasheet, PDF (6/26 Pages) Intersil Corporation – Triple 16x5 Differential Crosspoint Switch Capable of Operation in Single-Ended or Differential Input Modes

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Pin Descriptions (Continued)

PIN NAME

SOLDER BALL

Chip

EL4544

DESCRIPTION

Analog minus supply

Analog plus supply

Chip enable (active low): when "HI" disables all analog except

references; all analog or digital video outputs are in a high

impedance state; all registers hold their data but remain

programmable since the serial interface is left active

EQUIVALENT CIRCUIT

VDP

Vdp

Reset

sEn

sClk

sDo

sDi

Multiple Balls

CIRCUIT 4

Digital logic power supply: nominally at 3V

Reset (active low): clears all registers in interface and calibration Reference Circuit 4

sections; this causes the chip to standby with all outputs in a high

impedance state

Serial bus enable (active low): enables the serial bus when "LO"; Reference Circuit 4

latches the current value when transitioning to "HI"

Analog plus supply

Analog minus supply

Serial bus clock

Reference Circuit 4

Serial bus data output

Reference Circuit 4

Serial bus data input

VDP

RefA

VmA

Output stage reference level (input) A

RGB video output stages' minus supply A

Blue output A

CIRCUIT 5

Reference Circuit 6

35kÎ©

CIRCUIT 7

CIRCUIT 2

FN7362.4

December 21, 2007

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