Bt457 Datasheet - Brooktree

Monolithic CMOS 256-Color Palette RAMDAC

Bt457 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

Bt457 General Description

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. Pin descriptions are provided in Table 1. Pin labels for the PGA package are given in Table 2. Figure 1. Bt457/8 84-Pin J-Lead Package 74 P2B 73 P2.

Bt457 Datasheet (639.59 KB)

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Bt457

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Brooktree

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639.59 KB

Description:

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.

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Bt457 Monolithic CMOS 256-Color Palette RAMDAC Brooktree

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Bt457 Features

Bt457 General Description

Datasheet Details

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