Bt457, Bt451 Datasheet - Brooktree

Bt457, Bt451, Monolithic CMOS 256-Color Palette RAMDAC

Bt451 Bt457 125 MHz/135 MHz/165 MHz Monolithic CMOS 256 Color Palette RAMDAC Bt458 The Bt457 and Bt458 are pin and software-compatible RAMDACs desi.
Pin Descriptions The Bt4978 is available in both 84-pin Plastic Leaded Chip Carrier (PLCC) and Ceramic PGA packages, as illustrated in Figure 1 and 2.

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Bt451-Brooktree.pdf

Bt457 Datasheet Preview — This datasheet PDF includes multiple part numbers: Bt457, Bt451. Please refer to the document for exact specifications by model.

Datasheet Details

Part number:

Bt457, Bt451

Manufacturer:

Brooktree

File Size:

639.59 KB

Description:

Monolithic CMOS 256-Color Palette RAMDAC

Note:

This datasheet PDF includes multiple part numbers: Bt457, Bt451.
Please refer to the document for exact specifications by model.

Features

* include programmable blink rates, bit plane masking and blinking, color overlay capability, and a dual-port color palette RAM. Functional Block Diagram CLOCK
* CLOCK VAA GND FSADJUST VREF Distinguishing Features
* 165, 135, 125, 110, 80 MHz operation
* 4:1 or 5:1 input mux

Applications

* High-resolution color graphics
* CAE/CAD/CAM
* Image processing
* Video reconstruction LD
* P[7:0] 40 (A-E) OL[1,0] 10 (A-E) SYNC
* BLANK
* CLOCK Load Control 40 40 Latch Latch 10 10 MUX Control Blink Control 8 8 MUX Read Blink Mask Mask 2 2

Bt457 Distributors

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Bt451 Monolithic CMOS 256-Color Palette RAMDAC Brooktree

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